mustash: Enable connections to mus from the Chrome renderer [take 2]

content/browser/browser_main_loop.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/browser_main_loop.h"
 
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/feature_list.h"
 #include "base/location.h"
@@ skipping 915 matching lines @@
     TRACE_EVENT_END0("startup", "BrowserMainLoop::CreateThreads:start");
   }
   created_threads_ = true;
   return result_code_;
 }
 
 int BrowserMainLoop::PreMainMessageLoopRun() {
 #if defined(MOJO_SHELL_CLIENT)
   if (IsRunningInMojoShell()) {
     MojoShellConnectionImpl::Create();
+    MojoShellConnection::Get()->BindToCommandLinePlatformChannel();
 #if defined(USE_AURA)
     views::WindowManagerConnection::Create(
         MojoShellConnection::Get()->GetApplication());
 #endif
   }
 #endif
 
   if (parts_) {
     TRACE_EVENT0("startup",
         "BrowserMainLoop::CreateThreads:PreMainMessageLoopRun");
@@ skipping 530 matching lines @@
   DCHECK(is_tracing_startup_for_duration_);
 
   is_tracing_startup_for_duration_ = false;
   TracingController::GetInstance()->StopTracing(
       TracingController::CreateFileSink(
           startup_trace_file_,
           base::Bind(OnStoppedStartupTracing, startup_trace_file_)));
 }
 
 }  // namespace content