Correct RoundedCorner enforcements.

The feature status will not, in the end, depend on the widget, so
removed the argument.

Bug: 183097166
Test: Manual test

Change-Id: I977e775072cf1724f3e31b848d3ac4c862d23e00
diff --git a/src/com/android/launcher3/widget/LauncherAppWidgetHostView.java b/src/com/android/launcher3/widget/LauncherAppWidgetHostView.java
index 2e542ed..687318f 100644
--- a/src/com/android/launcher3/widget/LauncherAppWidgetHostView.java
+++ b/src/com/android/launcher3/widget/LauncherAppWidgetHostView.java
@@ -497,12 +497,13 @@
 
     @UiThread
     private void enforceRoundedCorners() {
-        if (mEnforcedCornerRadius <= 0 || !RoundedCornerEnforcement.isRoundedCornerEnabled(this)) {
+        if (mEnforcedCornerRadius <= 0 || !RoundedCornerEnforcement.isRoundedCornerEnabled()) {
             resetRoundedCorners();
             return;
         }
         View background = RoundedCornerEnforcement.findBackground(this);
-        if (RoundedCornerEnforcement.hasAppWidgetOptedOut(this, background)) {
+        if (background == null
+                || RoundedCornerEnforcement.hasAppWidgetOptedOut(this, background)) {
             resetRoundedCorners();
             return;
         }
diff --git a/src/com/android/launcher3/widget/RoundedCornerEnforcement.java b/src/com/android/launcher3/widget/RoundedCornerEnforcement.java
index 99eccd1..1e46ffd 100644
--- a/src/com/android/launcher3/widget/RoundedCornerEnforcement.java
+++ b/src/com/android/launcher3/widget/RoundedCornerEnforcement.java
@@ -72,12 +72,8 @@
     }
 
     /** Check if the app widget is in the deny list. */
-    public static boolean isRoundedCornerEnabled(@NonNull View view) {
-        if (!Utilities.ATLEAST_S || !FeatureFlags.ENABLE_ENFORCED_ROUNDED_CORNERS.get()) {
-            return false;
-        }
-        // Here we need to test if the view's component is in the (to be created) deny list.
-        return true;
+    public static boolean isRoundedCornerEnabled() {
+        return Utilities.ATLEAST_S && FeatureFlags.ENABLE_ENFORCED_ROUNDED_CORNERS.get();
     }
 
     /**