Add animatable flag to CSSProperties.in

Source/core/css/CSSProperties.in

Index: Source/core/css/CSSProperties.in
diff --git a/Source/core/css/CSSProperties.in b/Source/core/css/CSSProperties.in
index 08595f55ff3a235abf35894169e902f836accb76..67e4f232d4f7303d52ba9443b11d20864e9e3298 100644
--- a/Source/core/css/CSSProperties.in
+++ b/Source/core/css/CSSProperties.in
@@ -13,6 +13,14 @@
 // The property is a shorthand for several other properties.
 
 
+// Flags which go into CSSPropertyMetadata:
+// - animatable
+// The animatable flag indicates whether a property can be animated by CSS
+// animations and transitions. If this flag is set, the property should also be
+// added to the switch statements in AnimatedStyleBuilder, CSSPropertyEquality,
+// and CSSAnimatableValueFactory.
+
+
 // The remaining arguments are used for the StyleBuilder and allow us to
 // succinctly describe how to apply properties. When default handlers are not
 // sufficient, we should prefer to use converter, and failing that define
@@ -65,27 +73,27 @@
 
 // High Priority and all other font properties.
 // Other properties can depend upon high priority properties (e.g. font-size / ems)
-color custom_all
+color animatable, custom_all
 direction custom_value
 // FIXME: This is a mess due to crbug.com/353932. Shorthands shouldn't have
 // any StyleBuilder handling!
 font custom_all, longhands=font-family;font-size;font-style;font-variant;font-weight;font-stretch;line-height
 font-family custom_all
 font-kerning font, type_name=FontDescription::Kerning, name_for_methods=Kerning
-font-size custom_all
+font-size animatable, custom_all
 font-stretch font, type_name=FontStretch, name_for_methods=Stretch
 font-style font, type_name=FontStyle, name_for_methods=Style
 font-variant font, type_name=FontVariant, name_for_methods=Variant
 font-variant-ligatures font, name_for_methods=VariantLigatures, converter=convertFontVariantLigatures
-font-weight font, type_name=FontWeight, name_for_methods=Weight, converter=convertFontWeight
+font-weight animatable, font, type_name=FontWeight, name_for_methods=Weight, converter=convertFontWeight
 -webkit-font-feature-settings font, name_for_methods=FeatureSettings, converter=convertFontFeatureSettings
 -webkit-font-smoothing font, type_name=FontSmoothingMode
 -webkit-locale custom_value
 -webkit-text-orientation custom_value
 -webkit-writing-mode custom_value
 text-rendering font, type_name=TextRenderingMode
-zoom custom_all
-line-height getter=specifiedLineHeight, custom_value
+zoom animatable, custom_all
+line-height animatable, getter=specifiedLineHeight, custom_value
 
 align-content
 align-items custom_all
@@ -95,44 +103,44 @@ backface-visibility
 background-attachment custom_all
 background-blend-mode custom_all
 background-clip custom_all
-background-color custom_all
-background-image custom_all
+background-color animatable, custom_all
+background-image animatable, custom_all
 background-origin custom_all
-background-position-x custom_all
-background-position-y custom_all
+background-position-x animatable, custom_all
+background-position-y animatable, custom_all
 background-repeat-x custom_all
 background-repeat-y custom_all
-background-size custom_all
-baseline-shift svg, custom_inherit, custom_value
-border-bottom-color custom_all
-border-bottom-left-radius initial=initialBorderRadius, converter=convertRadius
-border-bottom-right-radius initial=initialBorderRadius, converter=convertRadius
+background-size animatable, custom_all
+baseline-shift animatable, svg, custom_inherit, custom_value
+border-bottom-color animatable, custom_all
+border-bottom-left-radius animatable, initial=initialBorderRadius, converter=convertRadius
+border-bottom-right-radius animatable, initial=initialBorderRadius, converter=convertRadius
 border-bottom-style type_name=EBorderStyle, initial=initialBorderStyle
-border-bottom-width initial=initialBorderWidth, converter=convertLineWidth<unsigned>
