Move enum MenuAnchorPosition to reduce deps on menu_item_view.h

chrome/browser/ui/views/frame/browser_frame.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/browser_frame.h"
 
 #include "ash/shell.h"
 #include "base/command_line.h"
 #include "base/debug/leak_annotations.h"
 #include "base/i18n/rtl.h"
@@ skipping 238 matching lines @@
 
   // Only show context menu if point is in unobscured parts of browser, i.e.
   // if NonClientHitTest returns :
   // - HTCAPTION: in title bar or unobscured part of tabstrip
   // - HTNOWHERE: as the name implies.
   gfx::Point point_in_view_coords(p);
   views::View::ConvertPointFromScreen(non_client_view(), &point_in_view_coords);
   int hit_test = non_client_view()->NonClientHitTest(point_in_view_coords);
   if (hit_test == HTCAPTION || hit_test == HTNOWHERE) {
     menu_runner_.reset(new views::MenuRunner(GetSystemMenuModel()));
-    if (menu_runner_->RunMenuAt(source->GetWidget(), NULL,
-          gfx::Rect(p, gfx::Size(0,0)), views::MenuItemView::TOPLEFT,
-          source_type,
-          views::MenuRunner::HAS_MNEMONICS | views::MenuRunner::CONTEXT_MENU) ==
-        views::MenuRunner::MENU_DELETED)
+    if (menu_runner_->RunMenuAt(source->GetWidget(),
+                                NULL,
+                                gfx::Rect(p, gfx::Size(0, 0)),
+                                views::MENU_ANCHOR_TOPLEFT,
+                                source_type,
+                                views::MenuRunner::HAS_MNEMONICS |
+                                    views::MenuRunner::CONTEXT_MENU) ==
+        views::MenuRunner::MENU_DELETED) {
       return;
+    }
   }
 }
 
 ui::MenuModel* BrowserFrame::GetSystemMenuModel() {
 #if defined(OS_CHROMEOS)
   ash::SessionStateDelegate* delegate =
       ash::Shell::GetInstance()->session_state_delegate();
   if (delegate && delegate->NumberOfLoggedInUsers() > 1) {
     // In Multi user mode, the number of users as well as the order of users
     // can change. Coming here we have more then one user and since the menu
@@ skipping 21 matching lines @@
 bool BrowserFrame::ShouldLeaveOffsetNearTopBorder() {
   return !IsMaximized();
 }
 
 void BrowserFrame::OnUseCustomChromeFrameChanged() {
   // Tell the window manager to add or remove system borders.
   set_frame_type(UseCustomFrame() ? Widget::FRAME_TYPE_FORCE_CUSTOM
                                   : Widget::FRAME_TYPE_FORCE_NATIVE);
   FrameTypeChanged();
 }