Enlarge size of touch target for several location bar buttons without affecting visual layout.

chrome/browser/ui/views/location_bar/star_view.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 CHROME_BROWSER_UI_VIEWS_LOCATION_BAR_STAR_VIEW_H_
 #define CHROME_BROWSER_UI_VIEWS_LOCATION_BAR_STAR_VIEW_H_
 #pragma once
 
+#include "chrome/browser/ui/views/location_bar/touchable_location_bar_view.h"
 #include "ui/views/controls/image_view.h"
 
 class CommandUpdater;
 
 namespace views {
 class KeyEvent;
 class MouseEvent;
 }
 
-class StarView : public views::ImageView {
+class StarView
+    : public views::ImageView,
+      public TouchableLocationBarView {
  public:
   explicit StarView(CommandUpdater* command_updater);
   virtual ~StarView();
 
   // Toggles the star on or off.
   void SetToggled(bool on);
 
+  // TouchableLocationBarView.
+  virtual int GetBuiltInHorizontalPadding() const OVERRIDE;
+
  private:
   // views::ImageView overrides:
   virtual void GetAccessibleState(ui::AccessibleViewState* state) OVERRIDE;
   virtual bool GetTooltipText(const gfx::Point& p,
                               string16* tooltip) const OVERRIDE;
   virtual bool OnMousePressed(const views::MouseEvent& event) OVERRIDE;
   virtual void OnMouseReleased(const views::MouseEvent& event) OVERRIDE;
   virtual ui::GestureStatus OnGestureEvent(
       const views::GestureEvent& event) OVERRIDE;
   virtual bool OnKeyPressed(const views::KeyEvent& event) OVERRIDE;
 
   // The CommandUpdater for the Browser object that owns the location bar.
   CommandUpdater* command_updater_;
 
   DISALLOW_IMPLICIT_CONSTRUCTORS(StarView);
 };
 
 #endif  // CHROME_BROWSER_UI_VIEWS_LOCATION_BAR_STAR_VIEW_H_