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

chrome/browser/ui/views/location_bar/content_setting_image_view.h

Index: chrome/browser/ui/views/location_bar/content_setting_image_view.h
diff --git a/chrome/browser/ui/views/location_bar/content_setting_image_view.h b/chrome/browser/ui/views/location_bar/content_setting_image_view.h
index b9144cc934985aeada590e9bff9dffd0ccfb09f8..ebf78a6bb81ae4750f28aadc38edff788cb4c9ce 100644
--- a/chrome/browser/ui/views/location_bar/content_setting_image_view.h
+++ b/chrome/browser/ui/views/location_bar/content_setting_image_view.h
@@ -9,6 +9,7 @@
 #include "base/compiler_specific.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/string16.h"
+#include "chrome/browser/ui/views/location_bar/touchable_location_bar_view.h"
 #include "chrome/common/content_settings_types.h"
 #include "ui/base/animation/animation_delegate.h"
 #include "ui/views/controls/image_view.h"
@@ -32,9 +33,11 @@ class SlideAnimation;
 
 class ContentSettingsDelegateView;
 
-class ContentSettingImageView : public views::ImageView,
-                                public ui::AnimationDelegate,
-                                public views::Widget::Observer {
+class ContentSettingImageView
+    : public views::ImageView,
+      public ui::AnimationDelegate,
+      public views::Widget::Observer,
+      public TouchableLocationBarView {
  public:
   ContentSettingImageView(ContentSettingsType content_type,
                           LocationBarView* parent);
@@ -55,6 +58,9 @@ class ContentSettingImageView : public views::ImageView,
   // views::Widget::Observer override:
   virtual void OnWidgetClosing(views::Widget* widget) OVERRIDE;
 
+  // TouchableLocationBarView.
+  virtual int GetBuiltInHorizontalPadding() const OVERRIDE;
+
  private:
   // views::ImageView overrides:
   virtual bool OnMousePressed(const views::MouseEvent& event) OVERRIDE;