Remove unused binder in setImeWindowStatus calls

This removes an unused binder parameter from setImeWindowStatus calls,
which currently only pass it around through SystemUI, but doesn't
actually use the value.

The binder was previously added in [1] to allow switching to a different
IME from the SystemUI process, but switching doesn't require this binder
token anymore.

This also removes the binder from updateInputMethodTargetWindow. This
was added in [2] to match the token passing from [1], but this method
doesn't use the binder value either.

  [1]: I48ba5e2509b3aa1bfd2394f9201427fa6b93c6d3
  [2]: I54fb1faf513883a54293a756e4c9d2ae9453d778

Flag: EXEMPT refactor
Bug: 354667905
Test: atest NavigationBarTest CommandQueueTest RegisterStatusBarResultTest
Change-Id: I4c479f49f6bf28f4b5e6594226212cf3055ef541
diff --git a/core/java/com/android/internal/statusbar/IStatusBar.aidl b/core/java/com/android/internal/statusbar/IStatusBar.aidl
index e29f256..1d43f6f 100644
--- a/core/java/com/android/internal/statusbar/IStatusBar.aidl
+++ b/core/java/com/android/internal/statusbar/IStatusBar.aidl
@@ -51,8 +51,7 @@
 
     void showWirelessChargingAnimation(int batteryLevel);
 
-    void setImeWindowStatus(int displayId, in IBinder token, int vis, int backDisposition,
-            boolean showImeSwitcher);
+    void setImeWindowStatus(int displayId, int vis, int backDisposition, boolean showImeSwitcher);
     void setWindowState(int display, int window, int state);
 
     void showRecentApps(boolean triggeredFromAltTab);
diff --git a/core/java/com/android/internal/statusbar/IStatusBarService.aidl b/core/java/com/android/internal/statusbar/IStatusBarService.aidl
index fc60f06..ff08dd2 100644
--- a/core/java/com/android/internal/statusbar/IStatusBarService.aidl
+++ b/core/java/com/android/internal/statusbar/IStatusBarService.aidl
@@ -61,8 +61,7 @@
     void setIconVisibility(String slot, boolean visible);
     @UnsupportedAppUsage
     void removeIcon(String slot);
-    void setImeWindowStatus(int displayId, in IBinder token, int vis, int backDisposition,
-            boolean showImeSwitcher);
+    void setImeWindowStatus(int displayId, int vis, int backDisposition, boolean showImeSwitcher);
     void expandSettingsPanel(String subPanel);
 
     // ---- Methods below are for use by the status bar policy services ----
diff --git a/core/java/com/android/internal/statusbar/RegisterStatusBarResult.java b/core/java/com/android/internal/statusbar/RegisterStatusBarResult.java
index 4f827cd..7240aff 100644
--- a/core/java/com/android/internal/statusbar/RegisterStatusBarResult.java
+++ b/core/java/com/android/internal/statusbar/RegisterStatusBarResult.java
@@ -16,7 +16,6 @@
 
 package com.android.internal.statusbar;
 
-import android.os.IBinder;
 import android.os.Parcel;
 import android.os.Parcelable;
 import android.util.ArrayMap;
@@ -35,7 +34,6 @@
     public final int mImeBackDisposition;               // switch[4]
     public final boolean mShowImeSwitcher;              // switch[5]
     public final int mDisabledFlags2;                   // switch[6]
-    public final IBinder mImeToken;
     public final boolean mNavbarColorManagedByIme;
     public final int mBehavior;
     public final int mRequestedVisibleTypes;
@@ -45,7 +43,7 @@
 
