Add the UI thread to the list of ChromeThreads.

base/thread.h

 // Copyright (c) 2006-2009 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.
 
 #ifndef BASE_THREAD_H_
 #define BASE_THREAD_H_
 
 #include <string>
 
 #include "base/message_loop.h"
@@ skipping 102 matching lines @@
  protected:
   // Called just prior to starting the message loop
   virtual void Init() {}
 
   // Called just after the message loop ends
   virtual void CleanUp() {}
 
   static void SetThreadWasQuitProperly(bool flag);
   static bool GetThreadWasQuitProperly();
 
+  void set_message_loop(MessageLoop* message_loop) {
+    message_loop_ = message_loop;
+  }
+
  private:
   // PlatformThread::Delegate methods:
   virtual void ThreadMain();
 
   // We piggy-back on the startup_data_ member to know if we successfully
   // started the thread.  This way we know that we need to call Join.
   bool thread_was_started() const { return startup_data_ != NULL; }
 
   // Used to pass data to ThreadMain.
   struct StartupData;
@@ skipping 13 matching lines @@
   std::string name_;
 
   friend class ThreadQuitTask;
 
   DISALLOW_COPY_AND_ASSIGN(Thread);
 };
 
 }  // namespace base
 
 #endif  // BASE_THREAD_H_