Add ShellAccessTokenStore to content_shell

content/shell/geolocation/shell_access_token_store.h

Index: content/shell/geolocation/shell_access_token_store.h
diff --git a/content/shell/geolocation/shell_access_token_store.h b/content/shell/geolocation/shell_access_token_store.h
new file mode 100644
index 0000000000000000000000000000000000000000..083540fcf38733c6caa67ad988db35e4f5a7fcf8
--- /dev/null
+++ b/content/shell/geolocation/shell_access_token_store.h
@@ -0,0 +1,35 @@
+// 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 CONTENT_SHELL_GEOLOCATION_SHELL_ACCESS_TOKEN_STORE_H_
+#define CONTENT_SHELL_GEOLOCATION_SHELL_ACCESS_TOKEN_STORE_H_
+#pragma once
+
+#include "content/public/browser/access_token_store.h"
+
+// Dummy access token store used to initialise the network location provider.
+class ShellAccessTokenStore : public content::AccessTokenStore {
+ public:
+  explicit ShellAccessTokenStore(net::URLRequestContextGetter* request_context);
+
+ private:
+  virtual ~ShellAccessTokenStore();
+
+  // AccessTokenStore
+  virtual void LoadAccessTokens(
+      const LoadAccessTokensCallbackType& callback) OVERRIDE;
+
+  virtual void SaveAccessToken(
+      const GURL& server_url, const string16& access_token) OVERRIDE;
+
+  static void DidLoadAccessTokens(
+      net::URLRequestContextGetter* request_context,
+      const LoadAccessTokensCallbackType& callback);
+
+  net::URLRequestContextGetter* request_context_;
+
+  DISALLOW_COPY_AND_ASSIGN(ShellAccessTokenStore);
+};
+
+#endif  // CONTENT_SHELL_GEOLOCATION_SHELL_ACCESS_TOKEN_STORE_H_