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

ui/views/controls/menu/menu_runner_impl_cocoa.mm

 // Copyright 2014 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.
 
 #import "ui/views/controls/menu/menu_runner_impl_cocoa.h"
 
 #include "base/mac/sdk_forward_declarations.h"
 #import "ui/base/cocoa/menu_controller.h"
 #include "ui/base/models/menu_model.h"
 #include "ui/events/event_utils.h"
@@ skipping 77 matching lines @@
       (run_types & MenuRunner::IS_NESTED) == 0) {
     return new MenuRunnerImplCocoa(menu_model);
   }
 
   return new MenuRunnerImplAdapter(menu_model);
 }
 
 MenuRunnerImplCocoa::MenuRunnerImplCocoa(ui::MenuModel* menu)
     : running_(false),
       delete_after_run_(false),
       closing_event_time_(base::TimeDelta()) {

[sky, 2016/05/27 15:56:03]

Change to TimeTicks?

[majidvp, 2016/05/27 16:49:22]

I have a TODO in menu_controller.h to do this in a separate patch
if that is alright. It is my attempt to keep the scope smaller.

   menu_controller_.reset(
       [[MenuController alloc] initWithModel:menu useWithPopUpButtonCell:NO]);
 }
 
 bool MenuRunnerImplCocoa::IsRunning() const {
   return running_;
 }
 
 void MenuRunnerImplCocoa::Release() {
   if (IsRunning()) {
@@ skipping 29 matching lines @@
     NSMenu* menu = [menu_controller_ menu];
     [menu setMinimumWidth:bounds.width() + kNativeCheckmarkWidth];
     [menu popUpMenuPositioningItem:checked_item
                         atLocation:NSZeroPoint
                             inView:anchor_view];
     [anchor_view removeFromSuperview];
   } else {
     NOTREACHED();
   }
 
-  closing_event_time_ = ui::EventTimeForNow();
+  closing_event_time_ = (base::TimeTicks::Now() - base::TimeTicks());
   running_ = false;
 
   if (delete_after_run_) {
     delete this;
     return MenuRunner::MENU_DELETED;
   }
 
   return MenuRunner::NORMAL_EXIT;
 }
 
 void MenuRunnerImplCocoa::Cancel() {
   [menu_controller_ cancel];
 }
 
 base::TimeDelta MenuRunnerImplCocoa::GetClosingEventTime() const {
   return closing_event_time_;
 }
 
 MenuRunnerImplCocoa::~MenuRunnerImplCocoa() {
 }
 
 }  // namespace internal
 }  // namespace views