Add OVERRIDE to base/.

base/message_loop_proxy_impl.h

Index: base/message_loop_proxy_impl.h
diff --git a/base/message_loop_proxy_impl.h b/base/message_loop_proxy_impl.h
index 29663940c5467db839392b2521ea41051fab713b..0c44c826c8751239e7f9a01374de40ffa74bc5e0 100644
--- a/base/message_loop_proxy_impl.h
+++ b/base/message_loop_proxy_impl.h
@@ -23,33 +23,33 @@ class BASE_EXPORT MessageLoopProxyImpl
 
   // MessageLoopProxy implementation
   virtual bool PostTask(const tracked_objects::Location& from_here,
-                        Task* task);
+                        Task* task) OVERRIDE;
   virtual bool PostDelayedTask(const tracked_objects::Location& from_here,
                                Task* task,
-                               int64 delay_ms);
+                               int64 delay_ms) OVERRIDE;
   virtual bool PostNonNestableTask(const tracked_objects::Location& from_here,
-                                   Task* task);
+                                   Task* task) OVERRIDE;
   virtual bool PostNonNestableDelayedTask(
       const tracked_objects::Location& from_here,
       Task* task,
-      int64 delay_ms);
+      int64 delay_ms) OVERRIDE;
   virtual bool PostTask(const tracked_objects::Location& from_here,
-                        const base::Closure& task);
+                        const base::Closure& task) OVERRIDE;
   virtual bool PostDelayedTask(const tracked_objects::Location& from_here,
                                const base::Closure& task,
-                               int64 delay_ms);
+                               int64 delay_ms) OVERRIDE;
   virtual bool PostNonNestableTask(const tracked_objects::Location& from_here,
-                                   const base::Closure& task);
+                                   const base::Closure& task) OVERRIDE;
   virtual bool PostNonNestableDelayedTask(
       const tracked_objects::Location& from_here,
       const base::Closure& task,
-      int64 delay_ms);
-  virtual bool BelongsToCurrentThread();
+      int64 delay_ms) OVERRIDE;
+  virtual bool BelongsToCurrentThread() OVERRIDE;
 
  protected:
   // Override OnDestruct so that we can delete the object on the target message
   // loop if it still exists.
-  virtual void OnDestruct() const;
+  virtual void OnDestruct() const OVERRIDE;
 
  private:
   MessageLoopProxyImpl();