Update {virtual,override,final} to follow C++11 style.

content/test/test_render_view_host.h

Index: content/test/test_render_view_host.h
diff --git a/content/test/test_render_view_host.h b/content/test/test_render_view_host.h
index 6769357858515ddd2531b1e68df4fa046d60d87b..4e0aa6a32fd892cd715024690a5575f6423aeb6f 100644
--- a/content/test/test_render_view_host.h
+++ b/content/test/test_render_view_host.h
@@ -124,8 +124,8 @@ class TestRenderWidgetHostView : public RenderWidgetHostViewBase {
       const NativeWebKeyboardEvent& event) override;
 #endif
 #if defined(OS_ANDROID)
-  virtual void LockCompositingSurface() override {}
-  virtual void UnlockCompositingSurface() override {}
+  void LockCompositingSurface() override {}
+  void UnlockCompositingSurface() override {}
 #endif
   void GetScreenInfo(blink::WebScreenInfo* results) override {}
   gfx::Rect GetBoundsInRootWindow() override;