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

content/browser/android/edge_effect_l.h

Index: content/browser/android/edge_effect_l.h
diff --git a/content/browser/android/edge_effect_l.h b/content/browser/android/edge_effect_l.h
index 00064c2656b516f336b45a999820ae85f2b1ce5c..4cf6d1f13d29746eeca4e1aa9998215bcc684591 100644
--- a/content/browser/android/edge_effect_l.h
+++ b/content/browser/android/edge_effect_l.h
@@ -29,21 +29,21 @@ namespace content {
 class EdgeEffectL : public EdgeEffectBase {
  public:
   explicit EdgeEffectL(ui::ResourceManager* resource_manager);
-  virtual ~EdgeEffectL();
+  ~EdgeEffectL() 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);