Refactor ExtensionTabUtil-namespaced functions into their own file.

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

 // Copyright (c) 2011 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/page_action_image_view.h"
 
 #include "base/utf_string_conversions.h"
 #include "chrome/browser/extensions/extension_browser_event_router.h"
 #include "chrome/browser/extensions/extension_service.h"
+#include "chrome/browser/extensions/extension_tab_util.h"
 #include "chrome/browser/platform_util.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/ui/browser_list.h"
 #include "chrome/browser/ui/views/frame/browser_view.h"
 #include "chrome/browser/ui/views/location_bar/location_bar_view.h"
 #include "chrome/common/extensions/extension_action.h"
 #include "chrome/common/extensions/extension_resource.h"
 #include "ui/base/accessibility/accessible_view_state.h"
 #include "views/controls/menu/menu_item_view.h"
 #include "views/controls/menu/menu_model_adapter.h"
@@ skipping 211 matching lines @@
 void PageActionImageView::ExtensionPopupIsClosing(ExtensionPopup* popup) {
   DCHECK_EQ(popup_, popup);
   // ExtensionPopup is ref-counted, so we don't need to delete it.
   popup_ = NULL;
 }
 
 void PageActionImageView::HidePopup() {
   if (popup_)
     popup_->Close();
 }