added CTRL+Click and SHIFT+Click handler for context menu, Back and Forward.

views/controls/menu/menu_model_adapter.cc

 // Copyright (c) 2011 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 "views/controls/menu/menu_model_adapter.h"
 
 #include "base/logging.h"
 #include "ui/base/l10n/l10n_util.h"
 #include "ui/base/models/menu_model.h"
 #include "views/controls/menu/submenu_view.h"
@@ skipping 37 matching lines @@
     return;
   }
 
   NOTREACHED();
 }
 
 void MenuModelAdapter::ExecuteCommand(int id, int mouse_event_flags) {
   ui::MenuModel* model = menu_model_;
   int index = 0;
   if (ui::MenuModel::GetModelAndIndexForCommandId(id, &model, &index)) {
-    const int disposition =
-        ViewsDelegate::views_delegate->GetDispositionForEvent(
-            mouse_event_flags);
-    model->ActivatedAtWithDisposition(index, disposition);
+    model->ActivatedAtWithFlags(index, mouse_event_flags);
     return;
   }
 
   NOTREACHED();
 }
 
 bool MenuModelAdapter::GetAccelerator(int id,
                                       views::Accelerator* accelerator) {
   ui::MenuModel* model = menu_model_;
   int index = 0;
@@ skipping 105 matching lines @@
       BuildMenuImpl(item, submodel);
 
       menu_map_[item] = submodel;
     }
   }
 
   menu->set_has_icons(model->HasIcons());
 }
 
 }  // views