Add base:: to string16s in win8/.

win8/test/ui_automation_client.h

 // Copyright (c) 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.
 
 #ifndef WIN8_TEST_UI_AUTOMATION_CLIENT_H_
 #define WIN8_TEST_UI_AUTOMATION_CLIENT_H_
 
 // This file contains UI automation implementation details for the
 // OpenWithDialogController. See that class for consumable entrypoints.
 
@@ skipping 18 matching lines @@
  public:
   // If the HRESULT argument indicates success, the automation client has been
   // initialized, has installed its Window observer, and is ready to process
   // the named window.  Otherwise, initialization has failed and ResultCallback
   // will not be invoked.
   typedef base::Callback<void(HRESULT)> InitializedCallback;
 
   // If the HRESULT argument indicates success, the desired item in the window
   // was invoked.  Otherwise, the string vector (if not empty) contains the list
   // of possible items in the window.
-  typedef base::Callback<void(HRESULT, std::vector<string16>)> ResultCallback;
+  typedef base::Callback<void(HRESULT, std::vector<base::string16>)>
+      ResultCallback;
 
   UIAutomationClient();
   ~UIAutomationClient();
 
   // Starts the client.  Invokes |callback| once the client is ready or upon
   // failure to start, in which case |result_callback| will never be called.
   // Otherwise, |result_callback| will be invoked once |item_name| has been
   // invoked.
   void Begin(const wchar_t* class_name,
-             const string16& item_name,
+             const base::string16& item_name,
              const InitializedCallback& init_callback,
              const ResultCallback& result_callback);
 
  private:
   class Context;
 
   base::ThreadChecker thread_checker_;
 
   // A thread in the COM MTA in which automation calls are made.
   base::Thread automation_thread_;
 
   // A pointer to the context object that lives on the automation thread.
   base::WeakPtr<Context> context_;
 
   DISALLOW_COPY_AND_ASSIGN(UIAutomationClient);
 };
 
 }  // namespace internal
 }  // namespace win8
 
 #endif  // WIN8_TEST_UI_AUTOMATION_CLIENT_H_