Source/WebKit/chromium/features.gypi - private/55048997-blink2 - Git at Google

 #
 # Copyright (C) 2009 Google Inc. All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
 # modification, are permitted provided that the following conditions are
 # met:
 #
 #     * Redistributions of source code must retain the above copyright
 # notice, this list of conditions and the following disclaimer.
 #     * Redistributions in binary form must reproduce the above
 # copyright notice, this list of conditions and the following disclaimer
 # in the documentation and/or other materials provided with the
 # distribution.
 #     * Neither the name of Google Inc. nor the names of its
 # contributors may be used to endorse or promote products derived from
 # this software without specific prior written permission.
 #
 # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 # A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 # OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 #

 {
   # The following defines turn WebKit features on and off.
   'variables': {
     'feature_defines': [
       'ENABLE_3D_PLUGIN=1',
       'ENABLE_BATTERY_STATUS=0',
       'ENABLE_BLOB=1',
       'ENABLE_BLOB_SLICE=1',
       'ENABLE_CANVAS_PATH=1',
       'ENABLE_CANVAS_PROXY=1',
       'ENABLE_CHANNEL_MESSAGING=1',
       'ENABLE_CSP_NEXT=1',
       'ENABLE_CSS3_CONDITIONAL_RULES=0',
       'ENABLE_CSS3_TEXT=0',
       'ENABLE_CSS3_TEXT_LINE_BREAK=0',
       'ENABLE_CSS_BOX_DECORATION_BREAK=1',
       'ENABLE_CSS_COMPOSITING=0',
       'ENABLE_CSS_DEVICE_ADAPTATION=0',
       'ENABLE_CSS_EXCLUSIONS=1',
       'ENABLE_CSS_FILTERS=1',
       'ENABLE_CSS_IMAGE_SET=1',
       'ENABLE_CSS_IMAGE_RESOLUTION=0',
       'ENABLE_CSS_REGIONS=1',
       'ENABLE_CSS_SHADERS=1',
       'ENABLE_CSS_TRANSFORMS_ANIMATIONS_UNPREFIXED=0',
       'ENABLE_CSS_VARIABLES=1',
       'ENABLE_CSS_STICKY_POSITION=1',
       'ENABLE_CUSTOM_ELEMENTS=1',
       'ENABLE_CUSTOM_SCHEME_HANDLER=0',
       'ENABLE_DASHBOARD_SUPPORT=0',
       'ENABLE_DATA_TRANSFER_ITEMS=1',
       'ENABLE_DETAILS_ELEMENT=1',
       'ENABLE_DEVICE_ORIENTATION=1',
       'ENABLE_DIALOG_ELEMENT=1',
       'ENABLE_DIRECTORY_UPLOAD=1',
       'ENABLE_DOM4_EVENTS_CONSTRUCTOR=1',
       'ENABLE_DOWNLOAD_ATTRIBUTE=1',
       'ENABLE_DRAGGABLE_REGION=1',
       'ENABLE_ENCRYPTED_MEDIA=1',
       'ENABLE_FILE_SYSTEM=1',
       'ENABLE_FILTERS=1',
       'ENABLE_FONT_LOAD_EVENTS=1',
       'ENABLE_FULLSCREEN_API=1',
       'ENABLE_GAMEPAD=1',
       'ENABLE_GEOLOCATION=1',
       'ENABLE_GESTURE_EVENTS=1',
       'ENABLE_ICONDATABASE=0',
       'ENABLE_IFRAME_SEAMLESS=1',
       'ENABLE_INDEXED_DATABASE=1',
       'ENABLE_INPUT_TYPE_DATE=1',
       'ENABLE_INPUT_TYPE_DATETIMELOCAL=1',
       'ENABLE_INPUT_TYPE_MONTH=1',
       'ENABLE_INPUT_TYPE_TIME=1',
       'ENABLE_JAVASCRIPT_DEBUGGER=1',
       'ENABLE_JAVASCRIPT_I18N_API=1',
       'ENABLE_LEGACY_CSS_VENDOR_PREFIXES=0',
       'ENABLE_LEGACY_VIEWPORT_ADAPTION=1',
       'ENABLE_LEGACY_VENDOR_PREFIXES=0',
       'ENABLE_LEGACY_WEB_AUDIO=1',
       'ENABLE_LINK_PREFETCH=1',
       'ENABLE_LINK_PRERENDER=1',
       'ENABLE_MATHML=0',
       'ENABLE_MEDIA_SOURCE=1',
       'ENABLE_MEDIA_STATISTICS=1',
       'ENABLE_MEDIA_STREAM=<(enable_webrtc)',
       'ENABLE_METER_ELEMENT=1',
       'ENABLE_MHTML=1',
       'ENABLE_MICRODATA=0',
       'ENABLE_MOUSE_CURSOR_SCALE=1',
       'ENABLE_NOSNIFF=1',
       'ENABLE_PAGE_VISIBILITY_API=1',
       'ENABLE_PERFORMANCE_TIMELINE=1',
       'ENABLE_POINTER_LOCK=1',
       'ENABLE_PROGRESS_ELEMENT=1',
       'ENABLE_PROXIMITY_EVENTS=0',
       'ENABLE_QUOTA=1',
       'ENABLE_REQUEST_ANIMATION_FRAME=1',
       'ENABLE_REQUEST_AUTOCOMPLETE=1',
       'ENABLE_RESOLUTION_MEDIA_QUERY=0',
       'ENABLE_RESOURCE_TIMING=1',
       'ENABLE_RUBY=1',
       'ENABLE_SANDBOX=1',
       'ENABLE_SCRIPTED_SPEECH=1',
       'ENABLE_SHADOW_DOM=1',
