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

ui/wm/core/compound_event_filter_unittest.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/wm/core/compound_event_filter.h"
 
 #include "base/macros.h"
 #include "build/build_config.h"
 #include "ui/aura/client/cursor_client.h"
 #include "ui/aura/env.h"
 #include "ui/aura/test/aura_test_base.h"
 #include "ui/aura/test/test_cursor_client.h"
 #include "ui/aura/test/test_windows.h"
 #include "ui/aura/window.h"
 #include "ui/aura/window_event_dispatcher.h"
 #include "ui/events/event.h"
 #include "ui/events/event_utils.h"
 #include "ui/events/test/event_generator.h"
 #include "ui/wm/core/default_activation_client.h"
 #include "ui/wm/public/activation_client.h"
 
 namespace {
 
 #if defined(OS_CHROMEOS) || defined(OS_WIN)
-base::TimeDelta GetTime() {
+base::TimeTicks GetTime() {
   return ui::EventTimeForNow();
 }
 #endif  // defined(OS_CHROMEOS) || defined(OS_WIN)
 
 }
 
 namespace wm {
 
 namespace {
 
@@ skipping 206 matching lines @@
 
   mouse0.set_flags(mouse0.flags() & ~ui::EF_FROM_TOUCH);
   DispatchEventUsingWindowDispatcher(&mouse0);
   EXPECT_TRUE(cursor_client.IsMouseEventsEnabled());
 
   aura::Env::GetInstance()->RemovePreTargetHandler(compound_filter.get());
 }
 #endif
 
 }  // namespace wm