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

content/browser/android/edge_effect.h

Index: content/browser/android/edge_effect.h
diff --git a/content/browser/android/edge_effect.h b/content/browser/android/edge_effect.h
index 7b0e2e426ffe37fad24852b3ee54b209546a4daa..888c28e764252f0ab416148f725efe3becf78d87 100644
--- a/content/browser/android/edge_effect.h
+++ b/content/browser/android/edge_effect.h
@@ -26,21 +26,21 @@ class EdgeEffect : public EdgeEffectBase {
  public:
   explicit EdgeEffect(ui::ResourceManager* resource_manager,
                       float device_scale_factor);
-  virtual ~EdgeEffect();
+  ~EdgeEffect() override;
 
-  virtual void Pull(base::TimeTicks current_time,
-                    float delta_distance,
-                    float displacement) override;
-  virtual void Absorb(base::TimeTicks current_time, float velocity) override;
-  virtual bool Update(base::TimeTicks current_time) override;
-  virtual void Release(base::TimeTicks current_time) override;
+  void Pull(base::TimeTicks current_time,
+            float delta_distance,
+            float displacement) override;
+  void Absorb(base::TimeTicks current_time, float velocity) override;
+  bool Update(base::TimeTicks current_time) override;
+  void Release(base::TimeTicks current_time) override;
 
-  virtual void Finish() override;
-  virtual bool IsFinished() const override;
+  void Finish() override;
+  bool IsFinished() const override;
 
-  virtual void ApplyToLayers(const gfx::SizeF& size,
-                             const gfx::Transform& transform) override;
-  virtual void SetParent(cc::Layer* parent) override;
+  void ApplyToLayers(const gfx::SizeF& size,
+                     const gfx::Transform& transform) override;
+  void SetParent(cc::Layer* parent) override;
 
   // Thread-safe trigger to load resources.
   static void PreloadResources(ui::ResourceManager* resource_manager);