Removed GPU plugin....

chrome/plugin/command_buffer_stub_win.cc

-// Copyright (c) 2010 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 "chrome/plugin/command_buffer_stub.h"
-
-namespace {
-const wchar_t* kPreviousWndProcProperty = L"CommandBufferStubPrevWndProc";
-const wchar_t* kCommandBufferStubProperty = L"CommandBufferStub";
-
-// Message handler for the GPU plugin's child window. Used to intercept
-// WM_PAINT events and forward repaint notifications to the client.
-LRESULT WINAPI WndProc(HWND handle,
-                       UINT message,
-                       WPARAM w_param,
-                       LPARAM l_param) {
-  WNDPROC previous_wnd_proc = reinterpret_cast<WNDPROC>(
-      ::GetProp(handle, kPreviousWndProcProperty));
-  CommandBufferStub* stub = reinterpret_cast<CommandBufferStub*>(
-      ::GetProp(handle, kCommandBufferStubProperty));
-
-  switch (message) {
-    case WM_ERASEBKGND:
-      // Do not clear background. Avoids flickering.
-      return 1;
-    case WM_PAINT:
-      // Validate the whole window to prevent another WM_PAINT message.
-      ValidateRect(handle, NULL);
-
-      // Notify client that the window is invalid and needs to be repainted.
-      stub->NotifyRepaint();
-
-      return 1;
-    default:
-      return CallWindowProc(previous_wnd_proc,
-                            handle,
-                            message,
-                            w_param,
-                            l_param);
-  }
-}
-}  // namespace anonymous
-
-bool CommandBufferStub::InitializePlatformSpecific() {
-  // Subclass window.
-  WNDPROC previous_wnd_proc = reinterpret_cast<WNDPROC>(
-      ::GetWindowLongPtr(window_, GWLP_WNDPROC));
-  ::SetProp(window_,
-            kPreviousWndProcProperty,
-            reinterpret_cast<HANDLE>(previous_wnd_proc));
-  ::SetWindowLongPtr(window_,
-                     GWLP_WNDPROC,
-                     reinterpret_cast<LONG_PTR>(WndProc));
-
-  // Record pointer to this in window.
-  ::SetProp(window_,
-            kCommandBufferStubProperty,
-            reinterpret_cast<HANDLE>(this));
-
-  return true;
-}
-
-void CommandBufferStub::DestroyPlatformSpecific() {
-  // Restore window.
-  WNDPROC previous_wnd_proc = reinterpret_cast<WNDPROC>(
-      ::GetProp(window_, kPreviousWndProcProperty));
-  ::SetWindowLongPtr(window_, GWLP_WNDPROC, reinterpret_cast<LONG_PTR>(
-      previous_wnd_proc));
-  ::RemoveProp(window_, kPreviousWndProcProperty);
-  ::RemoveProp(window_, kCommandBufferStubProperty);
-}