Remove call to MessageLoop::QuitWhenIdle() in auto_thread.cc.

remoting/base/auto_thread.h

Index: remoting/base/auto_thread.h
diff --git a/remoting/base/auto_thread.h b/remoting/base/auto_thread.h
index 943d02f6574fa867da04e4f11c0fe46fc9273851..7cd5cca458c4b629dac8b4a0e947932ca20316eb 100644
--- a/remoting/base/auto_thread.h
+++ b/remoting/base/auto_thread.h
@@ -7,9 +7,11 @@
 
 #include <string>
 
+#include "base/callback_forward.h"
 #include "base/macros.h"
 #include "base/message_loop/message_loop.h"
 #include "base/threading/platform_thread.h"
+#include "base/threading/thread_checker.h"
 #include "build/build_config.h"
 #include "remoting/base/auto_thread_task_runner.h"
 
@@ -81,7 +83,7 @@ class AutoThread : base::PlatformThread::Delegate {
  private:
   AutoThread(const char* name, AutoThreadTaskRunner* joiner);
 
-  void QuitThread(scoped_refptr<base::SingleThreadTaskRunner> task_runner);
+  void QuitThread(const base::Closure& quit_when_idle_closure);
   void JoinAndDeleteThread();
 
   // base::PlatformThread::Delegate methods:
@@ -109,6 +111,9 @@ class AutoThread : base::PlatformThread::Delegate {
   // AutoThreadTaskRunner to post a task to to join & delete this thread.
   scoped_refptr<AutoThreadTaskRunner> joiner_;
 
+  // Verifies that QuitThread() is called on the same thread as ThreadMain().
+  base::ThreadChecker thread_checker_;
+
   DISALLOW_COPY_AND_ASSIGN(AutoThread);
 };