       'ENABLE_SMOOTH_SCROLLING=1',
       'ENABLE_SPEECH_SYNTHESIS=0',
       'ENABLE_SQL_DATABASE=<(enable_sql_database)',
       'ENABLE_STYLE_SCOPED=1',
       'ENABLE_SUBPIXEL_LAYOUT=1',
       'ENABLE_SVG=<(enable_svg)',
       'ENABLE_SVG_FONTS=<(enable_svg)',
       'ENABLE_TEMPLATE_ELEMENT=1',
       'ENABLE_TEXT_AUTOSIZING=1',
       'ENABLE_THREADED_HTML_PARSER=1',
       'ENABLE_TOUCH_ADJUSTMENT=1',
       'ENABLE_TOUCH_EVENTS=<(enable_touch_events)',
       'ENABLE_TOUCH_EVENT_TRACKING=<(enable_touch_events)',
       'ENABLE_TOUCH_ICON_LOADING=<(enable_touch_icon_loading)',
       'ENABLE_TOUCH_SLIDER=1',
       'ENABLE_USER_TIMING=1',
       'ENABLE_V8_SCRIPT_DEBUG_SERVER=1',
       'ENABLE_VIDEO=1',
       'ENABLE_VIDEO_TRACK=1',
       'ENABLE_VIEWPORT=1',
       'ENABLE_VIEWSOURCE_ATTRIBUTE=0',
       'ENABLE_VIEW_MODE_CSS_MEDIA=1',
       'ENABLE_WEBGL=1',
       'ENABLE_WEB_SOCKETS=1',
       'ENABLE_WEB_TIMING=1',
       'ENABLE_WORKERS=1',
       'ENABLE_XHR_TIMEOUT=0',
       'ENABLE_XSLT=1',
       'WTF_USE_LEVELDB=1',
       'WTF_USE_BUILTIN_UTF8_CODEC=1',
       # WTF_USE_DYNAMIC_ANNOTATIONS=1 may be defined in build/common.gypi
       # We can't define it here because it should be present only
       # in Debug or release_valgrind_build=1 builds.
       'WTF_USE_OPENTYPE_SANITIZER=1',
       'WTF_USE_RTL_SCROLLBAR=1',
       'WTF_USE_SKIA_TEXT=<(enable_skia_text)',
       'WTF_USE_WEBP=1',
       'WTF_USE_WEBKIT_IMAGE_DECODERS=1',
     ],
     # We have to nest variables inside variables so that they can be overridden
     # through GYP_DEFINES.
     'variables': {
       'use_accelerated_compositing%': 1,
       'enable_skia_text%': 1,
       'enable_sql_database%': 1,
       'enable_svg%': 1,
       'enable_touch_events%': 1,
       'enable_touch_icon_loading%' : 0,
     },
     'use_accelerated_compositing%': '<(use_accelerated_compositing)',
     'enable_skia_text%': '<(enable_skia_text)',
     'enable_sql_database%': '<(enable_sql_database)',
     'enable_svg%': '<(enable_svg)',
     'enable_touch_events%': '<(enable_touch_events)',
     'conditions': [
       ['OS=="android"', {
         'feature_defines': [
           'ENABLE_CALENDAR_PICKER=0',
           'ENABLE_DATALIST_ELEMENT=0',
           'ENABLE_FAST_MOBILE_SCROLLING=1',
           'ENABLE_INPUT_SPEECH=0',
           'ENABLE_INPUT_TYPE_COLOR=0',
           'ENABLE_INPUT_TYPE_WEEK=0',
           'ENABLE_LEGACY_NOTIFICATIONS=0',
           'ENABLE_MEDIA_CAPTURE=1',
           'ENABLE_NOTIFICATIONS=0',
           'ENABLE_ORIENTATION_EVENTS=1',
           'ENABLE_PAGE_POPUP=0',
           'ENABLE_PRINTING=0',
           'ENABLE_NAVIGATOR_CONTENT_UTILS=0',
           # FIXME: Disable once the linking error has been resolved.
           # https://bugs.webkit.org/show_bug.cgi?id=88636
           'ENABLE_SHARED_WORKERS=1',
           'WTF_USE_NATIVE_FULLSCREEN_VIDEO=1',
         ],
         'enable_touch_icon_loading': 1,
       }, { # OS!="android"
         'feature_defines': [
           'ENABLE_CALENDAR_PICKER=1',
           'ENABLE_DATALIST_ELEMENT=1',
           'ENABLE_INPUT_SPEECH=1',
           'ENABLE_INPUT_TYPE_COLOR=1',
           'ENABLE_INPUT_TYPE_WEEK=1',
           'ENABLE_INPUT_MULTIPLE_FIELDS_UI=1',
           'ENABLE_LEGACY_NOTIFICATIONS=1',
           'ENABLE_MEDIA_CAPTURE=0',
           'ENABLE_NAVIGATOR_CONTENT_UTILS=1',
           'ENABLE_NOTIFICATIONS=1',
           'ENABLE_ORIENTATION_EVENTS=0',
           'ENABLE_PAGE_POPUP=1',
           'ENABLE_PRINTING=1',
           'ENABLE_SHARED_WORKERS=1',
           'ENABLE_WEB_AUDIO=1',
         ],
       }],
       ['OS=="linux" or OS=="mac" or OS=="android"', {
         'feature_defines': [
           # 8Bit text runs should be enabled for all platforms webkit.org/b/111348
           'ENABLE_8BIT_TEXTRUN=1',
           'ENABLE_BINDING_INTEGRITY=1',
         ],
       }, { # OS!="linux"
