Consolidate content fling implementations

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 20 matching lines @@
         '<(DEPTH)/skia/skia.gyp:skia',
         '../gfx/gfx.gyp:gfx',
         '../gfx/gfx.gyp:gfx_geometry',
         'dom4_keycode_converter',
       ],
       'defines': [
         'EVENTS_BASE_IMPLEMENTATION',
       ],
       'sources': [
         # Note: sources list duplicated in GN build.
+        'android/scroller.cc',
+        'android/scroller.h',
         'device_data_manager.cc',
         'device_data_manager.h',
         'device_hotplug_event_observer.h',
         'event_constants.h',
         'event_switches.cc',
         'event_switches.h',
         'events_base_export.h',
+        'gesture_curve.h',
         'gesture_event_details.cc',
         'gesture_event_details.h',
         'gestures/fling_curve.cc',
         'gestures/fling_curve.h',
         'gestures/gesture_configuration.cc',
         'gestures/gesture_configuration.h',
         'keycodes/keyboard_code_conversion.cc',
         'keycodes/keyboard_code_conversion.h',
         'keycodes/keyboard_code_conversion_android.cc',
         'keycodes/keyboard_code_conversion_android.h',
@@ skipping 242 matching lines @@
         '../gfx/gfx.gyp:gfx_test_support',
         'dom4_keycode_converter',
         'events',
         'events_base',
         'events_test_support',
         'gesture_detection',
         'platform/events_platform.gyp:events_platform',
       ],
       'sources': [
         # Note: sources list duplicated in GN build.
+        'android/scroller_unittest.cc',
         'cocoa/events_mac_unittest.mm',
         'event_dispatcher_unittest.cc',
         'event_processor_unittest.cc',
         'event_rewriter_unittest.cc',
         'event_unittest.cc',
         'gesture_detection/bitset_32_unittest.cc',
         'gesture_detection/gesture_event_data_packet_unittest.cc',
         'gesture_detection/gesture_provider_unittest.cc',
         'gesture_detection/motion_event_buffer_unittest.cc',
         'gesture_detection/motion_event_generic_unittest.cc',
@@ skipping 61 matching lines @@
           ],
           'variables': {
             'test_suite_name': 'events_unittests',
           },
           'includes': [ '../../build/apk_test.gypi' ],
         },
       ],
     }],
   ],
 }