ui/base/dragdrop: Use base::string16 now that string16 was moved into base namespace.

ui/base/dragdrop/gtk_dnd_util.h

 // Copyright (c) 2011 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 UI_BASE_DRAGDROP_GTK_DND_UTIL_H_
 #define UI_BASE_DRAGDROP_GTK_DND_UTIL_H_
 
 #include <gtk/gtk.h>
 
 #include <vector>
@@ skipping 50 matching lines @@
 UI_EXPORT void SetSourceTargetListFromCodeMask(GtkWidget* source,
                                                int code_mask);
 
 // Set the accepted targets list for |dest|. The |target_codes| array should
 // be sorted in preference order and should be terminated with -1.
 UI_EXPORT void SetDestTargetList(GtkWidget* dest, const int* target_codes);
 
 // Write a URL to the selection in the given type.
 UI_EXPORT void WriteURLWithName(GtkSelectionData* selection_data,
                                 const GURL& url,
-                                string16 title,
+                                base::string16 title,
                                 int type);
 
 // Extracts data of type CHROME_NAMED_URL from |selection_data| into
 // |url| and |title|. Returns true if the url/title were safely extracted
 // and the url is valid.
 UI_EXPORT bool ExtractNamedURL(GtkSelectionData* selection_data,
                                GURL* url,
-                               string16* title);
+                               base::string16* title);
 
 // Extracts data of type TEXT_URI_LIST from |selection_data| into |urls|.
 UI_EXPORT bool ExtractURIList(GtkSelectionData* selection_data,
                               std::vector<GURL>* urls);
 
 // Extracts a Netscape URL (url\ntitle) from |selection_data|.
 UI_EXPORT bool ExtractNetscapeURL(GtkSelectionData* selection_data,
                                   GURL* url,
-                                  string16* title);
+                                  base::string16* title);
 
 }  // namespace ui
 
 #endif  // UI_BASE_DRAGDROP_GTK_DND_UTIL_H_