         'feature_defines': [
           'ENABLE_BINDING_INTEGRITY=0',
         ],
       }],
       ['use_accelerated_compositing==1', {
         'feature_defines': [
           'ENABLE_3D_RENDERING=1',
           'ENABLE_ACCELERATED_2D_CANVAS=1',
           'WTF_USE_ACCELERATED_COMPOSITING=1',
         ],
       }],
       # Mac OS X uses Accelerate.framework FFT by default instead of FFmpeg.
       ['OS!="mac" and OS!="android"', {
         'feature_defines': [
           'WTF_USE_WEBAUDIO_FFMPEG=1',
         ],
       }],
       ['OS=="android" and use_openmax_dl_fft!=0', {
         'feature_defines': [
           'WTF_USE_WEBAUDIO_OPENMAX_DL_FFT=1',
           # Enabling the FFT is enough to enable WebAudio support to
           # allow most WebAudio features to work on Android.
           'ENABLE_WEB_AUDIO=1',
         ],
       }],
       ['OS=="win" or OS=="android" or use_x11==1', {
         'feature_defines': [
           'ENABLE_OPENTYPE_VERTICAL=1',
         ],
       }],
       ['OS=="mac"', {
         'feature_defines': [
           'ENABLE_RUBBER_BANDING=1',
           'WTF_USE_SKIA_ON_MAC_CHROMIUM=1',
         ],
       }],
       ['use_x11==1 or OS=="android"', {
         'feature_defines': [
           'WTF_USE_HARFBUZZ=1',
         ],
       }],
       ['use_default_render_theme==1', {
         'feature_defines': [
           'ENABLE_DEFAULT_RENDER_THEME=1',
         ],
       }],
     ],
   },
 }
	#
	# Copyright (C) 2009 Google Inc. All rights reserved.
	#
	# Redistribution and use in source and binary forms, with or without
	# modification, are permitted provided that the following conditions are
	# met:
	#
	# * Redistributions of source code must retain the above copyright
	# notice, this list of conditions and the following disclaimer.
	# * Redistributions in binary form must reproduce the above
	# copyright notice, this list of conditions and the following disclaimer
	# in the documentation and/or other materials provided with the
	# distribution.
	# * Neither the name of Google Inc. nor the names of its
	# contributors may be used to endorse or promote products derived from
	# this software without specific prior written permission.
	#
	# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
	# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
	# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
	# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
	# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
	# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
	# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
	# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
	# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
	# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
	# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
	#

