Move Tuple to base namespace.

content/child/fileapi/webfilesystem_impl.cc

 // Copyright 2013 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.
 
 #include "content/child/fileapi/webfilesystem_impl.h"
 
 #include "base/bind.h"
 #include "base/lazy_instance.h"
 #include "base/logging.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/synchronization/waitable_event.h"
 #include "base/thread_task_runner_handle.h"
 #include "base/threading/thread_local.h"
 #include "content/child/child_thread_impl.h"
 #include "content/child/file_info_util.h"
 #include "content/child/fileapi/file_system_dispatcher.h"
 #include "content/child/fileapi/webfilewriter_impl.h"
 #include "content/common/fileapi/file_system_messages.h"
 #include "storage/common/fileapi/directory_entry.h"
 #include "storage/common/fileapi/file_system_util.h"
 #include "third_party/WebKit/public/platform/WebFileInfo.h"
 #include "third_party/WebKit/public/platform/WebFileSystemCallbacks.h"
 #include "third_party/WebKit/public/platform/WebString.h"
 #include "third_party/WebKit/public/platform/WebURL.h"
 #include "third_party/WebKit/public/web/WebHeap.h"
 #include "url/gurl.h"
 
+using base::MakeTuple;
 using blink::WebFileInfo;
 using blink::WebFileSystemCallbacks;
 using blink::WebFileSystemEntry;
 using blink::WebString;
 using blink::WebURL;
 using blink::WebVector;
 
 namespace content {
 
 class WebFileSystemImpl::WaitableCallbackResults
@@ skipping 658 matching lines @@
 WaitableCallbackResults* WebFileSystemImpl::MaybeCreateWaitableResults(
     const WebFileSystemCallbacks& callbacks, int callbacks_id) {
   if (!callbacks.shouldBlockUntilCompletion())
     return NULL;
   WaitableCallbackResults* results = new WaitableCallbackResults();
   waitable_results_[callbacks_id] = results;
   return results;
 }
 
 }  // namespace content