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

content/browser/android/content_view_core_impl.h

Index: content/browser/android/content_view_core_impl.h
diff --git a/content/browser/android/content_view_core_impl.h b/content/browser/android/content_view_core_impl.h
index 053e0e7a9682fa4daa761f26b11c22b9bf8a3b40..691a659933646ebe8ebb7a22442c635fdeff86ea 100644
--- a/content/browser/android/content_view_core_impl.h
+++ b/content/browser/android/content_view_core_impl.h
@@ -47,20 +47,20 @@ class ContentViewCoreImpl : public ContentViewCore,
                       jobject java_bridge_retained_object_set);
 
   // ContentViewCore implementation.
-  virtual base::android::ScopedJavaLocalRef<jobject> GetJavaObject() override;
-  virtual WebContents* GetWebContents() const override;
-  virtual ui::ViewAndroid* GetViewAndroid() const override;
-  virtual ui::WindowAndroid* GetWindowAndroid() const override;
-  virtual const scoped_refptr<cc::Layer>& GetLayer() const override;
-  virtual void ShowPastePopup(int x, int y) override;
-  virtual void GetScaledContentBitmap(
+  base::android::ScopedJavaLocalRef<jobject> GetJavaObject() override;
+  WebContents* GetWebContents() const override;
+  ui::ViewAndroid* GetViewAndroid() const override;
+  ui::WindowAndroid* GetWindowAndroid() const override;
+  const scoped_refptr<cc::Layer>& GetLayer() const override;
+  void ShowPastePopup(int x, int y) override;
+  void GetScaledContentBitmap(
       float scale,
       SkColorType color_type,
       gfx::Rect src_subrect,
       ReadbackRequestCallback& result_callback) override;
-  virtual float GetDpiScale() const override;
-  virtual void PauseOrResumeGeolocation(bool should_pause) override;
-  virtual void RequestTextSurroundingSelection(
+  float GetDpiScale() const override;
+  void PauseOrResumeGeolocation(bool should_pause) override;
+  void RequestTextSurroundingSelection(
       int max_length,
       const base::Callback<void(const base::string16& content,
                                 int start_offset,
@@ -285,13 +285,13 @@ class ContentViewCoreImpl : public ContentViewCore,
   class ContentViewUserData;
 
   friend class ContentViewUserData;
-  virtual ~ContentViewCoreImpl();
+  ~ContentViewCoreImpl() override;
 
   // WebContentsObserver implementation.
-  virtual void RenderViewReady() override;
-  virtual void RenderViewHostChanged(RenderViewHost* old_host,
-                                     RenderViewHost* new_host) override;
-  virtual void WebContentsDestroyed() override;
+  void RenderViewReady() override;
+  void RenderViewHostChanged(RenderViewHost* old_host,
+                             RenderViewHost* new_host) override;
+  void WebContentsDestroyed() override;
 
   // --------------------------------------------------------------------------
   // Other private methods and data