Support browser side thumbnailing for GPU composited pages on Windows.

content/browser/renderer_host/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/browser/browser_url_handler.h"
 #include "content/browser/renderer_host/test_backing_store.h"
 #include "content/browser/renderer_host/test_render_view_host.h"
 #include "content/browser/site_instance_impl.h"
 #include "content/browser/tab_contents/navigation_controller_impl.h"
 #include "content/browser/tab_contents/navigation_entry_impl.h"
@@ skipping 287 matching lines @@
   return NULL;
 }
 
 #if !defined(TOOLKIT_VIEWS)
 gfx::NativeView TestRenderWidgetHostView::BuildInputMethodsGtkMenu() {
   return NULL;
 }
 #endif  // !defined(TOOLKIT_VIEWS)
 #endif  // defined(TOOLKIT_USES_GTK)
 
+bool TestRenderWidgetHostView::CopyFromCompositingSurface(
+    const gfx::Size& size,
+    skia::PlatformCanvas* output) {
+  return false;
+}
+
 gfx::GLSurfaceHandle TestRenderWidgetHostView::GetCompositingSurface() {
   return gfx::GLSurfaceHandle();
 }
 
 bool TestRenderWidgetHostView::LockMouse() {
   return false;
 }
 
 void TestRenderWidgetHostView::UnlockMouse() {
 }
@@ skipping 113 matching lines @@
 #endif
 
   // Make sure that we flush any messages related to TabContents destruction
   // before we destroy the browser context.
   MessageLoop::current()->RunAllPending();
 
   // Release the browser context on the UI thread.
   message_loop_.DeleteSoon(FROM_HERE, browser_context_.release());
   message_loop_.RunAllPending();
 }