replace OVERRIDE and FINAL with override and final in ui/

ui/base/accelerators/platform_accelerator_cocoa.h

Index: ui/base/accelerators/platform_accelerator_cocoa.h
diff --git a/ui/base/accelerators/platform_accelerator_cocoa.h b/ui/base/accelerators/platform_accelerator_cocoa.h
index 3f72cacd84a4d74d72eaa81a52ba24d69ed4e3c4..f14bc4dfb72ca5320e4f8db575c13622f3355acb 100644
--- a/ui/base/accelerators/platform_accelerator_cocoa.h
+++ b/ui/base/accelerators/platform_accelerator_cocoa.h
@@ -20,8 +20,8 @@ class UI_BASE_EXPORT PlatformAcceleratorCocoa : public PlatformAccelerator {
   virtual ~PlatformAcceleratorCocoa();
 
   // PlatformAccelerator:
-  virtual scoped_ptr<PlatformAccelerator> CreateCopy() const OVERRIDE;
-  virtual bool Equals(const PlatformAccelerator& rhs) const OVERRIDE;
+  virtual scoped_ptr<PlatformAccelerator> CreateCopy() const override;
+  virtual bool Equals(const PlatformAccelerator& rhs) const override;
 
   // The keyEquivalent of the NSMenuItem associated with the accelerator.
   NSString* characters() const { return characters_.get(); }