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

ui/views/controls/menu/menu_runner_cocoa_unittest.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"
 
 #import <Cocoa/Cocoa.h>
 
 #include "base/macros.h"
 #include "base/strings/utf_string_conversions.h"
@@ skipping 151 matching lines @@
     NSArray* subviews = [parent_->GetNativeView() subviews];
     EXPECT_EQ(2u, [subviews count]);
     last_anchor_frame_ = [[subviews objectAtIndex:1] frame];
     runner_->Cancel();
   }
 
   DISALLOW_COPY_AND_ASSIGN(MenuRunnerCocoaTest);
 };
 
 TEST_F(MenuRunnerCocoaTest, RunMenuAndCancel) {
-  base::TimeDelta min_time = ui::EventTimeForNow();
+  base::TimeDelta min_time = (ui::EventTimeForNow() - base::TimeTicks());
 
   MenuRunner::RunResult result = RunMenu(base::Bind(
       &MenuRunnerCocoaTest::MenuCancelCallback, base::Unretained(this)));
 
   EXPECT_EQ(MenuRunner::NORMAL_EXIT, result);
   EXPECT_FALSE(runner_->IsRunning());
 
   EXPECT_GE(runner_->GetClosingEventTime(), min_time);
-  EXPECT_LE(runner_->GetClosingEventTime(), ui::EventTimeForNow());
+  EXPECT_LE(runner_->GetClosingEventTime(),
+      (ui::EventTimeForNow() - base::TimeTicks()));
 
   // Cancel again.
   runner_->Cancel();
   EXPECT_FALSE(runner_->IsRunning());
 }
 
 TEST_F(MenuRunnerCocoaTest, RunMenuAndDelete) {
   MenuRunner::RunResult result = RunMenu(base::Bind(
       &MenuRunnerCocoaTest::MenuDeleteCallback, base::Unretained(this)));
   EXPECT_EQ(MenuRunner::MENU_DELETED, result);
@@ skipping 65 matching lines @@
   // In RTL, Cocoa messes up the positioning unless the anchor rectangle is
   // offset to the right of the view. The offset for the checkmark is also
   // skipped, to give a better match to native behavior.
   base::i18n::SetICUDefaultLocale("he");
   RunMenuAt(anchor_rect);
   EXPECT_EQ(combobox_rect.right(), last_anchor_frame_.origin.x);
 }
 
 }  // namespace test
 }  // namespace views