Always use ChannelMojo for content child processes.

content/browser/gpu/gpu_process_host.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/browser/gpu/gpu_process_host.h"
 
 #include <stddef.h>
 
 #include <algorithm>
 #include <list>
@@ skipping 41 matching lines @@
 #include "content/public/common/mojo_channel_switches.h"
 #include "content/public/common/mojo_shell_connection.h"
 #include "content/public/common/result_codes.h"
 #include "content/public/common/sandbox_type.h"
 #include "content/public/common/sandboxed_process_launcher_delegate.h"
 #include "content/public/common/service_names.h"
 #include "gpu/command_buffer/service/gpu_preferences.h"
 #include "gpu/command_buffer/service/gpu_switches.h"
 #include "gpu/ipc/service/switches.h"
 #include "ipc/ipc_channel_handle.h"
-#include "ipc/ipc_switches.h"
 #include "ipc/message_filter.h"
 #include "media/base/media_switches.h"
 #include "mojo/edk/embedder/embedder.h"
 #include "services/shell/public/cpp/connection.h"
 #include "services/shell/public/cpp/interface_provider.h"
 #include "services/shell/runner/common/client_util.h"
 #include "ui/base/ui_base_switches.h"
 #include "ui/events/latency_info.h"
 #include "ui/gl/gl_switches.h"
 
@@ skipping 494 matching lines @@
   }
 
   process_->GetHost()->CreateChannelMojo();
 
   gpu::GpuPreferences gpu_preferences = GetGpuPreferencesFromCommandLine();
   if (in_process_) {
     DCHECK_CURRENTLY_ON(BrowserThread::IO);
     DCHECK(g_gpu_main_thread_factory);
     in_process_gpu_thread_.reset(g_gpu_main_thread_factory(
         InProcessChildThreadParams(
-            std::string(), base::ThreadTaskRunnerHandle::Get(),
+            base::ThreadTaskRunnerHandle::Get(),
             process_->child_connection()->service_token()),
         gpu_preferences));
     base::Thread::Options options;
 #if defined(OS_WIN)
     // WGL needs to create its own window and pump messages on it.
     options.message_loop_type = base::MessageLoop::TYPE_UI;
 #endif
 #if defined(OS_ANDROID) || defined(OS_CHROMEOS)
     options.priority = base::ThreadPriority::DISPLAY;
 #endif
@@ skipping 577 matching lines @@
   TRACE_EVENT0("gpu", "GpuProcessHost::OnCacheShader");
   ClientIdToShaderCacheMap::iterator iter =
       client_id_to_shader_cache_.find(client_id);
   // If the cache doesn't exist then this is an off the record profile.
   if (iter == client_id_to_shader_cache_.end())
     return;
   iter->second->Cache(GetShaderPrefixKey() + ":" + key, shader);
 }
 
 }  // namespace content