Revert of Turn on MojoChannel

content/test/render_thread_impl_browser_test_ipc_helper.cc

 // Copyright 2014 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/test/render_thread_impl_browser_test_ipc_helper.h"
 
+#include "content/public/common/mojo_channel_switches.h"
 #include "mojo/edk/embedder/embedder.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace content {
 
 class RenderThreadImplBrowserIPCTestHelper::DummyListener
     : public IPC::Listener {
  public:
   bool OnMessageReceived(const IPC::Message& message) override { return true; }
 };
 
 RenderThreadImplBrowserIPCTestHelper::RenderThreadImplBrowserIPCTestHelper() {
   message_loop_.reset(new base::MessageLoopForIO());
 
   channel_id_ = IPC::Channel::GenerateVerifiedChannelID("");
   dummy_listener_.reset(new DummyListener());
 
   SetupIpcThread();
-  SetupMojo();
+
+  if (ShouldUseMojoChannel()) {
+    SetupMojo();
+  } else {
+    channel_ = IPC::ChannelProxy::Create(channel_id_, IPC::Channel::MODE_SERVER,
+                                         dummy_listener_.get(),
+                                         ipc_thread_->task_runner());
+  }
 }
 
 RenderThreadImplBrowserIPCTestHelper::~RenderThreadImplBrowserIPCTestHelper() {
 }
 
 void RenderThreadImplBrowserIPCTestHelper::SetupIpcThread() {
   ipc_thread_.reset(new base::Thread("test_ipc_thread"));
   base::Thread::Options options;
   options.message_loop_type = base::MessageLoop::TYPE_IO;
   ASSERT_TRUE(ipc_thread_->StartWithOptions(options));
@@ skipping 14 matching lines @@
           mojo::edk::CreateParentMessagePipe(mojo_ipc_token_)),
       dummy_listener_.get(), ipc_thread_->task_runner());
 }
 
 scoped_refptr<base::SingleThreadTaskRunner>
 RenderThreadImplBrowserIPCTestHelper::GetIOTaskRunner() const {
   return ipc_thread_->task_runner();
 }
 
 }  // namespace content