     public RegisterStatusBarResult(ArrayMap<String, StatusBarIcon> icons, int disabledFlags1,
             int appearance, AppearanceRegion[] appearanceRegions, int imeWindowVis,
-            int imeBackDisposition, boolean showImeSwitcher, int disabledFlags2, IBinder imeToken,
+            int imeBackDisposition, boolean showImeSwitcher, int disabledFlags2,
             boolean navbarColorManagedByIme, int behavior, int requestedVisibleTypes,
             String packageName, int transientBarTypes, LetterboxDetails[] letterboxDetails) {
         mIcons = new ArrayMap<>(icons);
@@ -56,7 +54,6 @@
         mImeBackDisposition = imeBackDisposition;
         mShowImeSwitcher = showImeSwitcher;
         mDisabledFlags2 = disabledFlags2;
-        mImeToken = imeToken;
         mNavbarColorManagedByIme = navbarColorManagedByIme;
         mBehavior = behavior;
         mRequestedVisibleTypes = requestedVisibleTypes;
@@ -80,7 +77,6 @@
         dest.writeInt(mImeBackDisposition);
         dest.writeBoolean(mShowImeSwitcher);
         dest.writeInt(mDisabledFlags2);
-        dest.writeStrongBinder(mImeToken);
         dest.writeBoolean(mNavbarColorManagedByIme);
         dest.writeInt(mBehavior);
         dest.writeInt(mRequestedVisibleTypes);
@@ -106,7 +102,6 @@
                     final int imeBackDisposition = source.readInt();
                     final boolean showImeSwitcher = source.readBoolean();
                     final int disabledFlags2 = source.readInt();
-                    final IBinder imeToken = source.readStrongBinder();
                     final boolean navbarColorManagedByIme = source.readBoolean();
                     final int behavior = source.readInt();
                     final int requestedVisibleTypes = source.readInt();
@@ -116,7 +111,7 @@
                             source.readParcelableArray(null, LetterboxDetails.class);
                     return new RegisterStatusBarResult(icons, disabledFlags1, appearance,
                             appearanceRegions, imeWindowVis, imeBackDisposition, showImeSwitcher,
-                            disabledFlags2, imeToken, navbarColorManagedByIme, behavior,
+                            disabledFlags2, navbarColorManagedByIme, behavior,
                             requestedVisibleTypes, packageName, transientBarTypes,
                             letterboxDetails);
                 }
diff --git a/core/tests/coretests/src/com/android/internal/statusbar/RegisterStatusBarResultTest.java b/core/tests/coretests/src/com/android/internal/statusbar/RegisterStatusBarResultTest.java
index af2a2bb..c733bae 100644
--- a/core/tests/coretests/src/com/android/internal/statusbar/RegisterStatusBarResultTest.java
+++ b/core/tests/coretests/src/com/android/internal/statusbar/RegisterStatusBarResultTest.java
@@ -21,7 +21,6 @@
 import static com.google.common.truth.Truth.assertThat;
 
 import android.graphics.Rect;
-import android.os.Binder;
 import android.os.Parcel;
 import android.os.UserHandle;
 import android.util.ArrayMap;
@@ -63,7 +62,6 @@
                 0x10 /* imeBackDisposition */,
                 false /* showImeSwitcher */,
                 0x20 /* disabledFlags2 */,
-                new Binder() /* imeToken */,
                 true /* navbarColorManagedByIme */,
                 BEHAVIOR_SHOW_TRANSIENT_BARS_BY_SWIPE,
                 WindowInsets.Type.defaultVisible(),
@@ -85,7 +83,6 @@
         assertThat(copy.mImeBackDisposition).isEqualTo(original.mImeBackDisposition);
         assertThat(copy.mShowImeSwitcher).isEqualTo(original.mShowImeSwitcher);
         assertThat(copy.mDisabledFlags2).isEqualTo(original.mDisabledFlags2);
-        assertThat(copy.mImeToken).isSameInstanceAs(original.mImeToken);
         assertThat(copy.mNavbarColorManagedByIme).isEqualTo(original.mNavbarColorManagedByIme);
         assertThat(copy.mBehavior).isEqualTo(original.mBehavior);
         assertThat(copy.mRequestedVisibleTypes).isEqualTo(original.mRequestedVisibleTypes);
diff --git a/packages/SystemUI/src/com/android/systemui/navigationbar/NavigationBarControllerImpl.java b/packages/SystemUI/src/com/android/systemui/navigationbar/NavigationBarControllerImpl.java
index 1dbdec9..8e46fe4 100644
--- a/packages/SystemUI/src/com/android/systemui/navigationbar/NavigationBarControllerImpl.java
+++ b/packages/SystemUI/src/com/android/systemui/navigationbar/NavigationBarControllerImpl.java
@@ -406,9 +406,8 @@
             @Override
             public void onViewAttachedToWindow(View v) {
                 if (result != null) {
-                    navBar.setImeWindowStatus(display.getDisplayId(), result.mImeToken,
-                            result.mImeWindowVis, result.mImeBackDisposition,
-                            result.mShowImeSwitcher);
+                    navBar.setImeWindowStatus(display.getDisplayId(), result.mImeWindowVis,
+                            result.mImeBackDisposition, result.mShowImeSwitcher);
                 }
             }
 
