GTK plumbing for dragend.

chrome/browser/gtk/tab_contents_drag_source.h

Index: chrome/browser/gtk/tab_contents_drag_source.h
diff --git a/chrome/browser/gtk/tab_contents_drag_source.h b/chrome/browser/gtk/tab_contents_drag_source.h
index 65f0ba13977a39cf9038e9adaf64786b3bf86c53..423f895246f3ec9c305e90f8209a421a80c9e0b3 100644
--- a/chrome/browser/gtk/tab_contents_drag_source.h
+++ b/chrome/browser/gtk/tab_contents_drag_source.h
@@ -59,11 +59,10 @@ class TabContentsDragSource : public MessageLoopForUI::Observer {
   static void OnDragEndThunk(GtkWidget* widget,
                              GdkDragContext* drag_context,
                              TabContentsDragSource* handler) {
-    handler->OnDragEnd(drag_context, WebKit::WebDragOperationCopy);
-    // TODO(snej): Pass actual operation instead of hardcoding copy
+    handler->OnDragEnd(drag_context, drag_context->action);
   }
   void OnDragEnd(GdkDragContext* drag_context,
-                 WebKit::WebDragOperation operation);
+                 GdkDragAction operation);
   static void OnDragDataGetThunk(GtkWidget* drag_widget,
                                  GdkDragContext* context,
                                  GtkSelectionData* selection_data,