Add base:: to string16s in win8/.

win8/test/open_with_dialog_controller.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_OPEN_WITH_DIALOG_CONTROLLER_H_
 #define WIN8_TEST_OPEN_WITH_DIALOG_CONTROLLER_H_
 
 #include <windows.h>
 
 #include <vector>
 
 #include "base/basictypes.h"
 #include "base/callback_forward.h"
 #include "base/memory/weak_ptr.h"
 #include "base/strings/string16.h"
 
 namespace win8 {
 
 // Asynchronously drives Windows 8's OpenWithDialog into making a given program
 // the default handler for an URL protocol.
 class OpenWithDialogController {
  public:
   // A callback that is invoked upon completion of the OpenWithDialog
   // interaction. If the HRESULT indicates success, the interaction completed
   // successfully. Otherwise, the vector of strings may contain the list of
   // possible choices if the desired program could not be selected.
-  typedef base::Callback<void(HRESULT,
-                              std::vector<string16>)> SetDefaultCallback;
+  typedef base::Callback<void(HRESULT, std::vector<base::string16>)>
+      SetDefaultCallback;
 
   OpenWithDialogController();
   ~OpenWithDialogController();
 
   // Starts the process of making |program| the default handler for
   // |url_protocol|. |parent_window| may be NULL.  |callback| will be invoked
   // upon completion. This instance may be deleted prior to |callback| being
   // invoked to cancel the operation.
   // Note: This will fail if |program| is already default for |url_protocol|
   // since |program| will not show up verbatim in the dialog (e.g., in EN-US, it
   // will be prefixed by "Keep using ").
   void Begin(HWND parent_window,
-             const string16& url_protocol,
-             const string16& program,
+             const base::string16& url_protocol,
+             const base::string16& program,
              const SetDefaultCallback& callback);
 
   // Sychronously drives the dialog by running a message loop. Do not by any
   // means call this on a thread that already has a message loop. Returns S_OK
   // on success. Otherwise, |choices| may contain the list of possible choices
   // if the desired program could not be selected.
   HRESULT RunSynchronously(HWND parent_window,
-                           const string16& url_protocol,
-                           const string16& program,
-                           std::vector<string16>* choices);
+                           const base::string16& url_protocol,
+                           const base::string16& program,
+                           std::vector<base::string16>* choices);
 
  private:
   class Context;
 
   base::WeakPtr<Context> context_;
 
   DISALLOW_COPY_AND_ASSIGN(OpenWithDialogController);
 };
 
 }  // namespace win8
 
 #endif // WIN8_TEST_OPEN_WITH_DIALOG_CONTROLLER_H_