Switch to standard integer types in components/, part 3 of 4.

components/offline_pages/offline_page_metadata_store.h

 // Copyright 2015 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_OFFLINE_PAGE_METADATA_STORE_H_
 #define COMPONENTS_OFFLINE_PAGES_OFFLINE_PAGE_METADATA_STORE_H_
 
+#include <stdint.h>
+
 #include <vector>
 
 #include "base/callback.h"
 
 class GURL;
 
 namespace offline_pages {
 
 struct OfflinePageItem;
 
@@ skipping 37 matching lines @@
   virtual void RemoveOfflinePages(const std::vector<int64_t>& bookmark_ids,
                                   const UpdateCallback& callback) = 0;
 
   // Resets the store.
   virtual void Reset(const ResetCallback& callback) = 0;
 };
 
 }  // namespace offline_pages
 
 #endif  // COMPONENTS_OFFLINE_PAGES_OFFLINE_PAGE_METADATA_STORE_H_