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 19db601bd4259643ec4d5a6c19e8b5d3521556f4..7d8a3cc822147d7662d4e27b45393732bc230587 100644
--- a/chrome/browser/ui/views/toolbar/toolbar_action_view.h
+++ b/chrome/browser/ui/views/toolbar/toolbar_action_view.h
@@ -8,6 +8,7 @@
 #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"
@@ -26,6 +27,7 @@ class Image;
 }
 
 namespace views {
+class InkDropAnimationController;
 class MenuRunner;
 }
 
@@ -37,7 +39,8 @@ 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.
@@ -98,9 +101,24 @@ class ToolbarActionView : public views::MenuButton,
 
   bool wants_to_run_for_testing() const { return wants_to_run_; }
 
+  // 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 OnMouseReleased(const ui::MouseEvent& event) override;
   void OnDragDone() override;
   void ViewHierarchyChanged(
       const ViewHierarchyChangedDetails& details) override;
@@ -146,6 +164,9 @@ class ToolbarActionView : public views::MenuButton,
   // tab.
   bool wants_to_run_;
 
+  // Animation controller for the ink drop ripple effect.
+  scoped_ptr<views::InkDropAnimationController> ink_drop_animation_controller_;
+
   // Responsible for running the menu.
   scoped_ptr<views::MenuRunner> menu_runner_;