Removed "compositor" child window that was created by the GPU process.

content/common/gpu/gpu_command_buffer_stub.h

 // Copyright (c) 2011 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_COMMON_GPU_GPU_COMMAND_BUFFER_STUB_H_
 #define CONTENT_COMMON_GPU_GPU_COMMAND_BUFFER_STUB_H_
 #pragma once
 
 #if defined(ENABLE_GPU)
 
@@ skipping 50 matching lines @@
 
   // Identifies the various GpuCommandBufferStubs in the GPU process belonging
   // to the same renderer process.
   int32 route_id() const { return route_id_; }
 
 #if defined(OS_WIN)
   // Called only by the compositor window's window proc
   void OnCompositorWindowPainted();
 #endif  // defined(OS_WIN)
 
+  void ViewResized();
+
 #if defined(OS_MACOSX)
   // Called only by the GpuChannel.
   void AcceleratedSurfaceBuffersSwapped(uint64 swap_buffers_count);
 #endif  // defined(OS_MACOSX)
 
  private:
   // Message handlers:
   void OnInitialize(base::SharedMemoryHandle ring_buffer,
                     int32 size,
                     bool* result);
@@ skipping 13 matching lines @@
   void OnResizeOffscreenFrameBuffer(const gfx::Size& size);
 
   void OnSwapBuffers();
   void OnCommandProcessed();
 
 #if defined(OS_MACOSX)
   void OnSetWindowSize(const gfx::Size& size);
   void SwapBuffersCallback();
 #endif  // defined(OS_MACOSX)
 
-#if defined(OS_WIN)
-  bool CreateCompositorWindow();
-#endif  // defined(OS_WIN)
-
   void ResizeCallback(gfx::Size size);
 
   // The lifetime of objects of this class is managed by a GpuChannel. The
   // GpuChannels destroy all the GpuCommandBufferStubs that they own when they
   // are destroyed. So a raw pointer is safe.
   GpuChannel* channel_;
 
   gfx::PluginWindowHandle handle_;
   base::WeakPtr<GpuCommandBufferStub> parent_;
   gfx::Size initial_size_;
   gpu::gles2::DisallowedExtensions disallowed_extensions_;
   std::string allowed_extensions_;
   std::vector<int32> requested_attribs_;
   uint32 parent_texture_id_;
   int32 route_id_;
 
-#if defined(OS_WIN)
-  HWND compositor_window_;
-#endif  // defined(OS_WIN)
-
   // The following two fields are used on Mac OS X to identify the window
   // for the rendering results on the browser side.
   int32 renderer_id_;
   int32 render_view_id_;
 
   scoped_ptr<gpu::CommandBufferService> command_buffer_;
   scoped_ptr<gpu::GpuScheduler> scheduler_;
   GpuWatchdog* watchdog_;
 
   DISALLOW_COPY_AND_ASSIGN(GpuCommandBufferStub);
 };
 
 #endif  // defined(ENABLE_GPU)
 
 #endif  // CONTENT_COMMON_GPU_GPU_COMMAND_BUFFER_STUB_H_