+border-bottom-width animatable, initial=initialBorderWidth, converter=convertLineWidth<unsigned>
 border-collapse
-border-image-outset custom_all
+border-image-outset animatable, custom_all
 border-image-repeat custom_all
-border-image-slice custom_all
-border-image-source custom_value
-border-image-width custom_all
-border-left-color custom_all
+border-image-slice animatable, custom_all
+border-image-source animatable, custom_value
+border-image-width animatable, custom_all
+border-left-color animatable, custom_all
 border-left-style type_name=EBorderStyle, initial=initialBorderStyle
-border-left-width initial=initialBorderWidth, converter=convertLineWidth<unsigned>
-border-right-color custom_all
+border-left-width animatable, initial=initialBorderWidth, converter=convertLineWidth<unsigned>
+border-right-color animatable, custom_all
 border-right-style type_name=EBorderStyle, initial=initialBorderStyle
-border-right-width initial=initialBorderWidth, converter=convertLineWidth<unsigned>
-border-top-color custom_all
-border-top-left-radius initial=initialBorderRadius, converter=convertRadius
-border-top-right-radius initial=initialBorderRadius, converter=convertRadius
+border-right-width animatable, initial=initialBorderWidth, converter=convertLineWidth<unsigned>
+border-top-color animatable, custom_all
+border-top-left-radius animatable, initial=initialBorderRadius, converter=convertRadius
+border-top-right-radius animatable, initial=initialBorderRadius, converter=convertRadius
 border-top-style type_name=EBorderStyle, initial=initialBorderStyle
-border-top-width initial=initialBorderWidth, converter=convertLineWidth<unsigned>
-bottom initial=initialOffset, converter=convertLengthOrAuto
-box-shadow converter=convertShadow
+border-top-width animatable, initial=initialBorderWidth, converter=convertLineWidth<unsigned>
+bottom animatable, initial=initialOffset, converter=convertLengthOrAuto
+box-shadow animatable, converter=convertShadow
 box-sizing
 buffered-rendering svg
 caption-side
 clear
-clip custom_all
+clip animatable, custom_all
 clip-path svg, name_for_methods=ClipperResource, converter=convertFragmentIdentifier
 clip-rule svg, type_name=WindRule
 color-interpolation svg
@@ -146,18 +154,18 @@ cursor custom_all
 display
 dominant-baseline svg
 empty-cells type_name=EEmptyCell
-fill svg, setter=setFillPaint, custom_all
-fill-opacity svg, converter=convertNumberOrPercentage
+fill animatable, svg, setter=setFillPaint, custom_all
+fill-opacity animatable, svg, converter=convertNumberOrPercentage
 fill-rule svg, type_name=WindRule
 filter svg, name_for_methods=FilterResource, converter=convertFragmentIdentifier
-flex-basis converter=convertLengthOrAuto
+flex-basis animatable, converter=convertLengthOrAuto
 flex-direction
-flex-grow type_name=float
-flex-shrink type_name=float
+flex-grow animatable, type_name=float
+flex-shrink animatable, type_name=float
 flex-wrap
 float type_name=EFloat, name_for_methods=Floating
-flood-color svg, converter=convertSVGColor
-flood-opacity svg, converter=convertNumberOrPercentage
+flood-color animatable, svg, converter=convertSVGColor
+flood-opacity animatable, svg, converter=convertNumberOrPercentage
 glyph-orientation-horizontal svg, converter=convertGlyphOrientation
 glyph-orientation-vertical svg, custom_value
 grid-auto-columns converter=convertGridTrackSize
@@ -170,77 +178,77 @@ grid-row-start converter=convertGridPosition
 grid-template-areas custom_all
 grid-template-columns custom_all
 grid-template-rows custom_all
-height initial=initialSize, converter=convertLengthSizing
+height animatable, initial=initialSize, converter=convertLengthSizing
 image-rendering
 isolation
 justify-content
 justify-items custom_all
 justify-self custom_all
-left initial=initialOffset, converter=convertLengthOrAuto
-letter-spacing initial=initialLetterWordSpacing, converter=convertSpacing
-lighting-color svg, converter=convertSVGColor
-list-style-image custom_value
+left animatable, initial=initialOffset, converter=convertLengthOrAuto
