Consolidate RenderWidgetHost::CopyFromBackingStore and RenderWidgetHost::AsyncCopyFromBackingStore.

chrome/browser/extensions/extension_tabs_module.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 "chrome/browser/extensions/extension_tabs_module.h"
 
 #include <algorithm>
 #include <vector>
 
 #include "base/base64.h"
@@ skipping 1652 matching lines @@
   if (!GetExtension()->CanCaptureVisiblePage(web_contents->GetURL(), &error_))
     return false;
 
   RenderViewHost* render_view_host = web_contents->GetRenderViewHost();
   content::RenderWidgetHostView* view = render_view_host->GetView();
   if (!view) {
     error_ = keys::kInternalVisibleTabCaptureError;
     return false;
   }
   skia::PlatformCanvas* temp_canvas = new skia::PlatformCanvas;
-  render_view_host->AsyncCopyFromBackingStore(
+  render_view_host->CopyFromBackingStore(
       gfx::Rect(),
       view->GetViewBounds().size(),
       temp_canvas,
       base::Bind(&CaptureVisibleTabFunction::CopyFromBackingStoreComplete,
                  this,
                  base::Owned(temp_canvas)));
   return true;
 }
 
 void CaptureVisibleTabFunction::CopyFromBackingStoreComplete(
@@ skipping 163 matching lines @@
   // called for every API call the extension made.
   GotLanguage(language);
 }
 
 void DetectTabLanguageFunction::GotLanguage(const std::string& language) {
   result_.reset(Value::CreateStringValue(language.c_str()));
   SendResponse(true);
 
   Release();  // Balanced in Run()
 }