	{
	# The following defines turn WebKit features on and off.
	'variables': {
	'feature_defines': [
	'ENABLE_3D_PLUGIN=1',
	'ENABLE_BATTERY_STATUS=0',
	'ENABLE_BLOB=1',
	'ENABLE_BLOB_SLICE=1',
	'ENABLE_CANVAS_PATH=1',
	'ENABLE_CANVAS_PROXY=1',
	'ENABLE_CHANNEL_MESSAGING=1',
	'ENABLE_CSP_NEXT=1',
	'ENABLE_CSS3_CONDITIONAL_RULES=0',
	'ENABLE_CSS3_TEXT=0',
	'ENABLE_CSS3_TEXT_LINE_BREAK=0',
	'ENABLE_CSS_BOX_DECORATION_BREAK=1',
	'ENABLE_CSS_COMPOSITING=0',
	'ENABLE_CSS_DEVICE_ADAPTATION=0',
	'ENABLE_CSS_EXCLUSIONS=1',
	'ENABLE_CSS_FILTERS=1',
	'ENABLE_CSS_IMAGE_SET=1',
	'ENABLE_CSS_IMAGE_RESOLUTION=0',
	'ENABLE_CSS_REGIONS=1',
	'ENABLE_CSS_SHADERS=1',
	'ENABLE_CSS_TRANSFORMS_ANIMATIONS_UNPREFIXED=0',
	'ENABLE_CSS_VARIABLES=1',
	'ENABLE_CSS_STICKY_POSITION=1',
	'ENABLE_CUSTOM_ELEMENTS=1',
	'ENABLE_CUSTOM_SCHEME_HANDLER=0',
	'ENABLE_DASHBOARD_SUPPORT=0',
	'ENABLE_DATA_TRANSFER_ITEMS=1',
	'ENABLE_DETAILS_ELEMENT=1',
	'ENABLE_DEVICE_ORIENTATION=1',
	'ENABLE_DIALOG_ELEMENT=1',
	'ENABLE_DIRECTORY_UPLOAD=1',
	'ENABLE_DOM4_EVENTS_CONSTRUCTOR=1',
	'ENABLE_DOWNLOAD_ATTRIBUTE=1',
	'ENABLE_DRAGGABLE_REGION=1',
	'ENABLE_ENCRYPTED_MEDIA=1',
	'ENABLE_FILE_SYSTEM=1',
	'ENABLE_FILTERS=1',
	'ENABLE_FONT_LOAD_EVENTS=1',
	'ENABLE_FULLSCREEN_API=1',
	'ENABLE_GAMEPAD=1',
	'ENABLE_GEOLOCATION=1',
	'ENABLE_GESTURE_EVENTS=1',
	'ENABLE_ICONDATABASE=0',
	'ENABLE_IFRAME_SEAMLESS=1',
	'ENABLE_INDEXED_DATABASE=1',
	'ENABLE_INPUT_TYPE_DATE=1',
	'ENABLE_INPUT_TYPE_DATETIMELOCAL=1',
	'ENABLE_INPUT_TYPE_MONTH=1',
	'ENABLE_INPUT_TYPE_TIME=1',
	'ENABLE_JAVASCRIPT_DEBUGGER=1',
	'ENABLE_JAVASCRIPT_I18N_API=1',
	'ENABLE_LEGACY_CSS_VENDOR_PREFIXES=0',
	'ENABLE_LEGACY_VIEWPORT_ADAPTION=1',
	'ENABLE_LEGACY_VENDOR_PREFIXES=0',
	'ENABLE_LEGACY_WEB_AUDIO=1',
	'ENABLE_LINK_PREFETCH=1',
	'ENABLE_LINK_PRERENDER=1',
	'ENABLE_MATHML=0',
	'ENABLE_MEDIA_SOURCE=1',
	'ENABLE_MEDIA_STATISTICS=1',
	'ENABLE_MEDIA_STREAM=<(enable_webrtc)',
	'ENABLE_METER_ELEMENT=1',
	'ENABLE_MHTML=1',
	'ENABLE_MICRODATA=0',
	'ENABLE_MOUSE_CURSOR_SCALE=1',
	'ENABLE_NOSNIFF=1',
	'ENABLE_PAGE_VISIBILITY_API=1',
	'ENABLE_PERFORMANCE_TIMELINE=1',
	'ENABLE_POINTER_LOCK=1',
	'ENABLE_PROGRESS_ELEMENT=1',
	'ENABLE_PROXIMITY_EVENTS=0',
	'ENABLE_QUOTA=1',
