Move all components/offline_pages/ files into component/offline_pages/core

chrome/browser/android/offline_pages/offline_page_tab_helper.cc

 // Copyright 2016 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/android/offline_pages/offline_page_tab_helper.h"
 
 #include "base/bind.h"
 #include "base/logging.h"
 #include "base/memory/ptr_util.h"
 #include "chrome/browser/android/offline_pages/offline_page_request_job.h"
 #include "chrome/browser/android/offline_pages/offline_page_utils.h"
-#include "components/offline_pages/offline_page_item.h"
+#include "components/offline_pages/core/offline_page_item.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/navigation_controller.h"
 #include "content/public/browser/navigation_entry.h"
 #include "content/public/browser/navigation_handle.h"
 #include "content/public/browser/render_frame_host.h"
 #include "content/public/browser/web_contents.h"
 #include "ui/base/page_transition_types.h"
 
 DEFINE_WEB_CONTENTS_USER_DATA_KEY(offline_pages::OfflinePageTabHelper);
 
@@ skipping 154 matching lines @@
 }
 
 bool OfflinePageTabHelper::IsShowingOfflinePreview() const {
   // TODO(ryansturm): Change this once offline pages infrastructure uses
   // NavigationHandle instead of a back channel. crbug.com/658899
   return provisional_offline_info_.is_showing_offline_preview ||
          offline_info_.is_showing_offline_preview;
 }
 
 }  // namespace offline_pages