Cleanup: Remove unneeded forward declarations in webkit/.

webkit/glue/password_form_dom_manager.h

Index: webkit/glue/password_form_dom_manager.h
===================================================================
--- webkit/glue/password_form_dom_manager.h	(revision 110200)
+++ webkit/glue/password_form_dom_manager.h	(working copy)
@@ -1,10 +1,12 @@
-// Copyright (c) 2006-2008 The Chromium Authors. All rights reserved.
+// Copyright (c) 2011 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.
 
 #ifndef WEBKIT_GLUE_PASSWORD_FORM_DOM_MANAGER_H_
 #define WEBKIT_GLUE_PASSWORD_FORM_DOM_MANAGER_H_
 
+#include <map>
+
 #include "webkit/glue/form_data.h"
 #include "webkit/glue/password_form.h"
 
@@ -12,8 +14,6 @@
 class WebForm;
 }
 
-class GURL;
-
 namespace webkit_glue {
 
 // Structure used for autofilling password forms.