Move NavigationPolicyToDisposition() function into render_view_impl.cc

webkit/glue/window_open_disposition.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 "webkit/glue/window_open_disposition.h"
-
-#include "base/logging.h"
-
-WindowOpenDisposition NavigationPolicyToDisposition(
-    WebKit::WebNavigationPolicy policy) {
-  switch (policy) {
-    case WebKit::WebNavigationPolicyIgnore:
-      return IGNORE_ACTION;
-    case WebKit::WebNavigationPolicyDownload:
-      return SAVE_TO_DISK;
-    case WebKit::WebNavigationPolicyCurrentTab:
-      return CURRENT_TAB;
-    case WebKit::WebNavigationPolicyNewBackgroundTab:
-      return NEW_BACKGROUND_TAB;
-    case WebKit::WebNavigationPolicyNewForegroundTab:
-      return NEW_FOREGROUND_TAB;
-    case WebKit::WebNavigationPolicyNewWindow:
-      return NEW_WINDOW;
-    case WebKit::WebNavigationPolicyNewPopup:
-      return NEW_POPUP;
-  default:
-    NOTREACHED() << "Unexpected WebNavigationPolicy";
-    return IGNORE_ACTION;
-  }
-}