diff --git a/packages/SystemUI/src/com/android/systemui/navigationbar/TaskbarDelegate.java b/packages/SystemUI/src/com/android/systemui/navigationbar/TaskbarDelegate.java
index d022c1c..15b1e4d 100644
--- a/packages/SystemUI/src/com/android/systemui/navigationbar/TaskbarDelegate.java
+++ b/packages/SystemUI/src/com/android/systemui/navigationbar/TaskbarDelegate.java
@@ -42,7 +42,6 @@
 import android.graphics.Rect;
 import android.hardware.display.DisplayManager;
 import android.inputmethodservice.InputMethodService;
-import android.os.IBinder;
 import android.os.RemoteException;
 import android.os.Trace;
 import android.util.Log;
@@ -425,7 +424,7 @@
     }
 
     @Override
-    public void setImeWindowStatus(int displayId, IBinder token, int vis, int backDisposition,
+    public void setImeWindowStatus(int displayId, int vis, int backDisposition,
             boolean showImeSwitcher) {
         boolean imeShown = mNavBarHelper.isImeShown(vis);
         if (!imeShown) {
diff --git a/packages/SystemUI/src/com/android/systemui/navigationbar/views/NavigationBar.java b/packages/SystemUI/src/com/android/systemui/navigationbar/views/NavigationBar.java
index afdfa59..7b248eb 100644
--- a/packages/SystemUI/src/com/android/systemui/navigationbar/views/NavigationBar.java
+++ b/packages/SystemUI/src/com/android/systemui/navigationbar/views/NavigationBar.java
@@ -71,7 +71,6 @@
 import android.os.Binder;
 import android.os.Bundle;
 import android.os.Handler;
-import android.os.IBinder;
 import android.os.RemoteException;
 import android.os.Trace;
 import android.provider.DeviceConfig;
@@ -1095,7 +1094,7 @@
     // ----- CommandQueue Callbacks -----
 
     @Override
-    public void setImeWindowStatus(int displayId, IBinder token, int vis, int backDisposition,
+    public void setImeWindowStatus(int displayId, int vis, int backDisposition,
             boolean showImeSwitcher) {
         if (displayId != mDisplayId) {
             return;
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/CommandQueue.java b/packages/SystemUI/src/com/android/systemui/statusbar/CommandQueue.java
index b9d24ab..cea97d6 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/CommandQueue.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/CommandQueue.java
@@ -257,12 +257,11 @@
          * Called to notify IME window status changes.
          *
          * @param displayId The id of the display to notify.
-         * @param token IME token.
          * @param vis IME visibility.
          * @param backDisposition Disposition mode of back button. It should be one of below flags:
          * @param showImeSwitcher {@code true} to show IME switch button.
          */
-        default void setImeWindowStatus(int displayId, IBinder token,  int vis,
+        default void setImeWindowStatus(int displayId, int vis,
                 @BackDispositionMode int backDisposition, boolean showImeSwitcher) { }
         default void showRecentApps(boolean triggeredFromAltTab) { }
         default void hideRecentApps(boolean triggeredFromAltTab, boolean triggeredFromHomeKey) { }
@@ -745,7 +744,7 @@
     }
 
