Revert of Turn on MojoChannel

content/renderer/render_thread_impl.cc

Index: content/renderer/render_thread_impl.cc
diff --git a/content/renderer/render_thread_impl.cc b/content/renderer/render_thread_impl.cc
index 2977bc0e0a12aaf28ccf7d62a0a3a64566fae14f..bb7fee61414f03142640573c3b07faf8a0121217 100644
--- a/content/renderer/render_thread_impl.cc
+++ b/content/renderer/render_thread_impl.cc
@@ -82,6 +82,7 @@
 #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"
@@ -572,7 +573,9 @@
     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);
@@ -583,7 +586,8 @@
 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()) {