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

ui/views/mus/native_widget_mus_unittest.cc

 // Copyright 2016 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/mus/native_widget_mus.h"
 
 #include "base/callback.h"
 #include "base/macros.h"
 #include "components/mus/public/cpp/property_type_converters.h"
 #include "components/mus/public/cpp/tests/window_tree_client_impl_private.h"
@@ skipping 154 matching lines @@
     ack_callback_count_++;
     EXPECT_EQ(mus::mojom::EventResult::HANDLED, result);
   }
 
   // Returns a mouse pressed event inside the widget. Tests that place views
   // within the widget that respond to the event must be constructed within the
   // widget coordinate space such that they respond correctly.
   std::unique_ptr<ui::MouseEvent> CreateMouseEvent() {
     return base::WrapUnique(new ui::MouseEvent(
         ui::ET_MOUSE_PRESSED, gfx::Point(50, 50), gfx::Point(50, 50),
-        base::TimeDelta(), ui::EF_LEFT_MOUSE_BUTTON, ui::EF_LEFT_MOUSE_BUTTON));
+        base::TimeTicks(), ui::EF_LEFT_MOUSE_BUTTON, ui::EF_LEFT_MOUSE_BUTTON));
   }
 
   // Simulates an input event to the NativeWidget.
   void OnWindowInputEvent(
       NativeWidgetMus* native_widget,
       const ui::Event& event,
       std::unique_ptr<base::Callback<void(mus::mojom::EventResult)>>*
       ack_callback) {
     native_widget->OnWindowInputEvent(native_widget->window(), event,
                                       ack_callback);
@@ skipping 299 matching lines @@
   widget->SetCapture(content);
   EXPECT_TRUE(widget_private->HasCapture());
   EXPECT_TRUE(mus_window->HasCapture());
 
   widget->ReleaseCapture();
   EXPECT_FALSE(widget_private->HasCapture());
   EXPECT_FALSE(mus_window->HasCapture());
 }
 
 }  // namespace views