     @Override
-    public void setImeWindowStatus(int displayId, IBinder token, int vis, int backDisposition,
+    public void setImeWindowStatus(int displayId, int vis, int backDisposition,
             boolean showImeSwitcher) {
         synchronized (mLock) {
             mHandler.removeMessages(MSG_SHOW_IME_BUTTON);
@@ -754,7 +753,6 @@
             args.argi2 = vis;
             args.argi3 = backDisposition;
             args.argi4 = showImeSwitcher ? 1 : 0;
-            args.arg1 = token;
             Message m = mHandler.obtainMessage(MSG_SHOW_IME_BUTTON, args);
             m.sendToTarget();
         }
@@ -1208,7 +1206,7 @@
         }
     }
 
-    private void handleShowImeButton(int displayId, IBinder token, int vis, int backDisposition,
+    private void handleShowImeButton(int displayId, int vis, int backDisposition,
             boolean showImeSwitcher) {
         if (displayId == INVALID_DISPLAY) return;
 
@@ -1224,17 +1222,15 @@
             sendImeInvisibleStatusForPrevNavBar();
         }
         for (int i = 0; i < mCallbacks.size(); i++) {
-            mCallbacks.get(i).setImeWindowStatus(displayId, token, vis, backDisposition,
-                    showImeSwitcher);
+            mCallbacks.get(i).setImeWindowStatus(displayId, vis, backDisposition, showImeSwitcher);
         }
         mLastUpdatedImeDisplayId = displayId;
     }
 
     private void sendImeInvisibleStatusForPrevNavBar() {
         for (int i = 0; i < mCallbacks.size(); i++) {
-            mCallbacks.get(i).setImeWindowStatus(mLastUpdatedImeDisplayId,
-                    null /* token */, IME_INVISIBLE, BACK_DISPOSITION_DEFAULT,
-                    false /* showImeSwitcher */);
+            mCallbacks.get(i).setImeWindowStatus(mLastUpdatedImeDisplayId, IME_INVISIBLE,
+                    BACK_DISPOSITION_DEFAULT, false /* showImeSwitcher */);
         }
     }
 
@@ -1550,7 +1546,7 @@
                     break;
                 case MSG_SHOW_IME_BUTTON:
                     args = (SomeArgs) msg.obj;
-                    handleShowImeButton(args.argi1 /* displayId */, (IBinder) args.arg1 /* token */,
+                    handleShowImeButton(args.argi1 /* displayId */,
                             args.argi2 /* vis */, args.argi3 /* backDisposition */,
                             args.argi4 != 0 /* showImeSwitcher */);
                     break;
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/phone/CentralSurfacesImpl.java b/packages/SystemUI/src/com/android/systemui/statusbar/phone/CentralSurfacesImpl.java
index 462ae7a..5b04852 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/phone/CentralSurfacesImpl.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/phone/CentralSurfacesImpl.java
@@ -916,8 +916,8 @@
                 result.mRequestedVisibleTypes, result.mPackageName, result.mLetterboxDetails);
 
         // StatusBarManagerService has a back up of IME token and it's restored here.
-        mCommandQueueCallbacks.setImeWindowStatus(mDisplayId, result.mImeToken,
-                result.mImeWindowVis, result.mImeBackDisposition, result.mShowImeSwitcher);
+        mCommandQueueCallbacks.setImeWindowStatus(mDisplayId, result.mImeWindowVis,
+                result.mImeBackDisposition, result.mShowImeSwitcher);
 
         // Set up the initial icon state
         int numIcons = result.mIcons.size();
diff --git a/packages/SystemUI/src/com/android/systemui/wmshell/WMShell.java b/packages/SystemUI/src/com/android/systemui/wmshell/WMShell.java
index 14cd202..9ca0591 100644
--- a/packages/SystemUI/src/com/android/systemui/wmshell/WMShell.java
+++ b/packages/SystemUI/src/com/android/systemui/wmshell/WMShell.java
@@ -34,7 +34,6 @@
 import android.content.res.Configuration;
 import android.graphics.Rect;
 import android.inputmethodservice.InputMethodService;
-import android.os.IBinder;
 import android.util.Log;
 import android.view.Display;
 import android.view.KeyEvent;
@@ -379,8 +378,8 @@
             }
 
