{
  # The following defines turn WebKit features on and off.
  'variables': {
    'feature_defines': [
      'ENABLE_CALENDAR_PICKER=0',
      'ENABLE_FAST_MOBILE_SCROLLING=1',
      'ENABLE_INPUT_SPEECH=0',
      'ENABLE_LEGACY_NOTIFICATIONS=0',
      'ENABLE_MEDIA_CAPTURE=1',
      'ENABLE_NOTIFICATIONS=0',
      'ENABLE_ORIENTATION_EVENTS=1',
      'ENABLE_PRINTING=0',
      'ENABLE_NAVIGATOR_CONTENT_UTILS=0',
      'WTF_USE_NATIVE_FULLSCREEN_VIDEO=1',
      'WTF_USE_WEBAUDIO_FFMPEG=0',
      'ENABLE_3D_RENDERING=1',
      'ENABLE_ACCELERATED_2D_CANVAS=0',
      'ENABLE_ACCELERATED_OVERFLOW_SCROLLING=0',
      'ENABLE_BLOB=1',
      'ENABLE_CACHE_PARTITIONING=0',
      'ENABLE_CANVAS_PATH=1',
      'ENABLE_CANVAS_PROXY=0',
      'ENABLE_CHANNEL_MESSAGING=1',
      'ENABLE_CSP_NEXT=0',
      'ENABLE_CSS_BOX_DECORATION_BREAK=1',
      'ENABLE_CSS_COMPOSITING=1',
      'ENABLE_CSS_DEVICE_ADAPTATION=0',
      'ENABLE_CSS_EXCLUSIONS=1',
      'ENABLE_CSS_FILTERS=1',
      'ENABLE_CSS_IMAGE_ORIENTATION=0',
      'ENABLE_CSS_IMAGE_RESOLUTION=0',
      'ENABLE_CSS_REGIONS=1',
      'ENABLE_CSS_SHADERS=1',
      'ENABLE_CSS_SHAPES=1',
      'ENABLE_CSS_STICKY_POSITION=1',
      'ENABLE_CSS_TRANSFORMS_ANIMATIONS_UNPREFIXED=1',
      'ENABLE_CSS3_CONDITIONAL_RULES=0',
      'ENABLE_CSS3_TEXT=0',
      'ENABLE_CSS3_TEXT_DECORATION=1',
      'ENABLE_CSS3_TEXT_LINE_BREAK=0',
      'ENABLE_CURSOR_VISIBILITY=1',
      'ENABLE_CUSTOM_SCHEME_HANDLER=0',
      'ENABLE_DASHBOARD_SUPPORT=0',
      'ENABLE_DATALIST_ELEMENT=0',
      'ENABLE_DATA_TRANSFER_ITEMS=0',
      'ENABLE_DETAILS_ELEMENT=1',
      'ENABLE_DEVICE_ORIENTATION=0',
      'ENABLE_DIRECTORY_UPLOAD=0',
      'ENABLE_DOM4_EVENTS_CONSTRUCTOR=1',
      'ENABLE_DRAGGABLE_REGION=0',
      'ENABLE_ENCRYPTED_MEDIA=0',
      'ENABLE_ENCRYPTED_MEDIA_V2=0',
      'ENABLE_FILTERS=1',
      'ENABLE_FONT_LOAD_EVENTS=0',
      'ENABLE_FULLSCREEN_API=1',
      'ENABLE_GAMEPAD=0',
      'ENABLE_GEOLOCATION=1',
      'ENABLE_HIDDEN_PAGE_DOM_TIMER_THROTTLING=0',
      'ENABLE_HIGH_DPI_CANVAS=1',
      'ENABLE_ICONDATABASE=0',
      'ENABLE_IFRAME_SEAMLESS=1',
      'ENABLE_INDEXED_DATABASE=1',
      'ENABLE_INDIE_UI=1',
      'ENABLE_INPUT_SPEECH=0',
