Move Tuple to base namespace.

components/gcm_driver/gcm_driver_desktop.h

 // Copyright 2014 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 COMPONENTS_GCM_DRIVER_GCM_DRIVER_DESKTOP_H_
 #define COMPONENTS_GCM_DRIVER_GCM_DRIVER_DESKTOP_H_
 
 #include <map>
 #include <string>
 #include <vector>
@@ skipping 107 matching lines @@
   void RegisterImpl(const std::string& app_id,
                     const std::vector<std::string>& sender_ids) override;
   void UnregisterImpl(const std::string& app_id) override;
   void SendImpl(const std::string& app_id,
                 const std::string& receiver_id,
                 const GCMClient::OutgoingMessage& message) override;
 
  private:
   class IOWorker;
 
-  typedef Tuple<std::string, std::string, std::string> TokenTuple;
+  typedef base::Tuple<std::string, std::string, std::string> TokenTuple;
   struct TokenTupleComparer {
     bool operator()(const TokenTuple& a, const TokenTuple& b) const;
   };
 
   //  Stops the GCM service. It can be restarted by calling EnsureStarted again.
   void Stop();
 
   // Remove cached data when GCM service is stopped.
   void RemoveCachedData();
 
@@ skipping 91 matching lines @@
 
   // Used to pass a weak pointer to the IO worker.
   base::WeakPtrFactory<GCMDriverDesktop> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(GCMDriverDesktop);
 };
 
 }  // namespace gcm
 
 #endif  // COMPONENTS_GCM_DRIVER_GCM_DRIVER_DESKTOP_H_