replace OVERRIDE and FINAL with override and final in cc/

cc/layers/picture_image_layer_impl.h

Index: cc/layers/picture_image_layer_impl.h
diff --git a/cc/layers/picture_image_layer_impl.h b/cc/layers/picture_image_layer_impl.h
index cb48cf5e50909fc56241a397ff30963b1dca7f0e..db36a1381921033150ac9dd2a2550b368c4cd2c7 100644
--- a/cc/layers/picture_image_layer_impl.h
+++ b/cc/layers/picture_image_layer_impl.h
@@ -18,19 +18,19 @@ class CC_EXPORT PictureImageLayerImpl : public PictureLayerImpl {
   virtual ~PictureImageLayerImpl();
 
   // LayerImpl overrides.
-  virtual const char* LayerTypeAsString() const OVERRIDE;
+  virtual const char* LayerTypeAsString() const override;
   virtual scoped_ptr<LayerImpl> CreateLayerImpl(
-      LayerTreeImpl* tree_impl) OVERRIDE;
+      LayerTreeImpl* tree_impl) override;
 
  protected:
   PictureImageLayerImpl(LayerTreeImpl* tree_impl, int id);
 
-  virtual bool ShouldAdjustRasterScale() const OVERRIDE;
-  virtual void RecalculateRasterScales() OVERRIDE;
+  virtual bool ShouldAdjustRasterScale() const override;
+  virtual void RecalculateRasterScales() override;
   virtual void GetDebugBorderProperties(
-      SkColor* color, float* width) const OVERRIDE;
+      SkColor* color, float* width) const override;
 
-  virtual void UpdateIdealScales() OVERRIDE;
+  virtual void UpdateIdealScales() override;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(PictureImageLayerImpl);