Revert of Use ChannelMojo for the Browser-GPU IPC 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 155 matching lines @@
   g_thread_safe_sender.Get() = thread_safe_sender();
   g_lazy_tls.Pointer()->Set(this);
 }
 
 GpuChildThread::GpuChildThread(
     const gpu::GpuPreferences& gpu_preferences,
     const InProcessChildThreadParams& params,
     gpu::GpuMemoryBufferFactory* gpu_memory_buffer_factory)
     : ChildThreadImpl(ChildThreadImpl::Options::Builder()
                           .InBrowserProcess(params)
-                          .UseMojoChannel(true)
                           .AddStartupFilter(new GpuMemoryBufferMessageFilter(
                               gpu_memory_buffer_factory))
                           .Build()),
       gpu_preferences_(gpu_preferences),
       dead_on_arrival_(false),
       in_browser_process_(true),
       gpu_memory_buffer_factory_(gpu_memory_buffer_factory) {
 #if defined(OS_WIN)
   target_services_ = NULL;
 #endif
@@ skipping 399 matching lines @@
 
 void GpuChildThread::BindProcessControlRequest(
     mojo::InterfaceRequest<mojom::ProcessControl> request) {
   DVLOG(1) << "GPU: Binding ProcessControl request";
   DCHECK(process_control_);
   process_control_bindings_.AddBinding(process_control_.get(),
                                        std::move(request));
 }
 
 }  // namespace content