Mojo: Convert OVERRIDE -> override in mojo/{embedder,system}.

mojo/system/platform_handle_dispatcher.h

 // Copyright 2014 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 MOJO_SYSTEM_PLATFORM_HANDLE_DISPATCHER_H_
 #define MOJO_SYSTEM_PLATFORM_HANDLE_DISPATCHER_H_
 
 #include "base/macros.h"
 #include "mojo/embedder/scoped_platform_handle.h"
 #include "mojo/system/simple_dispatcher.h"
 #include "mojo/system/system_impl_export.h"
 
 namespace mojo {
 namespace system {
 
 // A dispatcher that simply wraps/transports a |PlatformHandle| (only for use by
 // the embedder).
 class MOJO_SYSTEM_IMPL_EXPORT PlatformHandleDispatcher
     : public SimpleDispatcher {
  public:
   explicit PlatformHandleDispatcher(
       embedder::ScopedPlatformHandle platform_handle);
 
   embedder::ScopedPlatformHandle PassPlatformHandle();
 
   // |Dispatcher| public methods:
-  virtual Type GetType() const OVERRIDE;
+  virtual Type GetType() const override;
 
   // The "opposite" of |SerializeAndClose()|. (Typically this is called by
   // |Dispatcher::Deserialize()|.)
   static scoped_refptr<PlatformHandleDispatcher> Deserialize(
       Channel* channel,
       const void* source,
       size_t size,
       embedder::PlatformHandleVector* platform_handles);
 
  private:
   virtual ~PlatformHandleDispatcher();
 
   // |Dispatcher| protected methods:
-  virtual void CloseImplNoLock() OVERRIDE;
+  virtual void CloseImplNoLock() override;
   virtual scoped_refptr<Dispatcher>
-      CreateEquivalentDispatcherAndCloseImplNoLock() OVERRIDE;
+  CreateEquivalentDispatcherAndCloseImplNoLock() override;
   virtual void StartSerializeImplNoLock(Channel* channel,
                                         size_t* max_size,
-                                        size_t* max_platform_handles) OVERRIDE;
+                                        size_t* max_platform_handles) override;
   virtual bool EndSerializeAndCloseImplNoLock(
       Channel* channel,
       void* destination,
       size_t* actual_size,
-      embedder::PlatformHandleVector* platform_handles) OVERRIDE;
+      embedder::PlatformHandleVector* platform_handles) override;
 
   embedder::ScopedPlatformHandle platform_handle_;
 
   DISALLOW_COPY_AND_ASSIGN(PlatformHandleDispatcher);
 };
 
 }  // namespace system
 }  // namespace mojo
 
 #endif  // MOJO_SYSTEM_PLATFORM_HANDLE_DISPATCHER_H_