Reapplies all the IPC system work (reverts the revert r56272).

chrome/renderer/webplugin_delegate_pepper.h

 // 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.
 
 #ifndef CHROME_RENDERER_WEBPLUGIN_DELEGATE_PEPPER_H_
 #define CHROME_RENDERER_WEBPLUGIN_DELEGATE_PEPPER_H_
 #pragma once
 
 #include "build/build_config.h"
 
 #include <string>
 #include <vector>
 
 #include "base/id_map.h"
 #include "base/ref_counted.h"
 #include "base/weak_ptr.h"
 #include "chrome/renderer/pepper_devices.h"
 #include "chrome/renderer/command_buffer_proxy.h"
 #include "gfx/native_widget_types.h"
 #include "gfx/rect.h"
 #include "third_party/npapi/bindings/npapi.h"
+#include "third_party/skia/include/core/SkBitmap.h"
 #include "third_party/WebKit/WebKit/chromium/public/WebFileChooserCompletion.h"
 #include "webkit/glue/plugins/webplugin_delegate.h"
 
 class FilePath;
 class RenderView;
 class WebCursor;
 class WebPluginDelegateProxy;
 
 namespace NPAPI {
 class PluginInstance;
@@ skipping 302 matching lines @@
   // pointer to the callback specified by the plugin. Will be NULL otherwise.
   NPChooseFileCallback current_choose_file_callback_;
   void* current_choose_file_user_data_;
 
   scoped_ptr<WebKit::WebCursorInfo> cursor_;
 
   DISALLOW_COPY_AND_ASSIGN(WebPluginDelegatePepper);
 };
 
 #endif  // CHROME_RENDERER_WEBPLUGIN_DELEGATE_PEPPER_H_