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

ui/views/mus/platform_window_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/platform_window_mus.h"
 
 #include <memory>
 
 #include "base/bind.h"
 #include "base/callback.h"
@@ skipping 70 matching lines @@
     native_widget_ =
         static_cast<NativeWidgetMus*>(widget_->native_widget_private());
     platform_window_ = native_widget_->window_tree_host()->platform_window();
     ASSERT_TRUE(platform_window_);
   }
 
   // Returns a mouse pressed event in the middle of the widget.
   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 PlatformWindow.
   void OnWindowInputEvent(
       const ui::Event& event,
       std::unique_ptr<base::Callback<void(mus::mojom::EventResult)>>*
           ack_callback) {
     platform_window_->OnWindowInputEvent(native_widget_->window(), event,
                                          ack_callback);
   }
@@ skipping 43 matching lines @@
 
   // The widget was deleted.
   EXPECT_FALSE(widget_);
 
   // The platform window took ownership of the callback and called it.
   EXPECT_FALSE(ack_callback);
   EXPECT_EQ(1, ack_callback_count());
 }
 
 }  // namespace views