Fixing remaining VC++ 2015 64-bit build breaks

content/shell/browser/shell_web_contents_view_delegate_win.cc

 // Copyright 2013 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 "content/shell/browser/shell_web_contents_view_delegate.h"
 
 #include "base/command_line.h"
 #include "content/public/browser/render_frame_host.h"
 #include "content/public/browser/render_process_host.h"
 #include "content/public/browser/render_view_host.h"
@@ skipping 64 matching lines @@
   if (base::CommandLine::ForCurrentProcess()->HasSwitch(
           switches::kRunLayoutTest))
     return;
 
   params_ = params;
   bool has_link = !params_.unfiltered_link_url.is_empty();
   bool has_selection = !params_.selection_text.empty();
 
   HMENU menu = CreateMenu();
   HMENU sub_menu = CreatePopupMenu();
-  AppendMenu(menu, MF_STRING | MF_POPUP, (UINT)sub_menu, L"");
+  AppendMenu(menu, MF_STRING | MF_POPUP, reinterpret_cast<UINT_PTR>(sub_menu),
+             L"");
 
   int index = 0;
   if (params_.media_type == WebContextMenuData::MediaTypeNone &&
       !has_link &&
       !has_selection &&
       !params_.is_editable) {
     MakeContextMenuItem(sub_menu,
                         index++,
                         L"Back",
                         ShellContextMenuItemBackId,
@@ skipping 114 matching lines @@
       web_contents_->Focus();
       break;
     case ShellContextMenuItemInspectId: {
       ShellDevToolsFrontend::Show(web_contents_);
       break;
     }
   }
 }
 
 }  // namespace content