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

ash/wm/window_manager_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 "ash/common/shell_window_ids.h"
 #include "ash/shell.h"
 #include "ash/test/ash_test_base.h"
 #include "ash/test/test_activation_delegate.h"
 #include "ash/wm/window_util.h"
 #include "ui/aura/client/cursor_client_observer.h"
@@ skipping 31 matching lines @@
     did_visibility_change_ = true;
   }
 
  private:
   bool cursor_visibility_;
   bool did_visibility_change_;
 
   DISALLOW_COPY_AND_ASSIGN(TestingCursorClientObserver);
 };
 
-base::TimeDelta getTime() {
+base::TimeTicks getTime() {
   return ui::EventTimeForNow();
 }
 
 // A slightly changed TestEventHandler which can be configured to return a
 // specified value for key/mouse event handling.
 class CustomEventHandler : public ui::test::TestEventHandler {
  public:
   CustomEventHandler()
       : key_result_(ui::ER_UNHANDLED),
         mouse_result_(ui::ER_UNHANDLED) {
@@ skipping 787 matching lines @@
   generator.MoveMouseTo(50, 50);
   EXPECT_TRUE(observer_a.did_visibility_change());
   EXPECT_FALSE(observer_b.did_visibility_change());
   EXPECT_TRUE(observer_a.is_cursor_visible());
 
   cursor_manager->RemoveObserver(&observer_a);
 }
 #endif  // defined(OS_CHROMEOS)
 
 }  // namespace ash