Remove abstract Clone and Cancel methods from MotionEvent

ui/events/events.gyp

 # Copyright 2013 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.
 
 {
   'variables': {
     'chromium_code': 1,
   },
   'targets': [
     {
@@ skipping 256 matching lines @@
       'sources': [
         # Note: sources list duplicated in GN build.
         'test/cocoa_test_event_utils.h',
         'test/cocoa_test_event_utils.mm',
         'test/event_generator.cc',
         'test/event_generator.h',
         'test/events_test_utils.cc',
         'test/events_test_utils.h',
         'test/events_test_utils_x11.cc',
         'test/events_test_utils_x11.h',
-        'test/mock_motion_event.cc',
-        'test/mock_motion_event.h',
+        'test/motion_event_test_utils.cc',
+        'test/motion_event_test_utils.h',
         'test/platform_event_waiter.cc',
         'test/platform_event_waiter.h',
         'test/test_event_handler.cc',
         'test/test_event_handler.h',
         'test/test_event_processor.cc',
         'test/test_event_processor.h',
         'test/test_event_target.cc',
         'test/test_event_target.h',
       ],
       'conditions': [
@@ skipping 101 matching lines @@
           ],
           'variables': {
             'test_suite_name': 'events_unittests',
           },
           'includes': [ '../../build/apk_test.gypi' ],
         },
       ],
     }],
   ],
 }