+letter-spacing animatable, initial=initialLetterWordSpacing, converter=convertSpacing
+lighting-color animatable, svg, converter=convertSVGColor
+list-style-image animatable, custom_value
 list-style-position
 list-style-type
-margin-bottom initial=initialMargin, converter=convertLengthOrAuto
-margin-left initial=initialMargin, converter=convertLengthOrAuto
-margin-right initial=initialMargin, converter=convertLengthOrAuto
-margin-top initial=initialMargin, converter=convertLengthOrAuto
+margin-bottom animatable, initial=initialMargin, converter=convertLengthOrAuto
+margin-left animatable, initial=initialMargin, converter=convertLengthOrAuto
+margin-right animatable, initial=initialMargin, converter=convertLengthOrAuto
+margin-top animatable, initial=initialMargin, converter=convertLengthOrAuto
 marker-end svg, name_for_methods=MarkerEndResource, converter=convertFragmentIdentifier
 marker-mid svg, name_for_methods=MarkerMidResource, converter=convertFragmentIdentifier
 marker-start svg, name_for_methods=MarkerStartResource, converter=convertFragmentIdentifier
 mask svg, name_for_methods=MaskerResource, converter=convertFragmentIdentifier
 mask-source-type custom_all
 mask-type svg
-max-height initial=initialMaxSize, converter=convertLengthMaxSizing
-max-width initial=initialMaxSize, converter=convertLengthMaxSizing
-min-height initial=initialMinSize, converter=convertLengthSizing
-min-width initial=initialMinSize, converter=convertLengthSizing
+max-height animatable, initial=initialMaxSize, converter=convertLengthMaxSizing
+max-width animatable, initial=initialMaxSize, converter=convertLengthMaxSizing
+min-height animatable, initial=initialMinSize, converter=convertLengthSizing
+min-width animatable, initial=initialMinSize, converter=convertLengthSizing
 mix-blend-mode type_name=blink::WebBlendMode, name_for_methods=BlendMode
 object-fit type_name=ObjectFit
-object-position converter=convertLengthPoint
-opacity type_name=float
+object-position animatable, converter=convertLengthPoint
+opacity animatable, type_name=float
 order type_name=int
-orphans type_name=short, custom_all
-outline-color custom_all
-outline-offset converter=convertComputedLength<int>
+orphans animatable, type_name=short, custom_all
+outline-color animatable, custom_all
+outline-offset animatable, converter=convertComputedLength<int>
 outline-style custom_all
-outline-width converter=convertLineWidth<unsigned short>
+outline-width animatable, converter=convertLineWidth<unsigned short>
 overflow-wrap
 overflow-x type_name=EOverflow
 overflow-y type_name=EOverflow
-padding-bottom initial=initialPadding, converter=convertLength
-padding-left initial=initialPadding, converter=convertLength
-padding-right initial=initialPadding, converter=convertLength
-padding-top initial=initialPadding, converter=convertLength
+padding-bottom animatable, initial=initialPadding, converter=convertLength
+padding-left animatable, initial=initialPadding, converter=convertLength
+padding-right animatable, initial=initialPadding, converter=convertLength
+padding-top animatable, initial=initialPadding, converter=convertLength
 page-break-after type_name=EPageBreak, initial=initialPageBreak
 page-break-before type_name=EPageBreak, initial=initialPageBreak
 page-break-inside type_name=EPageBreak, initial=initialPageBreak
 paint-order svg, converter=convertPaintOrder
-perspective custom_value
-perspective-origin custom_all
+perspective animatable, custom_value
+perspective-origin animatable, custom_all
 pointer-events
 position
 quotes converter=convertQuotes
 resize custom_value
-right initial=initialOffset, converter=convertLengthOrAuto
+right animatable, initial=initialOffset, converter=convertLengthOrAuto
 scroll-behavior type_name=ScrollBehavior
-shape-image-threshold type_name=float
-shape-margin converter=convertLength
-shape-outside custom_value
+shape-image-threshold animatable, type_name=float
+shape-margin animatable, converter=convertLength
+shape-outside animatable, custom_value
