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

ui/base/dragdrop/gtk_dnd_util.h

Index: ui/base/dragdrop/gtk_dnd_util.h
diff --git a/ui/base/dragdrop/gtk_dnd_util.h b/ui/base/dragdrop/gtk_dnd_util.h
index 3744faa0f0d4206d315dd75e7227574f9a5022ea..88f00a309f13c80074787a5d293beb436c13ba51 100644
--- a/ui/base/dragdrop/gtk_dnd_util.h
+++ b/ui/base/dragdrop/gtk_dnd_util.h
@@ -68,7 +68,7 @@ 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
@@ -76,7 +76,7 @@ UI_EXPORT void WriteURLWithName(GtkSelectionData* selection_data,
 // 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,
@@ -85,7 +85,7 @@ UI_EXPORT bool ExtractURIList(GtkSelectionData* selection_data,
 // 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