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

ui/base/dragdrop/gtk_dnd_util.cc

Index: ui/base/dragdrop/gtk_dnd_util.cc
diff --git a/ui/base/dragdrop/gtk_dnd_util.cc b/ui/base/dragdrop/gtk_dnd_util.cc
index d4499dfc7bd4ca7745e11123ffc7cfb7b43b01fa..77e9a978ae96ba584867eb99fe9cb5aceb24a67a 100644
--- a/ui/base/dragdrop/gtk_dnd_util.cc
+++ b/ui/base/dragdrop/gtk_dnd_util.cc
@@ -154,7 +154,7 @@ void SetDestTargetList(GtkWidget* dest, const int* target_codes) {
 
 void WriteURLWithName(GtkSelectionData* selection_data,
                       const GURL& url,
-                      string16 title,
+                      base::string16 title,
                       int type) {
   if (title.empty()) {
     // We prefer to not have empty titles. Set it to the filename extracted
@@ -208,7 +208,7 @@ void WriteURLWithName(GtkSelectionData* selection_data,
 
 bool ExtractNamedURL(GtkSelectionData* selection_data,
                      GURL* url,
-                     string16* title) {
+                     base::string16* title) {
   if (!selection_data || gtk_selection_data_get_length(selection_data) <= 0)
     return false;
 
@@ -249,7 +249,7 @@ bool ExtractURIList(GtkSelectionData* selection_data, std::vector<GURL>* urls) {
 
 bool ExtractNetscapeURL(GtkSelectionData* selection_data,
                         GURL* url,
-                        string16* title) {
+                        base::string16* title) {
   if (!selection_data || gtk_selection_data_get_length(selection_data) <= 0)
     return false;