 shape-rendering svg
 size custom_all
 speak
-stop-color svg, converter=convertSVGColor
-stop-opacity svg, converter=convertNumberOrPercentage
-stroke svg, setter=setStrokePaint, custom_all
-stroke-dasharray svg, name_for_methods=StrokeDashArray, converter=convertStrokeDasharray
-stroke-dashoffset svg, name_for_methods=StrokeDashOffset, converter=convertSVGLength
+stop-color animatable, svg, converter=convertSVGColor
+stop-opacity animatable, svg, converter=convertNumberOrPercentage
+stroke animatable, svg, setter=setStrokePaint, custom_all
+stroke-dasharray animatable, svg, name_for_methods=StrokeDashArray, converter=convertStrokeDasharray
+stroke-dashoffset animatable, svg, name_for_methods=StrokeDashOffset, converter=convertSVGLength
 stroke-linecap svg, type_name=LineCap, name_for_methods=CapStyle
 stroke-linejoin svg, type_name=LineJoin, name_for_methods=JoinStyle
-stroke-miterlimit svg, type_name=float, name_for_methods=StrokeMiterLimit
-stroke-opacity svg, converter=convertNumberOrPercentage
-stroke-width svg, converter=convertSVGLength
+stroke-miterlimit animatable, svg, type_name=float, name_for_methods=StrokeMiterLimit
+stroke-opacity animatable, svg, converter=convertNumberOrPercentage
+stroke-width animatable, svg, converter=convertSVGLength
 table-layout
 tab-size type_name=unsigned
 text-align custom_value
@@ -248,25 +256,25 @@ text-align-last type_name=TextAlignLast
 text-anchor svg
 // FIXME: We shouldn't switch between shorthand/not shorthand based on a runtime flag
 text-decoration use_handlers_for=CSSPropertyTextDecorationLine, longhands=text-decoration-line;text-decoration-style;text-decoration-color
-text-decoration-color custom_all
+text-decoration-color animatable, custom_all
 text-decoration-line name_for_methods=TextDecoration, converter=convertFlags<TextDecoration>
 text-decoration-style type_name=TextDecorationStyle
-text-indent custom_all
+text-indent animatable, custom_all
 text-justify type_name=TextJustify
 text-overflow type_name=TextOverflow
-text-shadow converter=convertShadow
+text-shadow animatable, converter=convertShadow
 text-transform
 text-underline-position type_name=TextUnderlinePosition
-top initial=initialOffset, converter=convertLengthOrAuto
+top animatable, initial=initialOffset, converter=convertLengthOrAuto
 touch-action converter=convertFlags<TouchAction>
 touch-action-delay type_name=TouchActionDelay
-transform custom_value
-transform-origin custom_all
+transform animatable, custom_value
+transform-origin animatable, custom_all
 transform-style name_for_methods=TransformStyle3D
 unicode-bidi
 vector-effect svg
-vertical-align custom_inherit, custom_value
-visibility
+vertical-align animatable, custom_inherit, custom_value
+visibility animatable
 // UAs must treat 'word-wrap' as an alternate name for the 'overflow-wrap' property. So using the same handlers.
 word-wrap name_for_methods=OverflowWrap
 -webkit-animation-delay custom_all
@@ -284,11 +292,11 @@ word-wrap name_for_methods=OverflowWrap
 -webkit-background-clip use_handlers_for=CSSPropertyBackgroundClip
 -webkit-background-composite custom_all
 -webkit-background-origin use_handlers_for=CSSPropertyBackgroundOrigin
--webkit-background-size use_handlers_for=CSSPropertyBackgroundSize
+-webkit-background-size animatable, use_handlers_for=CSSPropertyBackgroundSize
 -webkit-border-fit
--webkit-border-horizontal-spacing name_for_methods=HorizontalBorderSpacing, converter=convertComputedLength<short>
+-webkit-border-horizontal-spacing animatable, name_for_methods=HorizontalBorderSpacing, converter=convertComputedLength<short>
 -webkit-border-image initial=initialNinePieceImage, custom_value
--webkit-border-vertical-spacing name_for_methods=VerticalBorderSpacing, converter=convertComputedLength<short>
+-webkit-border-vertical-spacing animatable, name_for_methods=VerticalBorderSpacing, converter=convertComputedLength<short>
 -webkit-box-align type_name=EBoxAlignment
 -webkit-box-decoration-break
 -webkit-box-direction
