Move core pieces of geolocation from chrome to content....

chrome/browser/geolocation/access_token_store.h

-// Copyright (c) 2010 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.
-
-// Defines the Geolocation access token store, and associated factory function.
-// An access token store is responsible for providing the API to persist
-// access tokens, one at a time, and to load them back on mass.
-// The API is a little more complex than one might wish, due to the need for
-// prefs access to happen asynchronously on the UI thread.
-// This API is provided as abstract base classes to allow mocking and testing
-// of clients, without dependency on browser process singleton objects etc.
-
-#ifndef CHROME_BROWSER_GEOLOCATION_ACCESS_TOKEN_STORE_H_
-#define CHROME_BROWSER_GEOLOCATION_ACCESS_TOKEN_STORE_H_
-#pragma once
-
-#include <map>
-
-#include "base/ref_counted.h"
-#include "base/string16.h"
-#include "chrome/browser/cancelable_request.h"
-#include "googleurl/src/gurl.h"
-
-class GURL;
-class PrefService;
-
-// Provides storage for the access token used in the network request.
-class AccessTokenStore : public base::RefCountedThreadSafe<AccessTokenStore>,
-                         public CancelableRequestProvider {
- public:
-  static void RegisterPrefs(PrefService* prefs);
-
-  // Map of server URLs to associated access token.
-  typedef std::map<GURL, string16> AccessTokenSet;
-  typedef Callback1<AccessTokenSet>::Type LoadAccessTokensCallbackType;
-  // callback will be invoked once, after existing access tokens have
-  // been loaded from persistent store. Takes ownership of callback.
-  // Returns a handle which can subsequently be used with CancelRequest().
-  Handle LoadAccessTokens(CancelableRequestConsumerBase* consumer,
-                          LoadAccessTokensCallbackType* callback);
-
-  virtual void SaveAccessToken(
-      const GURL& server_url, const string16& access_token) = 0;
-
- protected:
-  friend class base::RefCountedThreadSafe<AccessTokenStore>;
-  AccessTokenStore();
-  virtual ~AccessTokenStore();
-
-  virtual void DoLoadAccessTokens(
-      scoped_refptr<CancelableRequest<LoadAccessTokensCallbackType> > req) = 0;
-
- private:
-  DISALLOW_COPY_AND_ASSIGN(AccessTokenStore);
-};
-
-// Creates a new access token store backed by the global chome prefs.
-AccessTokenStore* NewChromePrefsAccessTokenStore();
-
-#endif  // CHROME_BROWSER_GEOLOCATION_ACCESS_TOKEN_STORE_H_