Fix for pressing escape during a drag and drop operation.

chrome/browser/tab_contents/web_drag_source.cc

Index: chrome/browser/tab_contents/web_drag_source.cc
===================================================================
--- chrome/browser/tab_contents/web_drag_source.cc	(revision 19334)
+++ chrome/browser/tab_contents/web_drag_source.cc	(working copy)
@@ -39,6 +39,14 @@
       render_view_host_(render_view_host) {
 }
 
+void WebDragSource::OnDragSourceCancel() {
+  gfx::Point client;
+  gfx::Point screen;
+  GetCursorPositions(source_wnd_, &client, &screen);
+  render_view_host_->DragSourceEndedAt(client.x(), client.y(),
+                                       screen.x(), screen.y());
+}
+
 void WebDragSource::OnDragSourceDrop() {
   gfx::Point client;
   gfx::Point screen;