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

chrome/browser/ui/views/location_bar/location_icon_view.cc

 // 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.
 
 #include "chrome/browser/ui/views/location_bar/location_icon_view.h"
 
 #include "base/utf_string_conversions.h"
 #include "grit/generated_resources.h"
 #include "ui/base/l10n/l10n_util.h"
 
 LocationIconView::LocationIconView(LocationBarView* location_bar)
     : ALLOW_THIS_IN_INITIALIZER_LIST(page_info_helper_(this, location_bar)) {
   SetTooltipText(l10n_util::GetStringUTF16(IDS_TOOLTIP_LOCATION_ICON));
+  TouchableLocationBarView::Init(this);
 }
 
 LocationIconView::~LocationIconView() {
 }
 
 bool LocationIconView::OnMousePressed(const views::MouseEvent& event) {
   // We want to show the dialog on mouse release; that is the standard behavior
   // for buttons.
   return true;
 }
 
 void LocationIconView::OnMouseReleased(const views::MouseEvent& event) {
   page_info_helper_.ProcessEvent(event);
 }
 
 ui::GestureStatus LocationIconView::OnGestureEvent(
     const views::GestureEvent& event) {
   if (event.type() == ui::ET_GESTURE_TAP) {
     page_info_helper_.ProcessEvent(event);
     return ui::GESTURE_STATUS_CONSUMED;
   }
   return ui::GESTURE_STATUS_UNKNOWN;
 }
 
+int LocationIconView::GetBuiltInHorizontalPadding() const {
+  return GetBuiltInHorizontalPaddingImpl();
+}
+
 void LocationIconView::ShowTooltip(bool show) {
   if (show) {
     SetTooltipText(l10n_util::GetStringUTF16(IDS_TOOLTIP_LOCATION_ICON));
   } else {
     SetTooltipText(string16());
   }
 }