Replace IOSurfaceManager by directly passing IOSurface Mach ports over Chrome IPC.

content/browser/gpu/gpu_process_host.h

 // Copyright (c) 2012 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_BROWSER_GPU_GPU_PROCESS_HOST_H_
 #define CONTENT_BROWSER_GPU_GPU_PROCESS_HOST_H_
 
 #include <stdint.h>
 
 #include <map>
@@ skipping 16 matching lines @@
 #include "content/public/browser/gpu_data_manager.h"
 #include "gpu/command_buffer/common/constants.h"
 #include "gpu/config/gpu_info.h"
 #include "ipc/ipc_sender.h"
 #include "ipc/message_filter.h"
 #include "ui/gfx/geometry/size.h"
 #include "ui/gfx/gpu_memory_buffer.h"
 #include "ui/gfx/native_widget_types.h"
 #include "url/gurl.h"
 
-#if defined(OS_MACOSX) && !defined(OS_IOS)
-#include "content/common/mac/io_surface_manager_token.h"
-#endif
-
 struct GPUCreateCommandBufferConfig;
 
 namespace IPC {
 struct ChannelHandle;
 }
 
 namespace gpu {
 struct SyncToken;
 }
 
@@ skipping 237 matching lines @@
   // Statics kept around to send to UMA histograms on GPU process lost.
   bool uma_memory_stats_received_;
   GPUMemoryUmaStats uma_memory_stats_;
 
   typedef std::map<int32_t, scoped_refptr<ShaderDiskCache>>
       ClientIdToShaderCacheMap;
   ClientIdToShaderCacheMap client_id_to_shader_cache_;
 
   std::string shader_prefix_key_;
 
-#if defined(OS_MACOSX) && !defined(OS_IOS)
-  // Unique unguessable token that the GPU process is using to register
-  // IOSurfaces.
-  IOSurfaceManagerToken io_surface_manager_token_;
-#endif
-
   // Browser-side Mojo endpoint which sets up a Mojo channel with the child
   // process and contains the browser's ServiceRegistry.
   scoped_ptr<MojoApplicationHost> mojo_application_host_;
 
   DISALLOW_COPY_AND_ASSIGN(GpuProcessHost);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_GPU_GPU_PROCESS_HOST_H_