Move extensions storage API implementation to src/extensions

extensions/browser/api/storage/settings_backend.h

 // 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.
 
-#ifndef CHROME_BROWSER_EXTENSIONS_API_STORAGE_SETTINGS_BACKEND_H_
-#define CHROME_BROWSER_EXTENSIONS_API_STORAGE_SETTINGS_BACKEND_H_
+#ifndef EXTENSIONS_BROWSER_API_STORAGE_SETTINGS_BACKEND_H_
+#define EXTENSIONS_BROWSER_API_STORAGE_SETTINGS_BACKEND_H_
 
 #include <string>
 
 #include "base/files/file_path.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
-#include "chrome/browser/extensions/api/storage/settings_storage_quota_enforcer.h"
+#include "extensions/browser/api/storage/settings_storage_quota_enforcer.h"
 
 namespace syncer {
 class SyncableService;
 }
 
 class ValueStore;
 
 namespace extensions {
 class SettingsStorageFactory;
 
@@ skipping 40 matching lines @@
   const base::FilePath base_path_;
 
   // Quota limits (see SettingsStorageQuotaEnforcer).
   const SettingsStorageQuotaEnforcer::Limits quota_;
 
   DISALLOW_COPY_AND_ASSIGN(SettingsBackend);
 };
 
 }  // namespace extensions
 
-#endif  // CHROME_BROWSER_EXTENSIONS_API_STORAGE_SETTINGS_BACKEND_H_
+#endif  // EXTENSIONS_BROWSER_API_STORAGE_SETTINGS_BACKEND_H_