Use ChannelMojo for GpuChannels.

gpu/ipc/service/gpu_channel_test_common.cc

 // Copyright (c) 2015 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 "gpu/ipc/service/gpu_channel_test_common.h"
 
 #include "base/memory/ptr_util.h"
 #include "base/test/test_simple_task_runner.h"
 #include "base/threading/thread_task_runner_handle.h"
 #include "gpu/command_buffer/service/sync_point_manager.h"
@@ skipping 102 matching lines @@
   // Call stubs here so that any IPC messages sent are handled using the
   // overridden Send method.
   stubs_.clear();
 }
 
 base::ProcessId TestGpuChannel::GetClientPID() const {
   return base::kNullProcessId;
 }
 
 IPC::ChannelHandle TestGpuChannel::Init(base::WaitableEvent* shutdown_event) {
+  channel_id_ = "ChannelMojo-gpu";
   filter_->OnFilterAdded(&sink_);
   return IPC::ChannelHandle(channel_id());
 }
 
 bool TestGpuChannel::Send(IPC::Message* msg) {
   DCHECK(!msg->is_sync());
   return sink_.Send(msg);
 }
 
 // TODO(sunnyps): Use a mock memory buffer factory when necessary.
@@ skipping 15 matching lines @@
       io_task_runner_.get(), sync_point_manager_.get(), nullptr));
 }
 
 void GpuChannelTestCommon::TearDown() {
   // Destroying channels causes tasks to run on the IO task runner.
   channel_manager_ = nullptr;
 }
 
 
 }  // namespace gpu