Fix leaking of RenderFrames.

content/renderer/render_thread_impl.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_RENDERER_RENDER_THREAD_IMPL_H_
 #define CONTENT_RENDERER_RENDER_THREAD_IMPL_H_
 
 #include <set>
 #include <string>
 #include <vector>
@@ skipping 440 matching lines @@
   scoped_refptr<base::SingleThreadTaskRunner> GetIOThreadTaskRunner() override;
   scoped_ptr<base::SharedMemory> AllocateSharedMemory(size_t size) override;
   CreateCommandBufferResult CreateViewCommandBuffer(
       int32 surface_id,
       const GPUCreateCommandBufferConfig& init_params,
       int32 route_id) override;
 
   void Init();
 
   void OnCreateNewFrame(FrameMsg_NewFrame_Params params);
+  void OnDetachFrame(int routing_id);
   void OnCreateNewFrameProxy(int routing_id,
                              int render_view_routing_id,
                              int opener_routing_id,
                              int parent_routing_id,
                              const FrameReplicationState& replicated_state);
   void OnSetZoomLevelForCurrentURL(const std::string& scheme,
                                    const std::string& host,
                                    double zoom_level);
   void OnCreateNewView(const ViewMsg_New_Params& params);
   void OnTransferBitmap(const SkBitmap& bitmap, int resource_id);
@@ skipping 203 matching lines @@
   DISALLOW_COPY_AND_ASSIGN(RenderThreadImpl);
 };
 
 #if defined(COMPILER_MSVC)
 #pragma warning(pop)
 #endif
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_RENDER_THREAD_IMPL_H_