Replace FINAL and OVERRIDE with their C++11 counterparts in content/renderer

content/renderer/render_thread_impl_browsertest.cc

Index: content/renderer/render_thread_impl_browsertest.cc
diff --git a/content/renderer/render_thread_impl_browsertest.cc b/content/renderer/render_thread_impl_browsertest.cc
index 099da86004b9445a39a15722927633423d1a2274..df4f9864ef53efcddc229dba23cf17262d2e6bf4 100644
--- a/content/renderer/render_thread_impl_browsertest.cc
+++ b/content/renderer/render_thread_impl_browsertest.cc
@@ -24,7 +24,7 @@ class RenderThreadImplBrowserTest : public testing::Test {
 
 class DummyListener : public IPC::Listener {
  public:
-  virtual bool OnMessageReceived(const IPC::Message& message) OVERRIDE {
+  virtual bool OnMessageReceived(const IPC::Message& message) override {
     return true;
   }
 };