Support custom drag-and-drop of bookmarks in Aura

content/public/browser/web_drag_dest_delegate.h

Index: content/public/browser/web_drag_dest_delegate.h
diff --git a/content/public/browser/web_drag_dest_delegate.h b/content/public/browser/web_drag_dest_delegate.h
index 7924a6411a2e71d17d63fa41b4d1647631da2e33..bb65e16f6d1de64d515bad73c122ba4b51726d0e 100644
--- a/content/public/browser/web_drag_dest_delegate.h
+++ b/content/public/browser/web_drag_dest_delegate.h
@@ -36,7 +36,7 @@ class WebDragDestDelegate {
   virtual void DragInitialize(WebContents* contents) = 0;
 
   // Notifications of drag progression.
-#if defined(OS_WIN)
+#if defined(OS_WIN) && !defined(USE_AURA)
   virtual void OnDragOver(IDataObject* data_object) = 0;
   virtual void OnDragEnter(IDataObject* data_object) = 0;
   virtual void OnDrop(IDataObject* data_object) = 0;
@@ -58,6 +58,10 @@ class WebDragDestDelegate {
   virtual void OnReceiveDataFromGtk(GtkSelectionData* data) = 0;
   virtual void OnReceiveProcessedData(const GURL& url,
                                       const string16& title) = 0;
+#elif defined(USE_AURA)
+  // Called at the start of every drag to supply the data associated with the
+  // drag.
+  virtual void OnReceiveDragData(const ui::OSExchangeData& data) = 0;
 #elif defined(OS_WIN)
   // Allows the delegate to set data on the drag. If it doesn't want to set
   // data, it should return false.