Android WebView: flush input events during onVSync

ui/android/java/src/org/chromium/ui/base/WindowAndroid.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.ui.base;
 
 import android.annotation.SuppressLint;
 import android.app.Activity;
 import android.app.PendingIntent;
 import android.content.ContentResolver;
@@ skipping 39 matching lines @@
     private final VSyncMonitor.Listener mVSyncListener = new VSyncMonitor.Listener() {
         @Override
         public void onVSync(VSyncMonitor monitor, long vsyncTimeMicros) {
             if (mNativeWindowAndroid != 0) {
                 nativeOnVSync(mNativeWindowAndroid, vsyncTimeMicros);
             }
         }
     };
 
     /**
+     * @return true if onVSync handler is executing.
+     * @see org.chromium.ui.VSyncMonitor#isInsideVSync().
+     */
+    public boolean isInsideVSync() {
+        return mVSyncMonitor.isInsideVSync();
+    }
+
+    /**
      * @param context The application context.
      */
     @SuppressLint("UseSparseArrays")
     public WindowAndroid(Context context) {
         assert context == context.getApplicationContext();
         mApplicationContext = context;
         mOutstandingIntents = new SparseArray<IntentCallback>();
         mIntentErrors = new HashMap<Integer, String>();
         mVSyncMonitor = new VSyncMonitor(context, mVSyncListener);
     }
@@ skipping 207 matching lines @@
             mNativeWindowAndroid = nativeInit(mVSyncMonitor.getVSyncPeriodInMicroseconds());
         }
         return mNativeWindowAndroid;
     }
 
     private native long nativeInit(long vsyncPeriod);
     private native void nativeOnVSync(long nativeWindowAndroid, long vsyncTimeMicros);
     private native void nativeDestroy(long nativeWindowAndroid);
 
 }