Move extensions storage API implementation to src/extensions

chrome/browser/extensions/api/storage/storage_api.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_STORAGE_API_H_
 #define CHROME_BROWSER_EXTENSIONS_API_STORAGE_STORAGE_API_H_
 
 #include "base/compiler_specific.h"
 #include "base/memory/ref_counted.h"
-#include "chrome/browser/extensions/api/storage/settings_observer.h"
 #include "chrome/browser/extensions/chrome_extension_function.h"
 #include "extensions/browser/api/storage/settings_namespace.h"
+#include "extensions/browser/api/storage/settings_observer.h"
 #include "extensions/browser/value_store/value_store.h"
 
 namespace extensions {
 
 // Superclass of all settings functions.
 class SettingsFunction : public ChromeAsyncExtensionFunction {
  protected:
   SettingsFunction();
   virtual ~SettingsFunction();
 
@@ skipping 111 matching lines @@
  protected:
   virtual ~StorageStorageAreaGetBytesInUseFunction() {}
 
   // SettingsFunction:
   virtual bool RunWithStorage(ValueStore* storage) OVERRIDE;
 };
 
 }  // namespace extensions
 
 #endif  // CHROME_BROWSER_EXTENSIONS_API_STORAGE_STORAGE_API_H_