aw: Invalidate view on hardware teardown

android_webview/java/src/org/chromium/android_webview/AwContents.java

 // Copyright 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 package org.chromium.android_webview;
 
 import android.annotation.SuppressLint;
 import android.app.Activity;
 import android.content.ComponentCallbacks2;
 import android.content.Context;
@@ skipping 2036 matching lines @@
 
     @CalledByNative
     private void postInvalidateOnAnimation() {
         if (SUPPORTS_ON_ANIMATION && !mWindowAndroid.isInsideVSync()) {
             mContainerView.postInvalidateOnAnimation();
         } else {
             mContainerView.invalidate();
         }
     }
 
+    // Call postInvalidateOnAnimation for invalidations. This is only used to synchronize
+    // draw functor destruction.
+    @CalledByNative
+    private void invalidateOnFunctorDestroy() {
+        mContainerView.invalidate();
+    }
+
     @CalledByNative
     private int[] getLocationOnScreen() {
         int[] result = new int[2];
         mContainerView.getLocationOnScreen(result);
         return result;
     }
 
     @CalledByNative
     private void onWebLayoutPageScaleFactorChanged(float webLayoutPageScaleFactor) {
         // This change notification comes from the renderer thread, not from the cc/ impl thread.
@@ skipping 435 matching lines @@
 
     private native void nativeSetJsOnlineProperty(long nativeAwContents, boolean networkUp);
 
     private native void nativeTrimMemory(long nativeAwContents, int level, boolean visible);
 
     private native void nativeCreatePdfExporter(long nativeAwContents, AwPdfExporter awPdfExporter);
 
     private native void nativePreauthorizePermission(long nativeAwContents, String origin,
             long resources);
 }