	'ENABLE_REQUEST_ANIMATION_FRAME=1',
	'ENABLE_REQUEST_AUTOCOMPLETE=1',
	'ENABLE_RESOLUTION_MEDIA_QUERY=0',
	'ENABLE_RESOURCE_TIMING=1',
	'ENABLE_RUBY=1',
	'ENABLE_SANDBOX=1',
	'ENABLE_SCRIPTED_SPEECH=1',
	'ENABLE_SHADOW_DOM=1',
	'ENABLE_SMOOTH_SCROLLING=1',
	'ENABLE_SPEECH_SYNTHESIS=0',
	'ENABLE_SQL_DATABASE=<(enable_sql_database)',
	'ENABLE_STYLE_SCOPED=1',
	'ENABLE_SUBPIXEL_LAYOUT=1',
	'ENABLE_SVG=<(enable_svg)',
	'ENABLE_SVG_FONTS=<(enable_svg)',
	'ENABLE_TEMPLATE_ELEMENT=1',
	'ENABLE_TEXT_AUTOSIZING=1',
	'ENABLE_THREADED_HTML_PARSER=1',
	'ENABLE_TOUCH_ADJUSTMENT=1',
	'ENABLE_TOUCH_EVENTS=<(enable_touch_events)',
	'ENABLE_TOUCH_EVENT_TRACKING=<(enable_touch_events)',
	'ENABLE_TOUCH_ICON_LOADING=<(enable_touch_icon_loading)',
	'ENABLE_TOUCH_SLIDER=1',
	'ENABLE_USER_TIMING=1',
	'ENABLE_V8_SCRIPT_DEBUG_SERVER=1',
	'ENABLE_VIDEO=1',
	'ENABLE_VIDEO_TRACK=1',
	'ENABLE_VIEWPORT=1',
	'ENABLE_VIEWSOURCE_ATTRIBUTE=0',
	'ENABLE_VIEW_MODE_CSS_MEDIA=1',
	'ENABLE_WEBGL=1',
	'ENABLE_WEB_SOCKETS=1',
	'ENABLE_WEB_TIMING=1',
	'ENABLE_WORKERS=1',
	'ENABLE_XHR_TIMEOUT=0',
	'ENABLE_XSLT=1',
	'WTF_USE_LEVELDB=1',
	'WTF_USE_BUILTIN_UTF8_CODEC=1',
	# WTF_USE_DYNAMIC_ANNOTATIONS=1 may be defined in build/common.gypi
	# We can't define it here because it should be present only
	# in Debug or release_valgrind_build=1 builds.
	'WTF_USE_OPENTYPE_SANITIZER=1',
	'WTF_USE_RTL_SCROLLBAR=1',
	'WTF_USE_SKIA_TEXT=<(enable_skia_text)',
	'WTF_USE_WEBP=1',
	'WTF_USE_WEBKIT_IMAGE_DECODERS=1',
	],
	# We have to nest variables inside variables so that they can be overridden
	# through GYP_DEFINES.
	'variables': {
	'use_accelerated_compositing%': 1,
	'enable_skia_text%': 1,
	'enable_sql_database%': 1,
	'enable_svg%': 1,
	'enable_touch_events%': 1,
	'enable_touch_icon_loading%' : 0,
	},
	'use_accelerated_compositing%': '<(use_accelerated_compositing)',
	'enable_skia_text%': '<(enable_skia_text)',
	'enable_sql_database%': '<(enable_sql_database)',
	'enable_svg%': '<(enable_svg)',
	'enable_touch_events%': '<(enable_touch_events)',
	'conditions': [
	['OS=="android"', {
	'feature_defines': [
	'ENABLE_CALENDAR_PICKER=0',
	'ENABLE_DATALIST_ELEMENT=0',
	'ENABLE_FAST_MOBILE_SCROLLING=1',
	'ENABLE_INPUT_SPEECH=0',
	'ENABLE_INPUT_TYPE_COLOR=0',
