Adds ripple animation to extension buttons on a toolbar

chrome/browser/ui/views/toolbar/toolbar_action_view.h

Index: chrome/browser/ui/views/toolbar/toolbar_action_view.h
diff --git a/chrome/browser/ui/views/toolbar/toolbar_action_view.h b/chrome/browser/ui/views/toolbar/toolbar_action_view.h
index 73e607ea9ff9a132d245481fefa992bf65612711..243b59a86676b7086ecd2d4268ddfdb46437a87d 100644
--- a/chrome/browser/ui/views/toolbar/toolbar_action_view.h
+++ b/chrome/browser/ui/views/toolbar/toolbar_action_view.h
@@ -9,6 +9,7 @@
 #include "chrome/browser/ui/views/toolbar/toolbar_action_view_delegate_views.h"
 #include "content/public/browser/notification_observer.h"
 #include "content/public/browser/notification_registrar.h"
+#include "ui/views/animation/ink_drop_host.h"
 #include "ui/views/context_menu_controller.h"
 #include "ui/views/controls/button/menu_button.h"
 #include "ui/views/controls/button/menu_button_listener.h"
@@ -27,6 +28,7 @@ class Image;
 }
 
 namespace views {
+class InkDropAnimationController;
 class MenuItemView;
 class MenuRunner;
 }
@@ -39,7 +41,8 @@ class ToolbarActionView : public views::MenuButton,
                           public ToolbarActionViewDelegateViews,
                           public views::MenuButtonListener,
                           public views::ContextMenuController,
-                          public content::NotificationObserver {
+                          public content::NotificationObserver,
+                          public views::InkDropHost {
  public:
   // Need DragController here because ToolbarActionView could be
   // dragged/dropped.
@@ -76,6 +79,7 @@ class ToolbarActionView : public views::MenuButton,
   // views::MenuButtonListener:
   void OnMenuButtonClicked(views::View* sender,
                            const gfx::Point& point) override;
+  void OnMenuButtonClickCanceled(views::View* sender) override;
 
   // content::NotificationObserver:
   void Observe(int type,
@@ -108,9 +112,24 @@ class ToolbarActionView : public views::MenuButton,
 
   views::MenuItemView* menu_for_testing() { return menu_; }
 
+  // views::InkDropHost:
+  void AddInkDropLayer(ui::Layer* ink_drop_layer) override;
+  void RemoveInkDropLayer(ui::Layer* ink_drop_layer) override;
+
+ protected:
+  // Returns the Point where the ink drop should be centered.
+  virtual gfx::Point CalculateInkDropCenter() const;
+
+  views::InkDropAnimationController* ink_drop_animation_controller() {
+    return ink_drop_animation_controller_.get();
+  }
+
  private:
   // views::MenuButton:
   gfx::Size GetPreferredSize() const override;
+  void Layout() override;
+  bool OnMousePressed(const ui::MouseEvent& event) override;
+  void OnGestureEvent(ui::GestureEvent* event) override;
   void OnDragDone() override;
   void ViewHierarchyChanged(
       const ViewHierarchyChangedDetails& details) override;
@@ -172,6 +191,9 @@ class ToolbarActionView : public views::MenuButton,
 
   content::NotificationRegistrar registrar_;
 
+  // Animation controller for the ink drop ripple effect.
+  scoped_ptr<views::InkDropAnimationController> ink_drop_animation_controller_;
+
   base::WeakPtrFactory<ToolbarActionView> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(ToolbarActionView);