replace OVERRIDE and FINAL with override and final in chromecast/

chromecast/media/cma/ipc/media_message_fifo_unittest.cc

Index: chromecast/media/cma/ipc/media_message_fifo_unittest.cc
diff --git a/chromecast/media/cma/ipc/media_message_fifo_unittest.cc b/chromecast/media/cma/ipc/media_message_fifo_unittest.cc
index bb1eef3848da9df6fb6f9426d5e32368df9cd42e..bc04b70a0cc5da9c4746b56c6c8876e9f70930ca 100644
--- a/chromecast/media/cma/ipc/media_message_fifo_unittest.cc
+++ b/chromecast/media/cma/ipc/media_message_fifo_unittest.cc
@@ -24,9 +24,9 @@ class FifoMemoryChunk : public MediaMemoryChunk {
       : mem_(mem), size_(size) {}
   virtual ~FifoMemoryChunk() {}
 
-  virtual void* data() const OVERRIDE { return mem_; }
-  virtual size_t size() const OVERRIDE { return size_; }
-  virtual bool valid() const OVERRIDE { return true; }
+  virtual void* data() const override { return mem_; }
+  virtual size_t size() const override { return size_; }
+  virtual bool valid() const override { return true; }
 
  private:
   void* mem_;