Returning back from any app [after share via] is creating a black screen

content/public/android/java/src/org/chromium/content/browser/ContentViewRenderView.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.content.browser;
 
 import android.content.Context;
 import android.graphics.Bitmap;
 import android.graphics.Canvas;
 import android.graphics.Color;
@@ skipping 60 matching lines @@
                 if (mCurrentContentView != null) {
                     mCurrentContentView.getContentViewCore().onPhysicalBackingSizeChanged(
                             width, height);
                 }
             }
 
             @Override
             public void surfaceCreated(SurfaceHolder holder) {
                 assert mNativeContentViewRenderView != 0;
                 nativeSurfaceCreated(mNativeContentViewRenderView, holder.getSurface());
+
+                mPendingSwapBuffers = 0;
+                mPendingRenders = 0;
+
                 onReadyToRender();
             }
 
             @Override
             public void surfaceDestroyed(SurfaceHolder holder) {
                 assert mNativeContentViewRenderView != 0;
                 nativeSurfaceDestroyed(mNativeContentViewRenderView);
             }
         };
         mSurfaceView.getHolder().addCallback(mSurfaceCallback);
@@ skipping 109 matching lines @@
             contentViewCore.onPhysicalBackingSizeChanged(getWidth(), getHeight());
             mVSyncAdapter.setVSyncListener(contentViewCore.getVSyncListener(mVSyncAdapter));
         }
     }
 
     /**
      * This method should be subclassed to provide actions to be performed once the view is ready to
      * render.
      */
     protected void onReadyToRender() {
-        mPendingSwapBuffers = 0;
-        mPendingRenders = 0;
     }
 
     /**
      * This method could be subclassed optionally to provide a custom SurfaceView object to
      * this ContentViewRenderView.
      * @param context The context used to create the SurfaceView object.
      * @return The created SurfaceView object.
      */
     protected SurfaceView createSurfaceView(Context context) {
         return new SurfaceView(context) {
@@ skipping 97 matching lines @@
             long nativeContentView);
     private native void nativeSurfaceCreated(long nativeContentViewRenderView, Surface surface);
     private native void nativeSurfaceDestroyed(long nativeContentViewRenderView);
     private native void nativeSurfaceSetSize(long nativeContentViewRenderView,
             int width, int height);
     private native boolean nativeComposite(long nativeContentViewRenderView);
     private native boolean nativeCompositeToBitmap(long nativeContentViewRenderView, Bitmap bitmap);
     private native void nativeSetOverlayVideoMode(long nativeContentViewRenderView,
             boolean enabled);
 }