Replace OVERRIDE and FINAL with override and final in content/common/[a-s]*

content/common/gpu/media/gpu_video_decode_accelerator.cc

Index: content/common/gpu/media/gpu_video_decode_accelerator.cc
diff --git a/content/common/gpu/media/gpu_video_decode_accelerator.cc b/content/common/gpu/media/gpu_video_decode_accelerator.cc
index 025d971074f1724d700f965fe4bd914ea5a02a76..a830c2ece618c11e30b2921074d6186a8c401786 100644
--- a/content/common/gpu/media/gpu_video_decode_accelerator.cc
+++ b/content/common/gpu/media/gpu_video_decode_accelerator.cc
@@ -76,20 +76,20 @@ class GpuVideoDecodeAccelerator::MessageFilter : public IPC::MessageFilter {
   MessageFilter(GpuVideoDecodeAccelerator* owner, int32 host_route_id)
       : owner_(owner), host_route_id_(host_route_id) {}
 
-  virtual void OnChannelError() OVERRIDE { sender_ = NULL; }
+  virtual void OnChannelError() override { sender_ = NULL; }
 
-  virtual void OnChannelClosing() OVERRIDE { sender_ = NULL; }
+  virtual void OnChannelClosing() override { sender_ = NULL; }
 
-  virtual void OnFilterAdded(IPC::Sender* sender) OVERRIDE {
+  virtual void OnFilterAdded(IPC::Sender* sender) override {
     sender_ = sender;
   }
 
-  virtual void OnFilterRemoved() OVERRIDE {
+  virtual void OnFilterRemoved() override {
     // This will delete |owner_| and |this|.
     owner_->OnFilterRemoved();
   }
 
-  virtual bool OnMessageReceived(const IPC::Message& msg) OVERRIDE {
+  virtual bool OnMessageReceived(const IPC::Message& msg) override {
     if (msg.routing_id() != host_route_id_)
       return false;