Remove abstract Clone and Cancel methods from MotionEvent

ui/events/gesture_detection/velocity_tracker_unittest.cc

 // 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.
 
 #include "base/basictypes.h"
 #include "base/logging.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/time/time.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "ui/events/gesture_detection/velocity_tracker_state.h"
-#include "ui/events/test/mock_motion_event.h"
+#include "ui/events/test/motion_event_test_utils.h"
 #include "ui/gfx/geometry/point_f.h"
 #include "ui/gfx/geometry/vector2d_f.h"
 
 using base::TimeDelta;
 using base::TimeTicks;
 using ui::test::MockMotionEvent;
 
 namespace ui {
 namespace {
 
@@ skipping 191 matching lines @@
   state.AddMovement(Sample(
       MotionEvent::ACTION_UP, p1, t1, v, base::TimeDelta()));
 
   // The tracked velocity should have been reset.
   state.ComputeCurrentVelocity(1000, 1000);
   EXPECT_EQ(0.f, state.GetXVelocity(0));
   EXPECT_EQ(0.f, state.GetYVelocity(0));
 }
 
 }  // namespace ui