Add WebDragData to blink::WebView::dragtargetDrop

content/browser/web_contents/web_contents_view_aura.cc

Index: content/browser/web_contents/web_contents_view_aura.cc
diff --git a/content/browser/web_contents/web_contents_view_aura.cc b/content/browser/web_contents/web_contents_view_aura.cc
index 3cae1cc9100ed874ac25d94e75629e9e481fdf19..cf632c0a965a26a18cf3be4513c6dc3ab5cb8c75 100644
--- a/content/browser/web_contents/web_contents_view_aura.cc
+++ b/content/browser/web_contents/web_contents_view_aura.cc
@@ -317,6 +317,7 @@ void PrepareDragData(const DropData& drop_data,
 
 // Utility to fill a DropData object from ui::OSExchangeData.
 void PrepareDropData(DropData* drop_data, const ui::OSExchangeData& data) {
+  drop_data->is_valid = true;
   drop_data->did_originate_from_renderer = data.DidOriginateFromRenderer();
 
   base::string16 plain_text;
@@ -1284,7 +1285,8 @@ int WebContentsViewAura::OnPerformDrop(const ui::DropTargetEvent& event) {
     return ui::DragDropTypes::DRAG_NONE;
 
   web_contents_->GetRenderViewHost()->DragTargetDrop(
-      event.location(), gfx::Screen::GetScreen()->GetCursorScreenPoint(),
+      DropData(), event.location(),
+      gfx::Screen::GetScreen()->GetCursorScreenPoint(),
       ConvertAuraEventFlagsToWebInputEventModifiers(event.flags()));
   if (drag_dest_delegate_)
     drag_dest_delegate_->OnDrop();