Add OVERRIDE to base/.

base/message_loop.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 BASE_MESSAGE_LOOP_H_
 #define BASE_MESSAGE_LOOP_H_
 #pragma once
 
 #include <queue>
 #include <string>
@@ skipping 234 matching lines @@
 
   // This method is a variant of Quit, that does not wait for pending messages
   // to be processed before returning from Run.
   void QuitNow();
 
   // Invokes Quit on the current MessageLoop when run.  Useful to schedule an
   // arbitrary MessageLoop to Quit.
   // TODO(jhawkins): Remove once task.h is removed.
   class QuitTask : public Task {
    public:
-    virtual void Run() {
+    virtual void Run() OVERRIDE {
       MessageLoop::current()->Quit();
     }
   };
 
   // Invokes Quit on the current MessageLoop when run. Useful to schedule an
   // arbitrary MessageLoop to Quit.
   static base::Closure QuitClosure();
 
   // Returns the type passed to the constructor.
   Type type() const { return type_; }
@@ skipping 236 matching lines @@
   // Start recording histogram info about events and action IF it was enabled
   // and IF the statistics recorder can accept a registration of our histogram.
   void StartHistogrammer();
 
   // Add occurence of event to our histogram, so that we can see what is being
   // done in a specific MessageLoop instance (i.e., specific thread).
   // If message_histogram_ is NULL, this is a no-op.
   void HistogramEvent(int event);
 
   // base::MessagePump::Delegate methods:
-  virtual bool DoWork();
-  virtual bool DoDelayedWork(base::TimeTicks* next_delayed_work_time);
-  virtual bool DoIdleWork();
+  virtual bool DoWork() OVERRIDE;
+  virtual bool DoDelayedWork(base::TimeTicks* next_delayed_work_time) OVERRIDE;
+  virtual bool DoIdleWork() OVERRIDE;
 
   Type type_;
 
   // A list of tasks that need to be processed by this instance.  Note that
   // this queue is only accessed (push/pop) by our current thread.
   TaskQueue work_queue_;
 
   // Contains delayed tasks, sorted by their 'delayed_run_time' property.
   DelayedTaskQueue delayed_work_queue_;
 
@@ skipping 173 matching lines @@
 #endif  // defined(OS_POSIX)
 };
 
 // Do not add any member variables to MessageLoopForIO!  This is important b/c
 // MessageLoopForIO is often allocated via MessageLoop(TYPE_IO).  Any extra
 // data that you need should be stored on the MessageLoop's pump_ instance.
 COMPILE_ASSERT(sizeof(MessageLoop) == sizeof(MessageLoopForIO),
                MessageLoopForIO_should_not_have_extra_member_variables);
 
 #endif  // BASE_MESSAGE_LOOP_H_