Plumb the DragOperation through all the layers between the platform DnD code ...

webkit/tools/test_shell/drag_delegate.cc

 // Copyright (c) 2009 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "webkit/tools/test_shell/drag_delegate.h"
 
 #include "webkit/api/public/WebPoint.h"
 #include "webkit/glue/webview.h"
 
 using WebKit::WebPoint;
@@ skipping 17 matching lines @@
 }  // anonymous namespace
 
 void TestDragDelegate::OnDragSourceCancel() {
   OnDragSourceDrop();
 }
 
 void TestDragDelegate::OnDragSourceDrop() {
   gfx::Point client;
   gfx::Point screen;
   GetCursorPositions(source_hwnd_, &client, &screen);
-  webview_->DragSourceEndedAt(client, screen);
+  webview_->DragSourceEndedAt(client, screen, WebKit::WebDragOperationCopy);
+  // TODO(snej): Pass the real drag operation instead
 }
 
 void TestDragDelegate::OnDragSourceMove() {
   gfx::Point client;
   gfx::Point screen;
   GetCursorPositions(source_hwnd_, &client, &screen);
   webview_->DragSourceMovedTo(client, screen);
 }