Make the cancelling of drag and drop match Safari for Windows.

chrome/renderer/render_view.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 "chrome/renderer/render_view.h"
 
 #include <algorithm>
 #include <string>
 #include <vector>
 
@@ skipping 2424 matching lines @@
   DCHECK(BindingsPolicy::is_dom_ui_enabled(enabled_bindings_));
   dom_ui_bindings_.SetProperty(name, value);
 }
 
 void RenderView::OnReservePageIDRange(int size_of_range) {
   next_page_id_ += size_of_range + 1;
 }
 
 void RenderView::OnDragSourceEndedOrMoved(const gfx::Point& client_point,
                                           const gfx::Point& screen_point,
-                                          bool ended) {
-  if (ended)
-    webview()->DragSourceEndedAt(client_point, screen_point);
-  else
+                                          bool ended, bool cancelled) {
+  if (ended) {
+    if (cancelled)
+      webview()->DragSourceCancelledAt(client_point, screen_point);
+    else
+      webview()->DragSourceEndedAt(client_point, screen_point);
+  } else {
     webview()->DragSourceMovedTo(client_point, screen_point);
+  }
 }
 
 void RenderView::OnDragSourceSystemDragEnded() {
   webview()->DragSourceSystemDragEnded();
 }
 
 void RenderView::OnUploadFileRequest(const ViewMsg_UploadFile_Params& p) {
   webkit_glue::FileUploadData* f = new webkit_glue::FileUploadData;
   f->file_path = p.file_path;
   f->form_name = p.form;
@@ skipping 493 matching lines @@
     Send(new ViewHostMsg_PasswordFormsSeen(routing_id_, password_forms));
 }
 
 void RenderView::Print(WebFrame* frame, bool script_initiated) {
   DCHECK(frame);
   if (print_helper_.get() == NULL) {
     print_helper_.reset(new PrintWebViewHelper(this));
   }
   print_helper_->Print(frame, script_initiated);
 }