Remove WebWidgetDelegate::GetContainingView since it is not needed....

chrome/renderer/print_web_view_helper.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/print_web_view_helper.h"
 
 #include "app/l10n_util.h"
 #include "base/logging.h"
 #include "base/gfx/size.h"
 #include "chrome/common/render_messages.h"
@@ skipping 400 matching lines @@
                                        WebKit::WebRect* rect) {
   NOTREACHED();
 }
 
 WebKit::WebScreenInfo PrintWebViewHelper::GetScreenInfo(WebWidget* webwidget) {
   WebKit::WebScreenInfo info;
   NOTREACHED();
   return info;
 }
 
-gfx::NativeViewId PrintWebViewHelper::GetContainingView(WebWidget* webwidget) {
-  NOTREACHED();
-  return gfx::NativeViewId();
-}
-
 bool PrintWebViewHelper::IsHidden(WebWidget* webwidget) {
   NOTREACHED();
   return true;
 }