	'ENABLE_INPUT_TYPE_WEEK=0',
	'ENABLE_LEGACY_NOTIFICATIONS=0',
	'ENABLE_MEDIA_CAPTURE=1',
	'ENABLE_NOTIFICATIONS=0',
	'ENABLE_ORIENTATION_EVENTS=1',
	'ENABLE_PAGE_POPUP=0',
	'ENABLE_PRINTING=0',
	'ENABLE_NAVIGATOR_CONTENT_UTILS=0',
	# FIXME: Disable once the linking error has been resolved.
	# https://bugs.webkit.org/show_bug.cgi?id=88636
	'ENABLE_SHARED_WORKERS=1',
	'WTF_USE_NATIVE_FULLSCREEN_VIDEO=1',
	],
	'enable_touch_icon_loading': 1,
	}, { # OS!="android"
	'feature_defines': [
	'ENABLE_CALENDAR_PICKER=1',
	'ENABLE_DATALIST_ELEMENT=1',
	'ENABLE_INPUT_SPEECH=1',
	'ENABLE_INPUT_TYPE_COLOR=1',
	'ENABLE_INPUT_TYPE_WEEK=1',
	'ENABLE_INPUT_MULTIPLE_FIELDS_UI=1',
	'ENABLE_LEGACY_NOTIFICATIONS=1',
	'ENABLE_MEDIA_CAPTURE=0',
	'ENABLE_NAVIGATOR_CONTENT_UTILS=1',
	'ENABLE_NOTIFICATIONS=1',
	'ENABLE_ORIENTATION_EVENTS=0',
	'ENABLE_PAGE_POPUP=1',
	'ENABLE_PRINTING=1',
	'ENABLE_SHARED_WORKERS=1',
	'ENABLE_WEB_AUDIO=1',
	],
	}],
	['OS=="linux" or OS=="mac" or OS=="android"', {
	'feature_defines': [
	# 8Bit text runs should be enabled for all platforms webkit.org/b/111348
	'ENABLE_8BIT_TEXTRUN=1',
	'ENABLE_BINDING_INTEGRITY=1',
	],
	}, { # OS!="linux"
	'feature_defines': [
	'ENABLE_BINDING_INTEGRITY=0',
	],
	}],
	['use_accelerated_compositing==1', {
	'feature_defines': [
	'ENABLE_3D_RENDERING=1',
	'ENABLE_ACCELERATED_2D_CANVAS=1',
	'WTF_USE_ACCELERATED_COMPOSITING=1',
	],
	}],
	# Mac OS X uses Accelerate.framework FFT by default instead of FFmpeg.
	['OS!="mac" and OS!="android"', {
	'feature_defines': [
	'WTF_USE_WEBAUDIO_FFMPEG=1',
	],
	}],
	['OS=="android" and use_openmax_dl_fft!=0', {
	'feature_defines': [
	'WTF_USE_WEBAUDIO_OPENMAX_DL_FFT=1',
	# Enabling the FFT is enough to enable WebAudio support to
	# allow most WebAudio features to work on Android.
	'ENABLE_WEB_AUDIO=1',
	],
	}],
	['OS=="win" or OS=="android" or use_x11==1', {
	'feature_defines': [
	'ENABLE_OPENTYPE_VERTICAL=1',
	],
	}],
	['OS=="mac"', {
	'feature_defines': [
	'ENABLE_RUBBER_BANDING=1',
	'WTF_USE_SKIA_ON_MAC_CHROMIUM=1',
	],
	}],
	['use_x11==1 or OS=="android"', {
	'feature_defines': [
	'WTF_USE_HARFBUZZ=1',
	],
	}],
	['use_default_render_theme==1', {
	'feature_defines': [
	'ENABLE_DEFAULT_RENDER_THEME=1',
	],
	}],
	],
	},
	}