Remove IOThread::message_loop().

content/public/browser/browser_thread.h

 // Copyright (c) 2011 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 CONTENT_PUBLIC_BROWSER_BROWSER_THREAD_H_
 #define CONTENT_PUBLIC_BROWSER_BROWSER_THREAD_H_
 #pragma once
 
 #include "base/basictypes.h"
 #include "base/callback.h"
 #include "base/task.h"
 #include "base/tracked_objects.h"
 #include "content/common/content_export.h"
 #include "content/public/browser/browser_thread_delegate.h"
 
 #if defined(UNIT_TEST)
 #include "base/logging.h"
 #endif  // UNIT_TEST
 
+class MessageLoop;
+
 namespace base {
 class MessageLoopProxy;
 class Thread;
 }
 
 namespace content {
 
 class BrowserThreadImpl;
 
 ///////////////////////////////////////////////////////////////////////////////
@@ skipping 142 matching lines @@
       ID identifier);
 
   // Gets the Thread object for the specified thread, or NULL if the
   // thread has not been created (or has been destroyed during
   // shutdown).
   //
   // Before calling this, you must have called content::ContentMain
   // with a command-line that would specify a browser process (e.g. an
   // empty command line).
   //
-  // This is unsafe as your pointer may become invalid close to
-  // shutdown.
+  // It is unsafe to store this pointer as it may become invalid close
+  // to shutdown.
   //
   // TODO(joi): Remove this once clients such as BrowserProcessImpl
   // (and classes that call things like
   // g_browser_process->file_thread()) are switched to using
   // MessageLoopProxy.
   static base::Thread* UnsafeGetBrowserThread(ID identifier);
 
+  // Gets the MessageLoop for the specified thread, or NULL if the
+  // thread has not been created (or has been destroyed during
+  // shutdown).
+  //
+  // Before calling this, you must have called content::ContentMain
+  // with a command-line that would specify a browser process (e.g. an
+  // empty command line).
+  //
+  // It is unsafe to store this pointer as it may become invalid close
+  // to shutdown.
+  //
+  // TODO(joi): Remove this once clients such as BrowserProcessImpl
+  // (and classes that call things like
+  // g_browser_process->file_thread()) are switched to using
+  // MessageLoopProxy.
+  static MessageLoop* UnsafeGetMessageLoop(ID identifier);
+
   // Sets the delegate for the specified BrowserThread.
   //
   // Only one delegate may be registered at a time.  Delegates may be
   // unregistered by providing a NULL pointer.
   //
   // If the caller unregisters a delegate before CleanUp has been
   // called, it must perform its own locking to ensure the delegate is
   // not deleted while unregistering.
   static void SetDelegate(ID identifier, BrowserThreadDelegate* delegate);
 
@@ skipping 42 matching lines @@
  private:
   friend class BrowserThreadImpl;
 
   BrowserThread() {}
   DISALLOW_COPY_AND_ASSIGN(BrowserThread);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_PUBLIC_BROWSER_BROWSER_THREAD_H_