             @Override
-            public void setImeWindowStatus(int displayId, IBinder token, int vis,
-                    int backDisposition, boolean showImeSwitcher) {
+            public void setImeWindowStatus(int displayId, int vis, int backDisposition,
+                    boolean showImeSwitcher) {
                 if (displayId == mDisplayTracker.getDefaultDisplayId()
                         && (vis & InputMethodService.IME_VISIBLE) != 0) {
                     oneHanded.stopOneHanded(
diff --git a/packages/SystemUI/tests/src/com/android/systemui/navigationbar/views/NavigationBarTest.java b/packages/SystemUI/tests/src/com/android/systemui/navigationbar/views/NavigationBarTest.java
index 45d77f6..a8cbbd4 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/navigationbar/views/NavigationBarTest.java
+++ b/packages/SystemUI/tests/src/com/android/systemui/navigationbar/views/NavigationBarTest.java
@@ -498,7 +498,7 @@
         defaultNavBar.init();
         externalNavBar.init();
 
-        defaultNavBar.setImeWindowStatus(DEFAULT_DISPLAY, null, IME_VISIBLE,
+        defaultNavBar.setImeWindowStatus(DEFAULT_DISPLAY, IME_VISIBLE,
                 BACK_DISPOSITION_DEFAULT, true);
 
         // Verify IME window state will be updated in default NavBar & external NavBar state reset.
@@ -510,10 +510,10 @@
         assertFalse((externalNavBar.getNavigationIconHints() & NAVIGATION_HINT_IME_SWITCHER_SHOWN)
                 != 0);
 
-        externalNavBar.setImeWindowStatus(EXTERNAL_DISPLAY_ID, null, IME_VISIBLE,
+        externalNavBar.setImeWindowStatus(EXTERNAL_DISPLAY_ID, IME_VISIBLE,
                 BACK_DISPOSITION_DEFAULT, true);
-        defaultNavBar.setImeWindowStatus(
-                DEFAULT_DISPLAY, null, IME_INVISIBLE, BACK_DISPOSITION_DEFAULT, false);
+        defaultNavBar.setImeWindowStatus(DEFAULT_DISPLAY, IME_INVISIBLE,
+                BACK_DISPOSITION_DEFAULT, false);
         // Verify IME window state will be updated in external NavBar & default NavBar state reset.
         assertEquals(NAVIGATION_HINT_BACK_ALT | NAVIGATION_HINT_IME_SHOWN
                         | NAVIGATION_HINT_IME_SWITCHER_SHOWN,
@@ -535,7 +535,7 @@
         doReturn(windowInsets).when(mockShadeWindowView).getRootWindowInsets();
 
