Added CommandBufferClient, CommandBufferStub and some IPC messages....

gpu/gpu_plugin/gpu_plugin_object_win.cc

-// Copyright (c) 2006-2008 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 <windows.h>
-
-#include "gpu/command_buffer/service/gpu_processor.h"
-#include "gpu/gpu_plugin/gpu_plugin_object.h"
-
-namespace gpu_plugin {
-
-namespace {
-const LPCTSTR kPluginObjectProperty = TEXT("GPUPluginObject");
-const LPCTSTR kOriginalWindowProc = TEXT("GPUPluginObjectOriginalWindowProc");
-
-LRESULT CALLBACK WindowProc(HWND handle,
-                            UINT message,
-                            WPARAM w_param,
-                            LPARAM l_param) {
-  return ::DefWindowProc(handle, message, w_param, l_param);
-}
-}  // namespace anonymous
-
-NPError GPUPluginObject::PlatformSpecificSetWindow(NPWindow* new_window) {
-  // Detach properties from old window and restore the original window proc.
-  if (window_.window) {
-    HWND handle = reinterpret_cast<HWND>(window_.window);
-    ::RemoveProp(handle, kPluginObjectProperty);
-
-    LONG original_window_proc = reinterpret_cast<LONG>(
-        ::GetProp(handle, kOriginalWindowProc));
-    ::SetWindowLong(handle, GWL_WNDPROC,
-                    original_window_proc);
-    ::RemoveProp(handle, kOriginalWindowProc);
-  }
-
-  // Attach properties to new window and set a new window proc.
-  if (new_window->window) {
-    HWND handle = reinterpret_cast<HWND>(new_window->window);
-    ::SetProp(handle,
-              kPluginObjectProperty,
-              reinterpret_cast<HANDLE>(this));
-
-    LONG original_window_proc = ::GetWindowLong(handle, GWL_WNDPROC);
-    ::SetProp(handle,
-              kOriginalWindowProc,
-              reinterpret_cast<HANDLE>(original_window_proc));
-    ::SetWindowLong(handle, GWL_WNDPROC,
-                    reinterpret_cast<LONG>(WindowProc));
-
-    status_ = kWaitingForOpenCommandBuffer;
-  } else {
-    status_ = kWaitingForSetWindow;
-    if (processor_) {
-      processor_->Destroy();
-    }
-  }
-
-  return NPERR_NO_ERROR;
-}
-
-}  // namespace gpu_plugin