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

content/plugin/webplugin_delegate_stub.h

Index: content/plugin/webplugin_delegate_stub.h
diff --git a/content/plugin/webplugin_delegate_stub.h b/content/plugin/webplugin_delegate_stub.h
index e0f6526f8b0ec9841567b48e7d560e6a5ef0d1e6..76584485049f27b21ae9f8b8db8026d1502641c2 100644
--- a/content/plugin/webplugin_delegate_stub.h
+++ b/content/plugin/webplugin_delegate_stub.h
@@ -42,10 +42,10 @@ class WebPluginDelegateStub : public IPC::Listener,
                         PluginChannel* channel);
 
   // IPC::Listener implementation:
-  virtual bool OnMessageReceived(const IPC::Message& msg) OVERRIDE;
+  virtual bool OnMessageReceived(const IPC::Message& msg) override;
 
   // IPC::Sender implementation:
-  virtual bool Send(IPC::Message* msg) OVERRIDE;
+  virtual bool Send(IPC::Message* msg) override;
 
   int instance_id() { return instance_id_; }
   WebPluginDelegateImpl* delegate() { return delegate_; }