         // Verify navbar altered back icon when an app is showing IME
-        mNavigationBar.setImeWindowStatus(DEFAULT_DISPLAY, null, IME_VISIBLE,
+        mNavigationBar.setImeWindowStatus(DEFAULT_DISPLAY, IME_VISIBLE,
                 BACK_DISPOSITION_DEFAULT, true);
         assertTrue((mNavigationBar.getNavigationIconHints() & NAVIGATION_HINT_BACK_ALT) != 0);
         assertTrue((mNavigationBar.getNavigationIconHints() & NAVIGATION_HINT_IME_SHOWN) != 0);
@@ -545,7 +545,7 @@
         // Verify navbar didn't alter and showing back icon when the keyguard is showing without
         // requesting IME insets visible.
         doReturn(true).when(mKeyguardStateController).isShowing();
-        mNavigationBar.setImeWindowStatus(DEFAULT_DISPLAY, null, IME_VISIBLE,
+        mNavigationBar.setImeWindowStatus(DEFAULT_DISPLAY, IME_VISIBLE,
                 BACK_DISPOSITION_DEFAULT, true);
         assertFalse((mNavigationBar.getNavigationIconHints() & NAVIGATION_HINT_BACK_ALT) != 0);
         assertFalse((mNavigationBar.getNavigationIconHints() & NAVIGATION_HINT_IME_SHOWN) != 0);
@@ -556,7 +556,7 @@
         // requesting IME insets visible.
         windowInsets = new WindowInsets.Builder().setVisible(ime(), true).build();
         doReturn(windowInsets).when(mockShadeWindowView).getRootWindowInsets();
-        mNavigationBar.setImeWindowStatus(DEFAULT_DISPLAY, null, IME_VISIBLE,
+        mNavigationBar.setImeWindowStatus(DEFAULT_DISPLAY, IME_VISIBLE,
                 BACK_DISPOSITION_DEFAULT, true);
         assertTrue((mNavigationBar.getNavigationIconHints() & NAVIGATION_HINT_BACK_ALT) != 0);
         assertTrue((mNavigationBar.getNavigationIconHints() & NAVIGATION_HINT_IME_SHOWN) != 0);
diff --git a/packages/SystemUI/tests/src/com/android/systemui/statusbar/CommandQueueTest.java b/packages/SystemUI/tests/src/com/android/systemui/statusbar/CommandQueueTest.java
index 9df46e5..86d21e8 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/statusbar/CommandQueueTest.java
+++ b/packages/SystemUI/tests/src/com/android/systemui/statusbar/CommandQueueTest.java
@@ -195,10 +195,9 @@
 
     @Test
     public void testShowImeButton() {
-        mCommandQueue.setImeWindowStatus(DEFAULT_DISPLAY, null, 1, 2, true);
+        mCommandQueue.setImeWindowStatus(DEFAULT_DISPLAY, 1, 2, true);
         waitForIdleSync();
-        verify(mCallbacks).setImeWindowStatus(
-                eq(DEFAULT_DISPLAY), eq(null), eq(1), eq(2), eq(true));
+        verify(mCallbacks).setImeWindowStatus(eq(DEFAULT_DISPLAY), eq(1), eq(2), eq(true));
     }
 
     @Test
@@ -206,12 +205,11 @@
         // First show in default display to update the "last updated ime display"
         testShowImeButton();
 
-        mCommandQueue.setImeWindowStatus(SECONDARY_DISPLAY, null, 1, 2, true);
+        mCommandQueue.setImeWindowStatus(SECONDARY_DISPLAY, 1, 2, true);
         waitForIdleSync();
-        verify(mCallbacks).setImeWindowStatus(eq(DEFAULT_DISPLAY), eq(null), eq(IME_INVISIBLE),
+        verify(mCallbacks).setImeWindowStatus(eq(DEFAULT_DISPLAY), eq(IME_INVISIBLE),
                 eq(BACK_DISPOSITION_DEFAULT), eq(false));
-        verify(mCallbacks).setImeWindowStatus(
-                eq(SECONDARY_DISPLAY), eq(null), eq(1), eq(2), eq(true));
+        verify(mCallbacks).setImeWindowStatus(eq(SECONDARY_DISPLAY), eq(1), eq(2), eq(true));
     }
 
