Extract touchscreen device management into a generic manager

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 16 matching lines @@
         '<(DEPTH)/base/third_party/dynamic_annotations/dynamic_annotations.gyp:dynamic_annotations',
         '<(DEPTH)/skia/skia.gyp:skia',
         '../gfx/gfx.gyp:gfx',
         '../gfx/gfx.gyp:gfx_geometry',
         'dom4_keycode_converter',
       ],
       'defines': [
         'EVENTS_BASE_IMPLEMENTATION',
       ],
       'sources': [
+        'device_data_manager.cc',
+        'device_data_manager.h',
         'event_constants.h',
         'event_switches.cc',
         'event_switches.h',
         'events_base_export.h',
         'gesture_event_details.cc',
         'gesture_event_details.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',
         'keycodes/keyboard_code_conversion_mac.h',
         'keycodes/keyboard_code_conversion_mac.mm',
         'keycodes/keyboard_code_conversion_win.cc',
         'keycodes/keyboard_code_conversion_win.h',
         'keycodes/keyboard_code_conversion_x.cc',
         'keycodes/keyboard_code_conversion_x.h',
         'keycodes/keyboard_codes.h',
         'latency_info.cc',
         'latency_info.h',
-        'x/device_data_manager.cc',
-        'x/device_data_manager.h',
+        'x/device_data_manager_x11.cc',
+        'x/device_data_manager_x11.h',
         'x/device_list_cache_x.cc',
         'x/device_list_cache_x.h',
         'x/touch_factory_x11.cc',
         'x/touch_factory_x11.h',
       ],
       'conditions': [
         ['use_x11==1', {
           'dependencies': [
             '../../build/linux/system.gyp:x11',
             '../gfx/x/gfx_x11.gyp:gfx_x11',
@@ skipping 270 matching lines @@
           ],
           'variables': {
             'test_suite_name': 'events_unittests',
           },
           'includes': [ '../../build/apk_test.gypi' ],
         },
       ],
     }],
   ],
 }