Move Tuple to base namespace.

chrome/common/chrome_utility_messages.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.
 
 // Multiply-included message file, so no include guard.
 
 #if defined(OS_WIN)
 #include <Windows.h>
 #endif  // defined(OS_WIN)
 
@@ skipping 15 matching lines @@
 #include "chrome/common/safe_browsing/protobuf_message_param_traits.h"
 #endif
 
 // Singly-included section for typedefs.
 #ifndef CHROME_COMMON_CHROME_UTILITY_MESSAGES_H_
 #define CHROME_COMMON_CHROME_UTILITY_MESSAGES_H_
 
 #if defined(OS_WIN)
 // A vector of filters, each being a Tuple containing a display string (i.e.
 // "Text Files") and a filter pattern (i.e. "*.txt").
-typedef std::vector<Tuple<base::string16, base::string16>>
+typedef std::vector<base::Tuple<base::string16, base::string16>>
     GetOpenFileNameFilter;
 #endif  // OS_WIN
 
 #endif  // CHROME_COMMON_CHROME_UTILITY_MESSAGES_H_
 
 #define IPC_MESSAGE_START ChromeUtilityMsgStart
 
 #if defined(FULL_SAFE_BROWSING)
 IPC_ENUM_TRAITS_VALIDATE(
     safe_browsing::ClientDownloadRequest_DownloadType,
@@ skipping 233 matching lines @@
 IPC_MESSAGE_CONTROL1(ChromeUtilityHostMsg_BuildDirectWriteFontCache,
                      base::FilePath /* cache file path */)
 #endif  // defined(OS_WIN)
 
 #if defined(OS_ANDROID)
 // Reply to ChromeUtilityMsg_DetectSeccompSupport to report the level
 // of kernel support for seccomp-bpf.
 IPC_MESSAGE_CONTROL1(ChromeUtilityHostMsg_DetectSeccompSupport_ResultPrctl,
                      bool /* seccomp prctl supported */)
 #endif