     @Test
diff --git a/services/core/java/com/android/server/inputmethod/InputMethodManagerService.java b/services/core/java/com/android/server/inputmethod/InputMethodManagerService.java
index a9e9dcf..60f7a52 100644
--- a/services/core/java/com/android/server/inputmethod/InputMethodManagerService.java
+++ b/services/core/java/com/android/server/inputmethod/InputMethodManagerService.java
@@ -2773,7 +2773,7 @@
             }
             final IBinder targetWindow = mImeTargetWindowMap.get(startInputToken);
             if (targetWindow != null) {
-                mWindowManagerInternal.updateInputMethodTargetWindow(token, targetWindow);
+                mWindowManagerInternal.updateInputMethodTargetWindow(targetWindow);
             }
             mLastImeTargetWindow = targetWindow;
         }
@@ -2845,8 +2845,8 @@
             }
             final boolean needsToShowImeSwitcher = shouldShowImeSwitcherLocked(vis, userId);
             if (mStatusBarManagerInternal != null) {
-                mStatusBarManagerInternal.setImeWindowStatus(curTokenDisplayId,
-                        curToken, vis, backDisposition, needsToShowImeSwitcher);
+                mStatusBarManagerInternal.setImeWindowStatus(curTokenDisplayId, vis,
+                        backDisposition, needsToShowImeSwitcher);
             }
         } finally {
             Binder.restoreCallingIdentity(ident);
diff --git a/services/core/java/com/android/server/statusbar/StatusBarManagerInternal.java b/services/core/java/com/android/server/statusbar/StatusBarManagerInternal.java
index e4f60ec..a4a29a0 100644
--- a/services/core/java/com/android/server/statusbar/StatusBarManagerInternal.java
+++ b/services/core/java/com/android/server/statusbar/StatusBarManagerInternal.java
@@ -54,15 +54,13 @@
      * Used by InputMethodManagerService to notify the IME status.
      *
      * @param displayId The display to which the IME is bound to.
-     * @param token The IME token.
      * @param vis Bit flags about the IME visibility.
      *            (e.g. {@link android.inputmethodservice.InputMethodService#IME_ACTIVE})
      * @param backDisposition Bit flags about the IME back disposition.
      *         (e.g. {@link android.inputmethodservice.InputMethodService#BACK_DISPOSITION_DEFAULT})
      * @param showImeSwitcher {@code true} when the IME switcher button should be shown.
      */
-    void setImeWindowStatus(int displayId, IBinder token, int vis,
-            int backDisposition, boolean showImeSwitcher);
+    void setImeWindowStatus(int displayId, int vis, int backDisposition, boolean showImeSwitcher);
 
     /**
      * See {@link android.app.StatusBarManager#setIcon(String, int, int, String)}.
diff --git a/services/core/java/com/android/server/statusbar/StatusBarManagerService.java b/services/core/java/com/android/server/statusbar/StatusBarManagerService.java
index 85c8900..bcb6c95 100644
--- a/services/core/java/com/android/server/statusbar/StatusBarManagerService.java
+++ b/services/core/java/com/android/server/statusbar/StatusBarManagerService.java
@@ -534,9 +534,9 @@
         }
 
         @Override
-        public void setImeWindowStatus(int displayId, IBinder token, int vis, int backDisposition,
+        public void setImeWindowStatus(int displayId, int vis, int backDisposition,
                 boolean showImeSwitcher) {
-            StatusBarManagerService.this.setImeWindowStatus(displayId, token, vis, backDisposition,
+            StatusBarManagerService.this.setImeWindowStatus(displayId, vis, backDisposition,
                     showImeSwitcher);
         }
 
@@ -1351,25 +1351,24 @@
     }
 
     @Override
-    public void setImeWindowStatus(int displayId, final IBinder token, final int vis,
-            final int backDisposition, final boolean showImeSwitcher) {
+    public void setImeWindowStatus(int displayId, final int vis, final int backDisposition,
+            final boolean showImeSwitcher) {
         enforceStatusBar();
 
         if (SPEW) {
-            Slog.d(TAG, "swetImeWindowStatus vis=" + vis + " backDisposition=" + backDisposition);
+            Slog.d(TAG, "setImeWindowStatus vis=" + vis + " backDisposition=" + backDisposition);
         }
 
         synchronized(mLock) {
             // In case of IME change, we need to call up setImeWindowStatus() regardless of
             // mImeWindowVis because mImeWindowVis may not have been set to false when the
             // previous IME was destroyed.
-            getUiState(displayId).setImeWindowState(vis, backDisposition, showImeSwitcher, token);
+            getUiState(displayId).setImeWindowState(vis, backDisposition, showImeSwitcher);
 
