Change ui::Event::time_stamp from TimeDelta to TimeTicks

ui/views/controls/menu/menu_controller.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 "ui/views/controls/menu/menu_controller.h"
 
 #include "base/i18n/case_conversion.h"
 #include "base/i18n/rtl.h"
 #include "base/macros.h"
 #include "base/strings/utf_string_conversions.h"
@@ skipping 1136 matching lines @@
   if ((event->flags() & ui::EF_RIGHT_MOUSE_BUTTON) &&
       (event->flags() & ui::EF_FROM_TOUCH))
     return;
 
   if (part.type == MenuPart::NONE ||
       (part.type == MenuPart::MENU_ITEM && part.menu &&
        part.menu->GetRootMenuItem() != state_.item->GetRootMenuItem())) {
     // Remember the time stamp of the current (press down) event. The owner can
     // then use this to figure out if this menu was finished with the same click
     // which is sent to it thereafter.
-    closing_event_time_ = event->time_stamp();
+    closing_event_time_ = event->time_stamp() - base::TimeTicks();
     // Event wasn't pressed over any menu, or the active menu, cancel.
     RepostEventAndCancel(source, event);
     // Do not repost events for Linux Aura because this behavior is more
     // consistent with the behavior of other Linux apps.
     return;
   }
 
   // On a press we immediately commit the selection, that way a submenu
   // pops up immediately rather than after a delay.
   int selection_types = SELECTION_UPDATE_IMMEDIATELY;
@@ skipping 1506 matching lines @@
     return;
   }
   if (hot_button_)
     hot_button_->SetHotTracked(false);
   hot_button_ = hot_button;
   if (hot_button)
     hot_button->SetHotTracked(true);
 }
 
 }  // namespace views