Revert "gpu: Use mojom API for creating gpu channel."

content/gpu/gpu_child_thread.cc

 // 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.
 
 #include "content/gpu/gpu_child_thread.h"
 
 #include <stddef.h>
 #include <utility>
 
 #include "base/bind.h"
@@ skipping 251 matching lines @@
 
   return handled;
 }
 
 bool GpuChildThread::OnMessageReceived(const IPC::Message& msg) {
   if (ChildThreadImpl::OnMessageReceived(msg))
     return true;
 
   bool handled = true;
   IPC_BEGIN_MESSAGE_MAP(GpuChildThread, msg)
+    IPC_MESSAGE_HANDLER(GpuMsg_EstablishChannel, OnEstablishChannel)
     IPC_MESSAGE_HANDLER(GpuMsg_CloseChannel, OnCloseChannel)
     IPC_MESSAGE_HANDLER(GpuMsg_DestroyGpuMemoryBuffer, OnDestroyGpuMemoryBuffer)
     IPC_MESSAGE_HANDLER(GpuMsg_LoadedShader, OnLoadedShader)
 #if defined(OS_ANDROID)
     IPC_MESSAGE_HANDLER(GpuMsg_WakeUpGpu, OnWakeUpGpu);
     IPC_MESSAGE_HANDLER(GpuMsg_DestroyingVideoSurface,
                         OnDestroyingVideoSurface);
 #endif
     IPC_MESSAGE_UNHANDLED(handled = false)
   IPC_END_MESSAGE_MAP()
@@ skipping 166 matching lines @@
 }
 #endif
 
 void GpuChildThread::OnGpuSwitched() {
   DVLOG(1) << "GPU: GPU has switched";
   // Notify observers in the GPU process.
   if (!in_browser_process_)
     ui::GpuSwitchingManager::GetInstance()->NotifyGpuSwitched();
 }
 
+void GpuChildThread::OnEstablishChannel(const EstablishChannelParams& params) {
+  if (!gpu_channel_manager())
+    return;
+
+  IPC::ChannelHandle channel_handle = gpu_channel_manager()->EstablishChannel(
+      params.client_id, params.client_tracing_id, params.preempts,
+      params.allow_view_command_buffers, params.allow_real_time_streams);
+  gpu_service_->media_gpu_channel_manager()->AddChannel(params.client_id);
+  Send(new GpuHostMsg_ChannelEstablished(channel_handle));
+}
+
 void GpuChildThread::OnCloseChannel(int32_t client_id) {
   if (gpu_channel_manager())
     gpu_channel_manager()->RemoveChannel(client_id);
 }
 
 void GpuChildThread::OnLoadedShader(const std::string& shader) {
   if (gpu_channel_manager())
     gpu_channel_manager()->PopulateShaderCache(shader);
 }
 
@@ skipping 19 matching lines @@
 
 void GpuChildThread::BindServiceFactoryRequest(
     service_manager::mojom::ServiceFactoryRequest request) {
   DVLOG(1) << "GPU: Binding service_manager::mojom::ServiceFactoryRequest";
   DCHECK(service_factory_);
   service_factory_bindings_.AddBinding(service_factory_.get(),
                                        std::move(request));
 }
 
 }  // namespace content