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

components/offline_pages/core/request_header/offline_page_header.h

 // 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.
 
-#ifndef COMPONENTS_OFFLINE_PAGES_REQUEST_HEADER_OFFLINE_PAGE_HEADER_H_
-#define COMPONENTS_OFFLINE_PAGES_REQUEST_HEADER_OFFLINE_PAGE_HEADER_H_
+#ifndef COMPONENTS_OFFLINE_PAGES_CORE_REQUEST_HEADER_OFFLINE_PAGE_HEADER_H_
+#define COMPONENTS_OFFLINE_PAGES_CORE_REQUEST_HEADER_OFFLINE_PAGE_HEADER_H_
 
 #include <string>
 
 namespace offline_pages {
 
 // Header that defines the custom behavior to load offline pages. Its value is a
 // comma/space separated name-value pair.
 extern const char kOfflinePageHeader[];
 
 // The name used in name-value pair of kOfflinePageHeader to tell if the offline
@@ skipping 17 matching lines @@
 extern const char kOfflinePageHeaderReasonValueReload[];
 
 // The name used in name-value pair of kOfflinePageHeader to denote the offline
 // ID of the offline page to load.
 extern const char kOfflinePageHeaderIDKey[];
 
 // Used to parse the extra request header string that defines offline page
 // loading behaviors.
 struct OfflinePageHeader {
  public:
-  enum class Reason {
-    NONE,
-    NET_ERROR,
-    DOWNLOAD,
-    RELOAD
-  };
+  enum class Reason { NONE, NET_ERROR, DOWNLOAD, RELOAD };
 
   OfflinePageHeader();
 
   // Constructed from a request header value string.
   // The struct members will be cleared if the parsing failed.
   explicit OfflinePageHeader(const std::string& header_value);
 
   ~OfflinePageHeader();
 
   // Returns the full header string, including both key and value, that could be
@@ skipping 10 matching lines @@
 
   // Describes the reason to load offline page.
   Reason reason;
 
   // The offline ID of the page to load.
   std::string id;
 };
 
 }  // namespace offline_pages
 
-#endif  // COMPONENTS_OFFLINE_PAGES_REQUEST_HEADER_OFFLINE_PAGE_HEADER_H_
+#endif  // COMPONENTS_OFFLINE_PAGES_CORE_REQUEST_HEADER_OFFLINE_PAGE_HEADER_H_