             mHandler.post(() -> {
                 if (mBar == null) return;
                 try {
-                    mBar.setImeWindowStatus(
-                            displayId, token, vis, backDisposition, showImeSwitcher);
+                    mBar.setImeWindowStatus(displayId, vis, backDisposition, showImeSwitcher);
                 } catch (RemoteException ex) { }
             });
         }
@@ -1422,7 +1421,6 @@
         private int mImeWindowVis = 0;
         private int mImeBackDisposition = 0;
         private boolean mShowImeSwitcher = false;
-        private IBinder mImeToken = null;
         private LetterboxDetails[] mLetterboxDetails = new LetterboxDetails[0];
 
         private void setBarAttributes(@Appearance int appearance,
@@ -1465,11 +1463,10 @@
         }
 
         private void setImeWindowState(final int vis, final int backDisposition,
-                final boolean showImeSwitcher, final IBinder token) {
+                final boolean showImeSwitcher) {
             mImeWindowVis = vis;
             mImeBackDisposition = backDisposition;
             mShowImeSwitcher = showImeSwitcher;
-            mImeToken = token;
         }
     }
 
@@ -1563,7 +1560,7 @@
             return new RegisterStatusBarResult(icons, gatherDisableActionsLocked(mCurrentUserId, 1),
                     state.mAppearance, state.mAppearanceRegions, state.mImeWindowVis,
                     state.mImeBackDisposition, state.mShowImeSwitcher,
-                    gatherDisableActionsLocked(mCurrentUserId, 2), state.mImeToken,
+                    gatherDisableActionsLocked(mCurrentUserId, 2),
                     state.mNavbarColorManagedByIme, state.mBehavior, state.mRequestedVisibleTypes,
                     state.mPackageName, state.mTransientBarTypes, state.mLetterboxDetails);
         }
diff --git a/services/core/java/com/android/server/wm/WindowManagerInternal.java b/services/core/java/com/android/server/wm/WindowManagerInternal.java
index 132e1ee..68074d9 100644
--- a/services/core/java/com/android/server/wm/WindowManagerInternal.java
+++ b/services/core/java/com/android/server/wm/WindowManagerInternal.java
@@ -689,15 +689,10 @@
      * <p>Only {@link com.android.server.inputmethod.InputMethodManagerService} is the expected and
      * tested caller of this method.</p>
      *
-     * @param imeToken token to track the active input method. Corresponding IME windows can be
-     *                 identified by checking {@link android.view.WindowManager.LayoutParams#token}.
-     *                 Note that there is no guarantee that the corresponding window is already
-     *                 created
      * @param imeTargetWindowToken token to identify the target window that the IME is associated
      *                             with
      */
-    public abstract void updateInputMethodTargetWindow(@NonNull IBinder imeToken,
-            @NonNull IBinder imeTargetWindowToken);
+    public abstract void updateInputMethodTargetWindow(@NonNull IBinder imeTargetWindowToken);
 
     /**
       * Returns true when the hardware keyboard is available.
diff --git a/services/core/java/com/android/server/wm/WindowManagerService.java b/services/core/java/com/android/server/wm/WindowManagerService.java
index f65eea0..d5826ff 100644
--- a/services/core/java/com/android/server/wm/WindowManagerService.java
+++ b/services/core/java/com/android/server/wm/WindowManagerService.java
@@ -8093,11 +8093,10 @@
         }
 
         @Override
-        public void updateInputMethodTargetWindow(@NonNull IBinder imeToken,
-                @NonNull IBinder imeTargetWindowToken) {
+        public void updateInputMethodTargetWindow(@NonNull IBinder imeTargetWindowToken) {
             // TODO (b/34628091): Use this method to address the window animation issue.
             if (DEBUG_INPUT_METHOD) {
-                Slog.w(TAG_WM, "updateInputMethodTargetWindow: imeToken=" + imeToken
+                Slog.w(TAG_WM, "updateInputMethodTargetWindow:"
                         + " imeTargetWindowToken=" + imeTargetWindowToken);
             }
             synchronized (mGlobalLock) {