Revert of Turn on MojoChannel

content/renderer/render_thread_impl.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/renderer/render_thread_impl.h"
 
 #include <algorithm>
 #include <limits>
 #include <map>
 #include <utility>
@@ skipping 64 matching lines @@
 #include "content/common/gpu_process_launch_causes.h"
 #include "content/common/render_frame_setup.mojom.h"
 #include "content/common/render_process_messages.h"
 #include "content/common/resource_messages.h"
 #include "content/common/service_worker/embedded_worker_setup.mojom.h"
 #include "content/common/view_messages.h"
 #include "content/common/worker_messages.h"
 #include "content/public/common/content_constants.h"
 #include "content/public/common/content_paths.h"
 #include "content/public/common/content_switches.h"
+#include "content/public/common/mojo_channel_switches.h"
 #include "content/public/common/renderer_preferences.h"
 #include "content/public/common/url_constants.h"
 #include "content/public/renderer/content_renderer_client.h"
 #include "content/public/renderer/render_thread_observer.h"
 #include "content/public/renderer/render_view_visitor.h"
 #include "content/renderer/bluetooth/bluetooth_message_filter.h"
 #include "content/renderer/browser_plugin/browser_plugin_manager.h"
 #include "content/renderer/cache_storage/cache_storage_dispatcher.h"
 #include "content/renderer/cache_storage/cache_storage_message_filter.h"
 #include "content/renderer/devtools/devtools_agent_filter.h"
@@ skipping 470 matching lines @@
 
 RenderThreadImpl* RenderThreadImpl::current() {
   return lazy_tls.Pointer()->Get();
 }
 
 RenderThreadImpl::RenderThreadImpl(
     const InProcessChildThreadParams& params,
     std::unique_ptr<scheduler::RendererScheduler> scheduler,
     scoped_refptr<base::SingleThreadTaskRunner>& resource_task_queue)
     : ChildThreadImpl(Options::Builder()
-          .InBrowserProcess(params).UseMojoChannel(true).Build()),
+                          .InBrowserProcess(params)
+                          .UseMojoChannel(ShouldUseMojoChannel())
+                          .Build()),
       renderer_scheduler_(std::move(scheduler)),
       raster_worker_pool_(new RasterWorkerPool()) {
   Init(resource_task_queue);
 }
 
 // When we run plugins in process, we actually run them on the render thread,
 // which means that we need to make the render thread pump UI events.
 RenderThreadImpl::RenderThreadImpl(
     std::unique_ptr<base::MessageLoop> main_message_loop,
     std::unique_ptr<scheduler::RendererScheduler> scheduler)
-    : ChildThreadImpl(Options::Builder().UseMojoChannel(true).Build()),
+    : ChildThreadImpl(
+          Options::Builder().UseMojoChannel(ShouldUseMojoChannel()).Build()),
       renderer_scheduler_(std::move(scheduler)),
       main_message_loop_(std::move(main_message_loop)),
       raster_worker_pool_(new RasterWorkerPool()) {
   scoped_refptr<base::SingleThreadTaskRunner> test_task_counter;
   Init(test_task_counter);
 }
 
 void RenderThreadImpl::Init(
     scoped_refptr<base::SingleThreadTaskRunner>& resource_task_queue) {
   TRACE_EVENT0("startup", "RenderThreadImpl::Init");
@@ skipping 1447 matching lines @@
 }
 
 void RenderThreadImpl::PendingRenderFrameConnect::OnConnectionError() {
   size_t erased =
       RenderThreadImpl::current()->pending_render_frame_connects_.erase(
           routing_id_);
   DCHECK_EQ(1u, erased);
 }
 
 }  // namespace content