remove some new OVERRIDE instances in ui/

ui/compositor/compositor.cc

Index: ui/compositor/compositor.cc
diff --git a/ui/compositor/compositor.cc b/ui/compositor/compositor.cc
index 4d07e1ee1d0c31001fd5aea5f39da6fe87217315..8f1054fdbfde24f7a85063c772a9fd482be104d5 100644
--- a/ui/compositor/compositor.cc
+++ b/ui/compositor/compositor.cc
@@ -74,15 +74,15 @@ class SatisfySwapPromise : public cc::SwapPromise {
   explicit SatisfySwapPromise(uint32_t id) : id_(id) {}
 
  private:
-  virtual void DidSwap(cc::CompositorFrameMetadata* metadata) OVERRIDE {
+  virtual void DidSwap(cc::CompositorFrameMetadata* metadata) override {
     metadata->satisfies_sequences.push_back(id_);
   }
 
-  virtual void DidNotSwap(DidNotSwapReason reason) OVERRIDE {
+  virtual void DidNotSwap(DidNotSwapReason reason) override {
     // TODO(jbauman): Send to the SurfaceManager immediately.
     DCHECK(false);
   }
-  virtual int64 TraceId() const OVERRIDE { return 0; }
+  virtual int64 TraceId() const override { return 0; }
   uint32_t id_;
 };