replace OVERRIDE and FINAL with override and final in cc/

cc/layers/picture_layer_unittest.cc

Index: cc/layers/picture_layer_unittest.cc
diff --git a/cc/layers/picture_layer_unittest.cc b/cc/layers/picture_layer_unittest.cc
index 331193f642c4a4370facce0525ac1de3b8e24295..0e3d8fa8ec350956cbf9125040b5c033e2ff3f07 100644
--- a/cc/layers/picture_layer_unittest.cc
+++ b/cc/layers/picture_layer_unittest.cc
@@ -23,9 +23,9 @@ class MockContentLayerClient : public ContentLayerClient {
   virtual void PaintContents(
       SkCanvas* canvas,
       const gfx::Rect& clip,
-      ContentLayerClient::GraphicsContextStatus gc_status) OVERRIDE {}
-  virtual void DidChangeLayerCanUseLCDText() OVERRIDE {}
-  virtual bool FillsBoundsCompletely() const OVERRIDE {
+      ContentLayerClient::GraphicsContextStatus gc_status) override {}
+  virtual void DidChangeLayerCanUseLCDText() override {}
+  virtual bool FillsBoundsCompletely() const override {
     return false;
   };
 };