Chrome::client() should return a ChromeClient reference.

Source/web/AutofillPopupMenuClient.cpp

 /*
  * Copyright (C) 2011 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 313 matching lines @@
         m_itemIDs.append(itemIDs[i]);
     }
 
     // Try to preserve selection if possible.
     if (getSelectedIndex() >= static_cast<int>(names.size()))
         setSelectedIndex(-1);
 }
 
 WebViewImpl* AutofillPopupMenuClient::getWebView() const
 {
-    Frame* frame = m_textField->document()->frame();
-    if (!frame)
-        return 0;
-
-    Page* page = frame->page();
-    if (!page)
-        return 0;
-
-    return static_cast<WebViewImpl*>(page->chrome().client()->webView());
+    return WebViewImpl::fromPage(m_textField->document()->page());
 }
 
 RenderStyle* AutofillPopupMenuClient::textFieldStyle() const
 {
     RenderStyle* style = m_textField->computedStyle();
     if (!style) {
         // It seems we can only have a 0 style in a TextField if the
         // node is detached, in which case we the popup should not be
         // showing.  Please report this in http://crbug.com/7708 and
         // include the page you were visiting.
         ASSERT_NOT_REACHED();
     }
     return style;
 }
 
 } // namespace WebKit