SF: Use consistent names for display references

This CL renames IBinder tokens to "displayToken", and DisplayDevice
references to "display". It also cleans up style for affected lines.

Bug: 74619554
Test: Build
Change-Id: I04fc7264bf2a856caf30d662029b6f603f432938
diff --git a/services/surfaceflinger/tests/unittests/DisplayTransactionTest.cpp b/services/surfaceflinger/tests/unittests/DisplayTransactionTest.cpp
index 6621438..1364c07 100644
--- a/services/surfaceflinger/tests/unittests/DisplayTransactionTest.cpp
+++ b/services/surfaceflinger/tests/unittests/DisplayTransactionTest.cpp
@@ -1202,7 +1202,7 @@
     static_assert(0 <= Case::Display::TYPE &&
                           Case::Display::TYPE < DisplayDevice::NUM_BUILTIN_DISPLAY_TYPES,
                   "Must use a valid physical display type index for the fixed-size array");
-    auto& displayToken = mFlinger.mutableBuiltinDisplays()[Case::Display::TYPE];
+    auto& displayToken = mFlinger.mutableDisplayTokens()[Case::Display::TYPE];
     ASSERT_TRUE(displayToken != nullptr);
 
     verifyDisplayIsConnected<Case>(displayToken);
@@ -1308,7 +1308,7 @@
     // The display should not be set up as a built-in display.
     ASSERT_TRUE(0 <= Case::Display::TYPE &&
                 Case::Display::TYPE < DisplayDevice::NUM_BUILTIN_DISPLAY_TYPES);
-    auto displayToken = mFlinger.mutableBuiltinDisplays()[Case::Display::TYPE];
+    auto displayToken = mFlinger.mutableDisplayTokens()[Case::Display::TYPE];
     EXPECT_TRUE(displayToken == nullptr);
 
     // The existing token should have been removed
@@ -1401,7 +1401,7 @@
     // The display should not be set up as a primary built-in display.
     ASSERT_TRUE(0 <= Case::Display::TYPE &&
                 Case::Display::TYPE < DisplayDevice::NUM_BUILTIN_DISPLAY_TYPES);
-    auto displayToken = mFlinger.mutableBuiltinDisplays()[Case::Display::TYPE];
+    auto displayToken = mFlinger.mutableDisplayTokens()[Case::Display::TYPE];
     EXPECT_TRUE(displayToken == nullptr);
 }
 
@@ -1444,7 +1444,7 @@
     static_assert(0 <= Case::Display::TYPE &&
                           Case::Display::TYPE < DisplayDevice::NUM_BUILTIN_DISPLAY_TYPES,
                   "Display type must be a built-in display");
-    EXPECT_NE(existing.token(), mFlinger.mutableBuiltinDisplays()[Case::Display::TYPE]);
+    EXPECT_NE(existing.token(), mFlinger.mutableDisplayTokens()[Case::Display::TYPE]);
 
     // A new display should be connected in its place
 
@@ -2698,7 +2698,7 @@
     EXPECT_EQ(HWC_POWER_MODE_NORMAL, display.mutableDisplayDevice()->getPowerMode());
 }
 
-TEST_F(SetPowerModeInternalTest, setPowerModeInternalJustSetsInternalStateIfVirtualDisplay) {
+TEST_F(SetPowerModeInternalTest, setPowerModeInternalDoesNothingIfVirtualDisplay) {
     using Case = HwcVirtualDisplayCase;
 
     // --------------------------------------------------------------------
@@ -2713,13 +2713,13 @@
     auto display = Case::Display::makeFakeExistingDisplayInjector(this);
     display.inject();
 
-    // The display is set to HWC_POWER_MODE_OFF
-    getDisplayDevice(display.token())->setPowerMode(HWC_POWER_MODE_OFF);
+    // The display is set to HWC_POWER_MODE_NORMAL
+    getDisplayDevice(display.token())->setPowerMode(HWC_POWER_MODE_NORMAL);
 
     // --------------------------------------------------------------------
     // Invocation
 
-    mFlinger.setPowerModeInternal(display.mutableDisplayDevice(), HWC_POWER_MODE_NORMAL);
+    mFlinger.setPowerModeInternal(display.mutableDisplayDevice(), HWC_POWER_MODE_OFF);
 
     // --------------------------------------------------------------------
     // Postconditions
diff --git a/services/surfaceflinger/tests/unittests/TestableSurfaceFlinger.h b/services/surfaceflinger/tests/unittests/TestableSurfaceFlinger.h
index 5fb66fe..5497d03 100644
--- a/services/surfaceflinger/tests/unittests/TestableSurfaceFlinger.h
+++ b/services/surfaceflinger/tests/unittests/TestableSurfaceFlinger.h
@@ -64,15 +64,17 @@
         return mFlinger->createDisplay(displayName, secure);
     }
 
-    auto destroyDisplay(const sp<IBinder>& display) { return mFlinger->destroyDisplay(display); }
+    auto destroyDisplay(const sp<IBinder>& displayToken) {
+        return mFlinger->destroyDisplay(displayToken);
+    }
 
     auto resetDisplayState() { return mFlinger->resetDisplayState(); }
 
-    auto setupNewDisplayDeviceInternal(const wp<IBinder>& display, int hwcId,
+    auto setupNewDisplayDeviceInternal(const wp<IBinder>& displayToken, int hwcId,
                                        const DisplayDeviceState& state,
                                        const sp<DisplaySurface>& dispSurface,
                                        const sp<IGraphicBufferProducer>& producer) {
-        return mFlinger->setupNewDisplayDeviceInternal(display, hwcId, state, dispSurface,
+        return mFlinger->setupNewDisplayDeviceInternal(displayToken, hwcId, state, dispSurface,
                                                        producer);
     }
 
@@ -111,7 +113,7 @@
 
     auto& mutableHasWideColorDisplay() { return SurfaceFlinger::hasWideColorDisplay; }
 
-    auto& mutableBuiltinDisplays() { return mFlinger->mBuiltinDisplays; }
+    auto& mutableDisplayTokens() { return mFlinger->mDisplayTokens; }
     auto& mutableCurrentState() { return mFlinger->mCurrentState; }
     auto& mutableDisplays() { return mFlinger->mDisplays; }
     auto& mutableDisplayColorSetting() { return mFlinger->mDisplayColorSetting; }
@@ -312,7 +314,7 @@
             mFlinger.mutableDrawingState().displays.add(mDisplayToken, state);
 
             if (mType >= DisplayDevice::DISPLAY_PRIMARY && mType < DisplayDevice::DISPLAY_VIRTUAL) {
-                mFlinger.mutableBuiltinDisplays()[mType] = mDisplayToken;
+                mFlinger.mutableDisplayTokens()[mType] = mDisplayToken;
             }
 
             return device;