Navigation transitions: Block first response until after transitions have run.

content/browser/renderer_host/render_message_filter.h

 // 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.
 
 #ifndef CONTENT_BROWSER_RENDERER_HOST_RENDER_MESSAGE_FILTER_H_
 #define CONTENT_BROWSER_RENDERER_HOST_RENDER_MESSAGE_FILTER_H_
 
 #if defined(OS_WIN)
 #include <windows.h>
 #endif
@@ skipping 252 matching lines @@
   void OnDidLose3DContext(const GURL& top_origin_url,
                           ThreeDAPIType context_type,
                           int arb_robustness_status_code);
 
 #if defined(OS_ANDROID)
   void OnWebAudioMediaCodec(base::SharedMemoryHandle encoded_data_handle,
                             base::FileDescriptor pcm_output,
                             uint32_t data_size);
 #endif
 
+  void OnSetHasPendingTransitionRequest(int render_frame_id,
+                                        bool is_transition);
+
   // Cached resource request dispatcher host and plugin service, guaranteed to
   // be non-null if Init succeeds. We do not own the objects, they are managed
   // by the BrowserProcess, which has a wider scope than we do.
   ResourceDispatcherHostImpl* resource_dispatcher_host_;
   PluginServiceImpl* plugin_service_;
   base::FilePath profile_data_directory_;
 
   // Contextual information to be used for requests created here.
   scoped_refptr<net::URLRequestContextGetter> request_context_;
 
@@ skipping 24 matching lines @@
 
   media::AudioManager* audio_manager_;
   MediaInternals* media_internals_;
 
   DISALLOW_COPY_AND_ASSIGN(RenderMessageFilter);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_RENDERER_HOST_RENDER_MESSAGE_FILTER_H_