      'ENABLE_INPUT_TYPE_COLOR=1',
      'ENABLE_INPUT_TYPE_COLOR_POPOVER=1',
      'ENABLE_INPUT_TYPE_DATE=1',
      'ENABLE_INPUT_TYPE_DATETIME_INCOMPLETE=0',
      'ENABLE_INPUT_TYPE_DATETIMELOCAL=1',
      'ENABLE_INPUT_TYPE_MONTH=1',
      'ENABLE_INPUT_TYPE_TIME=1',
      'ENABLE_INPUT_TYPE_WEEK=1',
      'ENABLE_IOS_AIRPLAY=0',
      'ENABLE_IOS_TEXT_AUTOSIZING=0',
      'ENABLE_JAVASCRIPT_DEBUGGER=0',
      'ENABLE_LEGACY_CSS_VENDOR_PREFIXES=1',
      'ENABLE_LEGACY_VENDOR_PREFIXES=1',
      'ENABLE_LEGACY_WEB_AUDIO=0',
      'ENABLE_LETTERPRESS=1',
      'ENABLE_LINK_PREFETCH=0',
      'ENABLE_MATHML=1',
      'ENABLE_MEDIA_CONTROLS_SCRIPT=0',
      'ENABLE_MEDIA_SOURCE=0',
      'ENABLE_MEDIA_STATISTICS=0',
      'ENABLE_METER_ELEMENT=1',
      'ENABLE_MHTML=0',
      'ENABLE_MOUSE_CURSOR_SCALE=0',
      'ENABLE_MOUSE_CURSOR_SCALE_macosx=1',
      'ENABLE_NAVIGATOR_CONTENT_UTILS=0',
      'ENABLE_NOSNIFF=0',
      'ENABLE_PAGE_VISIBILITY_API=1',
      'ENABLE_PDFKIT_PLUGIN=0',
      'ENABLE_PLUGIN_PROXY_FOR_VIDEO=0',
      'ENABLE_PROGRESS_ELEMENT=1',
      'ENABLE_PROMISES=1',
      'ENABLE_PROXIMITY_EVENTS=0',
      'ENABLE_PUBLIC_SUFFIX_LIST=1',
      'ENABLE_QUOTA=0',
      'ENABLE_REQUEST_ANIMATION_FRAME=1',
      'ENABLE_REMOTE_INSPECTOR=0',
      'ENABLE_RESOLUTION_MEDIA_QUERY=0',
      'ENABLE_SCRIPTED_SPEECH=0',
      'ENABLE_SHADOW_DOM=0',
      'ENABLE_SHARED_WORKERS=0',
      'ENABLE_SPEECH_SYNTHESIS=0',
      'ENABLE_SPEECH_SYNTHESIS=0',
      'ENABLE_SQL_DATABASE=0',
      'ENABLE_SUBPIXEL_LAYOUT=0',
      'ENABLE_SUBTLE_CRYPTO=0',
      'ENABLE_SVG=1',
      'ENABLE_SVG_FONTS=1',
      'ENABLE_TEMPLATE_ELEMENT=1',
      'ENABLE_TEXT_AUTOSIZING=0',
      'ENABLE_THREADED_HTML_PARSER=0',
      'ENABLE_TOUCH_EVENTS=0',
      'ENABLE_TOUCH_ICON_LOADING=0',
      'ENABLE_USERSELECT_ALL=1',
      'ENABLE_VIDEO=0',
      'ENABLE_VIDEO_TRACK=0',
      'ENABLE_VIEW_MODE_CSS_MEDIA=0',
      'ENABLE_WEBGL=1',
      'ENABLE_WEB_ANIMATIONS=1',
      'ENABLE_WEB_AUDIO=0',
      'ENABLE_WEB_SOCKETS=0',
      'ENABLE_WEB_TIMING=0',
      'ENABLE_WORKERS=0',
      'ENABLE_XHR_TIMEOUT=1',
      'ENABLE_XSLT=0',
      'ENABLE_FTL_JIT=0',
      'ENABLE_LLINT_C_LOOP=0',
    ],
  },
}
