Update BrowserView::ProcessFullscreen OmniboxViewWin use; etc.

chrome/browser/ui/views/omnibox/omnibox_views.cc

 // Copyright (c) 2012 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/browser/ui/views/omnibox/omnibox_views.h"
 
 #include "base/command_line.h"
 #include "chrome/browser/ui/omnibox/omnibox_edit_controller.h"
 #include "chrome/browser/ui/views/location_bar/location_bar_view.h"
 #include "chrome/browser/ui/views/omnibox/omnibox_view_views.h"
 #include "ui/base/ui_base_switches.h"
 
 #if defined(OS_WIN) && !defined(USE_AURA)
 #include "chrome/browser/ui/views/omnibox/omnibox_view_win.h"
 #endif
 
+bool UseOmniboxViews() {
+#if defined(OS_WIN) && !defined(USE_AURA)
+  static bool kUseOmniboxViews = CommandLine::ForCurrentProcess()->
+                                     HasSwitch(switches::kEnableViewsTextfield);
+  return kUseOmniboxViews;
+#endif
+  return true;
+}
+
+OmniboxViewViews* GetOmniboxViewViews(OmniboxView* view) {
+  return UseOmniboxViews() ? static_cast<OmniboxViewViews*>(view) : NULL;
+}
+
+#if defined(OS_WIN) && !defined(USE_AURA)
+OmniboxViewWin* GetOmniboxViewWin(OmniboxView* view) {
+  return UseOmniboxViews() ? NULL : static_cast<OmniboxViewWin*>(view);
+}
+#endif
+
 OmniboxView* CreateOmniboxView(OmniboxEditController* controller,
                                ToolbarModel* toolbar_model,
                                Profile* profile,
                                CommandUpdater* command_updater,
                                bool popup_window_mode,
                                LocationBarView* location_bar,
                                views::View* popup_parent_view) {
 #if defined(OS_WIN) && !defined(USE_AURA)
-  CommandLine* command_line = CommandLine::ForCurrentProcess();
-  if (!command_line->HasSwitch(switches::kEnableViewsTextfield))
+  if (!UseOmniboxViews())
     return new OmniboxViewWin(controller, toolbar_model, location_bar,
                               command_updater, popup_window_mode, location_bar,
                               popup_parent_view);
 #endif
   OmniboxViewViews* omnibox = new OmniboxViewViews(controller, toolbar_model,
       profile, command_updater, popup_window_mode, location_bar);
   omnibox->Init(popup_parent_view);
   return omnibox;
 }