[Android] Implement asynchronous zero-copy bitmap capture API.

content/test/test_render_view_host.cc

 // Copyright (c) 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.
 
 #include "content/test/test_render_view_host.h"
 
 #include "base/memory/scoped_ptr.h"
 #include "content/browser/dom_storage/dom_storage_context_wrapper.h"
 #include "content/browser/dom_storage/session_storage_namespace_impl.h"
 #include "content/browser/site_instance_impl.h"
@@ skipping 91 matching lines @@
 
 BackingStore* TestRenderWidgetHostView::AllocBackingStore(
     const gfx::Size& size) {
   return new TestBackingStore(rwh_, size);
 }
 
 void TestRenderWidgetHostView::CopyFromCompositingSurface(
     const gfx::Rect& src_subrect,
     const gfx::Size& dst_size,
     const base::Callback<void(bool, const SkBitmap&)>& callback,
-    const SkBitmap::Config config) {
+    const SkBitmap::Config config,
+    scoped_ptr<SkBitmap> bitmap) {
   callback.Run(false, SkBitmap());
 }
 
 void TestRenderWidgetHostView::CopyFromCompositingSurfaceToVideoFrame(
     const gfx::Rect& src_subrect,
     const scoped_refptr<media::VideoFrame>& target,
     const base::Callback<void(bool)>& callback) {
   callback.Run(false);
 }
 
@@ skipping 272 matching lines @@
 
 TestRenderFrameHost* RenderViewHostImplTestHarness::main_test_rfh() {
   return static_cast<TestRenderFrameHost*>(main_rfh());
 }
 
 TestWebContents* RenderViewHostImplTestHarness::contents() {
   return static_cast<TestWebContents*>(web_contents());
 }
 
 }  // namespace content