Update mojo sdk to rev 3d23dae011859a2aae49f1d1adde705c8e85d819

content/test/render_thread_impl_browser_test_ipc_helper.cc

Index: content/test/render_thread_impl_browser_test_ipc_helper.cc
diff --git a/content/test/render_thread_impl_browser_test_ipc_helper.cc b/content/test/render_thread_impl_browser_test_ipc_helper.cc
index 59d09c240fb33da6f6d07c0f608adf1e2b0f38aa..3075f753225d4e343b457dcfeb98b8a0cb1aea42 100644
--- a/content/test/render_thread_impl_browser_test_ipc_helper.cc
+++ b/content/test/render_thread_impl_browser_test_ipc_helper.cc
@@ -4,6 +4,7 @@
 
 #include "content/test/render_thread_impl_browser_test_ipc_helper.h"
 
+#include "content/common/mojo/channel_init.h"
 #include "ipc/mojo/ipc_channel_mojo_host.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
@@ -40,13 +41,17 @@ void RenderThreadImplBrowserIPCTestHelper::SetupIpcThread() {
   base::Thread::Options options;
   options.message_loop_type = base::MessageLoop::TYPE_IO;
   ASSERT_TRUE(ipc_thread_->StartWithOptions(options));
+  ChannelInit::SetSingleProcessIOTaskRunner(ipc_thread_->task_runner());
 }
 
 void RenderThreadImplBrowserIPCTestHelper::SetupMojo() {
   InitializeMojo();
 
+  ipc_support_.reset(new IPC::ScopedIPCSupport(ipc_thread_->task_runner()));
   mojo_host_.reset(new IPC::ChannelMojoHost(ipc_thread_->task_runner()));
   mojo_application_host_.reset(new MojoApplicationHost());
+  mojo_application_host_->OverrideIOTaskRunnerForTest(
+      ipc_thread_->task_runner());
 
   channel_ = IPC::ChannelProxy::Create(
       IPC::ChannelMojo::CreateServerFactory(mojo_host_->channel_delegate(),