Move extensions storage API implementation to src/extensions

extensions/browser/api/storage/settings_storage_quota_enforcer.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_STORAGE_QUOTA_ENFORCER_H_
-#define CHROME_BROWSER_EXTENSIONS_API_STORAGE_SETTINGS_STORAGE_QUOTA_ENFORCER_H_
+#ifndef EXTENSIONS_BROWSER_API_STORAGE_SETTINGS_STORAGE_QUOTA_ENFORCER_H_
+#define EXTENSIONS_BROWSER_API_STORAGE_SETTINGS_STORAGE_QUOTA_ENFORCER_H_
 
 #include "base/compiler_specific.h"
 #include "base/memory/weak_ptr.h"
 #include "extensions/browser/value_store/value_store.h"
 
 namespace extensions {
 
 // Enforces total quota and a per-setting quota in bytes, and a maximum number
 // of setting keys, for a delegate storage area.
 class SettingsStorageQuotaEnforcer : public ValueStore {
@@ skipping 49 matching lines @@
   size_t used_total_;
 
   // Map of item key to its size, including the key itself.
   std::map<std::string, size_t> used_per_setting_;
 
   DISALLOW_COPY_AND_ASSIGN(SettingsStorageQuotaEnforcer);
 };
 
 }  // namespace extensions
 
-#endif  // CHROME_BROWSER_EXTENSIONS_API_STORAGE_SETTINGS_STORAGE_QUOTA_ENFORCER_H_
+#endif  // EXTENSIONS_BROWSER_API_STORAGE_SETTINGS_STORAGE_QUOTA_ENFORCER_H_