@@ -299,19 +307,19 @@ word-wrap name_for_methods=OverflowWrap
 -webkit-box-orient
 -webkit-box-pack
 -webkit-box-reflect converter=convertBoxReflect
--webkit-box-shadow use_handlers_for=CSSPropertyBoxShadow
--webkit-clip-path custom_value
+-webkit-box-shadow animatable, use_handlers_for=CSSPropertyBoxShadow
+-webkit-clip-path animatable, custom_value
 -webkit-column-break-after type_name=EPageBreak, initial=initialPageBreak
 -webkit-column-break-before type_name=EPageBreak, initial=initialPageBreak
 -webkit-column-break-inside type_name=EPageBreak, initial=initialPageBreak
--webkit-column-count type_name=unsigned short, custom_all
--webkit-column-gap type_name=float, custom_all
--webkit-column-rule-color custom_all
+-webkit-column-count animatable, type_name=unsigned short, custom_all
+-webkit-column-gap animatable, type_name=float, custom_all
+-webkit-column-rule-color animatable, custom_all
 -webkit-column-rule-style type_name=EBorderStyle, initial=initialBorderStyle
--webkit-column-rule-width converter=convertLineWidth<unsigned short>
+-webkit-column-rule-width animatable, converter=convertLineWidth<unsigned short>
 -webkit-column-span type_name=ColumnSpan
--webkit-column-width type_name=float, custom_all
--webkit-filter custom_value
+-webkit-column-width animatable, type_name=float, custom_all
+-webkit-filter animatable, custom_value
 -webkit-highlight converter=convertString<CSSValueNone>
 -webkit-hyphenate-character name_for_methods=HyphenationString, converter=convertString<CSSValueAuto>
 -webkit-line-box-contain converter=convertLineBoxContain
@@ -321,20 +329,20 @@ word-wrap name_for_methods=OverflowWrap
 -webkit-margin-before-collapse type_name=EMarginCollapse
 -webkit-margin-bottom-collapse type_name=EMarginCollapse, name_for_methods=MarginAfterCollapse
 -webkit-margin-top-collapse type_name=EMarginCollapse, name_for_methods=MarginBeforeCollapse
--webkit-mask-box-image-outset custom_all
+-webkit-mask-box-image-outset animatable, custom_all
 -webkit-mask-box-image-repeat custom_all
--webkit-mask-box-image-slice custom_all
--webkit-mask-box-image-source custom_value
--webkit-mask-box-image-width custom_all
+-webkit-mask-box-image-slice animatable, custom_all
+-webkit-mask-box-image-source animatable, custom_value
+-webkit-mask-box-image-width animatable, custom_all
 -webkit-mask-clip custom_all
 -webkit-mask-composite custom_all
--webkit-mask-image custom_all
+-webkit-mask-image animatable, custom_all
 -webkit-mask-origin custom_all
--webkit-mask-position-x custom_all
--webkit-mask-position-y custom_all
+-webkit-mask-position-x animatable, custom_all
+-webkit-mask-position-y animatable, custom_all
 -webkit-mask-repeat-x custom_all
 -webkit-mask-repeat-y custom_all
--webkit-mask-size custom_all
+-webkit-mask-size animatable, custom_all
 -webkit-perspective custom_all
 -webkit-perspective-origin custom_all
 -webkit-perspective-origin-x converter=convertLength
@@ -349,7 +357,7 @@ word-wrap name_for_methods=OverflowWrap
 -webkit-text-emphasis-style custom_all
 -webkit-text-fill-color custom_all
 -webkit-text-security
--webkit-text-stroke-color custom_all
+-webkit-text-stroke-color animatable, custom_all
 -webkit-text-stroke-width converter=convertTextStrokeWidth
 -webkit-transform use_handlers_for=CSSPropertyTransform
 -webkit-transform-origin-x converter=convertLength
@@ -364,13 +372,13 @@ word-wrap name_for_methods=OverflowWrap
 -webkit-user-modify
 -webkit-user-select
 white-space
-widows type_name=short, custom_all
-width initial=initialSize, converter=convertLengthSizing
+widows animatable, type_name=short, custom_all
+width animatable, initial=initialSize, converter=convertLengthSizing
 will-change custom_all
 word-break
-word-spacing initial=initialLetterWordSpacing, converter=convertSpacing
+word-spacing animatable, initial=initialLetterWordSpacing, converter=convertSpacing
 writing-mode svg, type_name=SVGWritingMode
-z-index type_name=int, custom_all
+z-index animatable, type_name=int, custom_all
 
 // Internal properties