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

content/common/gpu/gpu_channel.cc

Index: content/common/gpu/gpu_channel.cc
diff --git a/content/common/gpu/gpu_channel.cc b/content/common/gpu/gpu_channel.cc
index 3b4647e26e71b40ce399e7b0e7c839d02d29bea6..4290bf91fbe93ffe7c408884bde7d9d6a4f86a2b 100644
--- a/content/common/gpu/gpu_channel.cc
+++ b/content/common/gpu/gpu_channel.cc
@@ -83,17 +83,17 @@ class GpuChannelMessageFilter : public IPC::MessageFilter {
         a_stub_is_descheduled_(false),
         future_sync_points_(future_sync_points) {}
 
-  virtual void OnFilterAdded(IPC::Sender* sender) OVERRIDE {
+  virtual void OnFilterAdded(IPC::Sender* sender) override {
     DCHECK(!sender_);
     sender_ = sender;
   }
 
-  virtual void OnFilterRemoved() OVERRIDE {
+  virtual void OnFilterRemoved() override {
     DCHECK(sender_);
     sender_ = NULL;
   }
 
-  virtual bool OnMessageReceived(const IPC::Message& message) OVERRIDE {
+  virtual bool OnMessageReceived(const IPC::Message& message) override {
     DCHECK(sender_);
 
     bool handled = false;