gpu: Replace GpuMsg_GpuSwitched with mojom api.

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 74 matching lines @@
   // has returned to the message loop as it can be destroyed. Instead store the
   // associated GPU host ID.  This could return NULL if GPU access is not
   // allowed (blacklisted).
   CONTENT_EXPORT static GpuProcessHost* Get(GpuProcessKind kind,
                                             bool force_create = true);
 
   // Retrieves a list of process handles for all gpu processes.
   static void GetProcessHandles(
       const GpuDataManager::GetGpuProcessHandlesCallback& callback);
 
-  // Helper function to send the given message to the GPU process on the IO
-  // thread. Calls Get and if a host is returned, sends it. |force_create| can
-  // be set to force the creation of GpuProcessHost if one doesn't already
-  // exist. This function can be called from any thread. Deletes the message if
-  // it cannot be sent.
-  CONTENT_EXPORT static void SendOnIO(GpuProcessKind kind,
-                                      bool force_create,
-                                      IPC::Message* message);
-
   // Helper function to run a callback on the IO thread. The callback receives
   // the appropriate GpuProcessHost instance. Note that the callback can be
   // called with a null host (e.g. when |force_create| is false, and no
   // GpuProcessHost instance exists).
   CONTENT_EXPORT static void CallOnIO(
       GpuProcessKind kind,
       bool force_create,
       const base::Callback<void(GpuProcessHost*)>& callback);
 
   service_manager::InterfaceProvider* GetRemoteInterfaces();
@@ skipping 186 matching lines @@
   gpu::GpuProcessHostActivityFlags activity_flags_;
 
   base::WeakPtrFactory<GpuProcessHost> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(GpuProcessHost);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_GPU_GPU_PROCESS_HOST_H_