Provide an override for Webview drop effect....

chrome/browser/tab_contents/web_drop_target.cc

Index: chrome/browser/tab_contents/web_drop_target.cc
===================================================================
--- chrome/browser/tab_contents/web_drop_target.cc	(revision 14025)
+++ chrome/browser/tab_contents/web_drop_target.cc	(working copy)
@@ -136,12 +136,6 @@
       gfx::Point(client_pt.x, client_pt.y),
       gfx::Point(cursor_position.x, cursor_position.y));
 
-  // Again we don't wait on the renderer to respond, but this can lead to
-  // a race condition.  If the renderer does not want the drop data, then
-  // we won't know until the response from the renderer arrives.  So if a
-  // drop happens before the response arrives, we drop on a renderer that
-  // doesn't want the data.  TODO(noel): fix this.
-
   if (!is_drop_target_)
     return DROPEFFECT_NONE;