Change PluginWindowHandle type to be bool on Mac

content/child/plugin_messages.h

 // Copyright 2013 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.
 //
 // Multiply-included message file, hence no include guard.
 
 #include "build/build_config.h"
 #include "content/child/plugin_param_traits.h"
 #include "content/common/content_export.h"
 #include "content/common/content_param_traits.h"
@@ skipping 205 matching lines @@
                     gfx::Rect /* window_frame */,
                     gfx::Rect /* view_frame */,
                     bool /* has_focus */)
 
 IPC_MESSAGE_ROUTED2(PluginMsg_WindowFrameChanged,
                     gfx::Rect /* window_frame */,
                     gfx::Rect /* view_frame */)
 
 IPC_MESSAGE_ROUTED1(PluginMsg_ImeCompositionCompleted,
                     base::string16 /* text */)
-
-// This message, used only on 10.6 and later, transmits the "fake"
-// window handle allocated by the browser on behalf of the renderer
-// to the GPU plugin.
-IPC_MESSAGE_ROUTED1(PluginMsg_SetFakeAcceleratedSurfaceWindowHandle,
-                    gfx::PluginWindowHandle /* window */)
 #endif
 
 //-----------------------------------------------------------------------------
 // PluginHost messages
 // These are messages sent from the plugin process to the renderer process.
 // They all map to the corresponding WebPlugin methods.
 // Sends the plugin window information to the renderer.
 // The window parameter is a handle to the window if the plugin is a windowed
 // plugin. It is NULL for windowless plugins.
 IPC_SYNC_MESSAGE_ROUTED1_0(PluginHostMsg_SetWindow,
@@ skipping 153 matching lines @@
 IPC_SYNC_MESSAGE_ROUTED1_2(NPObjectMsg_Construct,
                            std::vector<content::NPVariant_Param> /* args */,
                            content::NPVariant_Param /* result_param */,
                            bool /* result */)
 
 IPC_SYNC_MESSAGE_ROUTED2_2(NPObjectMsg_Evaluate,
                            std::string /* script */,
                            bool /* popups_allowed */,
                            content::NPVariant_Param /* result_param */,
                            bool /* result */)