Don't resume commits after every layout.

Source/web/FrameLoaderClientImpl.cpp

 /*
  * Copyright (C) 2009, 2012 Google Inc. All rights reserved.
  * Copyright (C) 2011 Apple Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
@@ skipping 364 matching lines @@
                                                     unsigned long identifier)
 {
     if (m_webFrame->client())
         m_webFrame->client()->didFinishResourceLoad(m_webFrame, identifier);
 }
 
 void FrameLoaderClientImpl::dispatchDidFinishDocumentLoad(bool documentIsEmpty)
 {
     if (m_webFrame->client())
         m_webFrame->client()->didFinishDocumentLoad(m_webFrame, documentIsEmpty);
+    if (WebViewImpl* webview = m_webFrame->viewImpl())
+        webview->didFinishDocumentLoad(m_webFrame);
 }
 
 void FrameLoaderClientImpl::dispatchDidLoadResourceFromMemoryCache(const ResourceRequest& request, const ResourceResponse& response)
 {
     if (m_webFrame->client())
         m_webFrame->client()->didLoadResourceFromMemoryCache(m_webFrame, WrappedResourceRequest(request), WrappedResourceResponse(response));
 }
 
 void FrameLoaderClientImpl::dispatchDidHandleOnloadEvents()
 {
@@ skipping 579 matching lines @@
 
 void FrameLoaderClientImpl::suddenTerminationDisablerChanged(bool present, SuddenTerminationDisablerType type)
 {
     if (m_webFrame->client()) {
         m_webFrame->client()->suddenTerminationDisablerChanged(
             present, static_cast<WebFrameClient::SuddenTerminationDisablerType>(type));
     }
 }
 
 } // namespace blink