Added hover feedback on touch to launcher buttons.

ash/launcher/launcher_button.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef ASH_LAUNCHER_LAUNCHER_BUTTON_H_
 #define ASH_LAUNCHER_LAUNCHER_BUTTON_H_
 #pragma once
 
 #include "base/memory/scoped_ptr.h"
 #include "ui/views/controls/button/custom_button.h"
@@ skipping 64 matching lines @@
 
    private:
     // Set to non-zero to force icons to be resized to fit within a square,
     // while maintaining original proportions.
     int icon_size_;
 
     DISALLOW_COPY_AND_ASSIGN(IconView);
   };
 
   // View overrides:
+  virtual ui::GestureStatus OnGestureEvent(const views::GestureEvent& event)
+      OVERRIDE;

[flackr, 2012/07/05 14:11:12]

In general I think we try to order these in the same order as the class they
come from. In this case it would be after OnMouseExited.

[Kevin Greer, 2012/07/05 18:35:04]

Done.

   virtual bool OnMousePressed(const views::MouseEvent& event) OVERRIDE;
   virtual void OnMouseReleased(const views::MouseEvent& event) OVERRIDE;
   virtual void OnMouseCaptureLost() OVERRIDE;
   virtual bool OnMouseDragged(const views::MouseEvent& event) OVERRIDE;
   virtual void OnMouseMoved(const views::MouseEvent& event) OVERRIDE;
   virtual void OnMouseEntered(const views::MouseEvent& event) OVERRIDE;
   virtual void OnMouseExited(const views::MouseEvent& event) OVERRIDE;
   virtual void GetAccessibleState(ui::AccessibleViewState* state) OVERRIDE;
   virtual void Layout() OVERRIDE;
   virtual void OnFocus() OVERRIDE;
@@ skipping 32 matching lines @@
   // has a STATE_PENDING bit and destroyed when that bit is clear.
   scoped_ptr<IconPulseAnimation> icon_pulse_animation_;
 
   DISALLOW_COPY_AND_ASSIGN(LauncherButton);
 };
 
 }  // namespace internal
 }  // namespace ash
 
 #endif  // ASH_LAUNCHER_LAUNCHER_BUTTON_H_