Move enum MenuAnchorPosition to reduce deps on menu_item_view.h

chrome/browser/ui/views/frame/opaque_browser_frame_view.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/frame/opaque_browser_frame_view.h"
 
 #include <algorithm>
 #include <string>
 
 #include "base/compiler_specific.h"
@@ skipping 360 matching lines @@
   }
 }
 
 void OpaqueBrowserFrameView::OnMenuButtonClicked(views::View* source,
                                                  const gfx::Point& point) {
 #if defined(OS_LINUX)
   views::MenuRunner menu_runner(frame()->GetSystemMenuModel());
   ignore_result(menu_runner.RunMenuAt(browser_view()->GetWidget(),
                                       window_icon_,
                                       window_icon_->GetBoundsInScreen(),
-                                      views::MenuItemView::TOPLEFT,
+                                      views::MENU_ANCHOR_TOPLEFT,
                                       ui::MENU_SOURCE_MOUSE,
                                       views::MenuRunner::HAS_MNEMONICS));
 #endif
 }
 
 ///////////////////////////////////////////////////////////////////////////////
 // OpaqueBrowserFrameView, TabIconView::TabContentsProvider implementation:
 
 bool OpaqueBrowserFrameView::ShouldTabIconViewAnimate() const {
   // This function is queried during the creation of the window as the
@@ skipping 529 matching lines @@
 
 int OpaqueBrowserFrameView::GetTopAreaHeight() const {
   gfx::ImageSkia* frame_image = GetFrameImage();
   int top_area_height = frame_image->height();
   if (browser_view()->IsTabStripVisible()) {
     top_area_height = std::max(top_area_height,
       GetBoundsForTabStrip(browser_view()->tabstrip()).bottom());
   }
   return top_area_height;
 }