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

content/browser/renderer_host/render_process_host_impl.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_RENDERER_HOST_RENDER_PROCESS_HOST_IMPL_H_
 #define CONTENT_BROWSER_RENDERER_HOST_RENDER_PROCESS_HOST_IMPL_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
@@ skipping 12 matching lines @@
 #include "content/browser/power_monitor_message_broadcaster.h"
 #include "content/common/content_export.h"
 #include "content/common/mojo/service_registry_impl.h"
 #include "content/public/browser/render_process_host.h"
 #include "ipc/ipc_channel_proxy.h"
 #include "ipc/ipc_platform_file.h"
 #include "mojo/public/cpp/bindings/interface_ptr.h"
 #include "ui/gfx/gpu_memory_buffer.h"
 #include "ui/gl/gpu_switching_observer.h"
 
-#if defined(OS_MACOSX) && !defined(OS_IOS)
-#include "content/common/mac/io_surface_manager_token.h"
-#endif
-
 namespace base {
 class CommandLine;
 class MessageLoop;
 }
 
 namespace gfx {
 class Size;
 }
 
 namespace gpu {
@@ skipping 444 matching lines @@
   SubscriptionSet subscription_set_;
 
   // Maintains ValueStates which are not currently subscribed too so we can
   // pass them to the GpuService if a Valuebuffer ever subscribes to the
   // respective subscription target
   scoped_refptr<gpu::ValueStateMap> pending_valuebuffer_state_;
 
   // Whether or not the CHROMIUM_subscribe_uniform WebGL extension is enabled
   bool subscribe_uniform_enabled_;
 
-#if defined(OS_MACOSX) && !defined(OS_IOS)
-  // Unique unguessable token that the child process is using to acquire
-  // IOSurface references.
-  IOSurfaceManagerToken io_surface_manager_token_;
-#endif
-
   bool channel_connected_;
   bool sent_render_process_ready_;
 
 #if defined(OS_ANDROID)
   // UI thread is the source of sync IPCs and all shutdown signals.
   // Therefore a proper shutdown event to unblock the UI thread is not
   // possible without massive refactoring shutdown code.
   // Luckily Android never performs a clean shutdown. So explicitly
   // ignore this problem.
   base::WaitableEvent never_signaled_;
 #endif
 
   base::WeakPtrFactory<RenderProcessHostImpl> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(RenderProcessHostImpl);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_RENDERER_HOST_RENDER_PROCESS_HOST_IMPL_H_