Add runtime feature and property names for unprefixed CSS Transforms

Adds a runtime flag (enabled only for testing) and defines property names
for each property defined in CSS Transforms[1]. Future patches will make
these properties functional.

[1] http://www.w3.org/TR/css3-transforms/

NOTRY=true
BUG=154772

Review URL: https://codereview.chromium.org/211033002

git-svn-id: svn://svn.chromium.org/blink/trunk@170005 bbb929c8-8fbe-4397-9dbb-9b2b20218538

third_party/WebKit/LayoutTests/webexposed/css-properties-as-js-properties-expected.txt

@@ -13,6 +13,7 @@ animationIterationCount
 animationName
 animationPlayState
 animationTimingFunction
+backfaceVisibility
 background
 backgroundAttachment
 backgroundBlendMode
@@ -184,6 +185,8 @@ pageBreakBefore
 pageBreakInside
 paintOrder
 parentRule
+perspective
+perspectiveOrigin
 pointerEvents
 position
 quotes
@@ -240,6 +243,9 @@ textUnderlineWidth
 top
 touchAction
 touchActionDelay
+transform
+transformOrigin
+transformStyle
 transition
 transitionDelay
 transitionDuration

third_party/WebKit/Source/core/css/CSSComputedStyleDeclaration.cpp

@@ -2768,6 +2768,15 @@ PassRefPtrWillBeRawPtr<CSSValue> CSSComputedStyleDeclaration::getPropertyCSSValu
             ASSERT_NOT_REACHED();
             break;
 
+        // FIXME: crbug.com/154772 Unimplemented css-transforms properties
+        case CSSPropertyBackfaceVisibility:
+        case CSSPropertyPerspective:
+        case CSSPropertyPerspectiveOrigin:
+        case CSSPropertyTransform:
+        case CSSPropertyTransformOrigin:
+        case CSSPropertyTransformStyle:
+            break;
+
         /* Unimplemented @font-face properties */
         case CSSPropertyFontStretch:
         case CSSPropertySrc:

third_party/WebKit/Source/core/css/CSSProperty.cpp

@@ -522,6 +522,7 @@ bool CSSProperty::isInheritedProperty(CSSPropertyID propertyID)
     case CSSPropertyWebkitAnimationPlayState:
     case CSSPropertyWebkitAnimationTimingFunction:
     case CSSPropertyWebkitAppearance:
+    case CSSPropertyBackfaceVisibility:
     case CSSPropertyWebkitBackfaceVisibility:
     case CSSPropertyWebkitBackgroundClip:
     case CSSPropertyWebkitBackgroundComposite:
@@ -640,15 +641,20 @@ bool CSSProperty::isInheritedProperty(CSSPropertyID propertyID)
     case CSSPropertyWebkitPaddingBefore:
     case CSSPropertyWebkitPaddingEnd:
     case CSSPropertyWebkitPaddingStart:
+    case CSSPropertyPerspective:
     case CSSPropertyWebkitPerspective:
+    case CSSPropertyPerspectiveOrigin:
     case CSSPropertyWebkitPerspectiveOrigin:
     case CSSPropertyWebkitPerspectiveOriginX:
     case CSSPropertyWebkitPerspectiveOriginY:
+    case CSSPropertyTransform:
     case CSSPropertyWebkitTransform:
+    case CSSPropertyTransformOrigin:
     case CSSPropertyWebkitTransformOrigin:
     case CSSPropertyWebkitTransformOriginX:
     case CSSPropertyWebkitTransformOriginY:
     case CSSPropertyWebkitTransformOriginZ:
+    case CSSPropertyTransformStyle:
     case CSSPropertyWebkitTransformStyle:
     case CSSPropertyWebkitTransition:
     case CSSPropertyWebkitTransitionDelay:

third_party/WebKit/Source/core/css/CSSPropertyNames.in

@@ -234,6 +234,7 @@ word-wrap
 z-index
 -webkit-appearance
 -webkit-aspect-ratio
+backface-visibility
 -webkit-backface-visibility
 -webkit-background-clip
 -webkit-background-composite
@@ -374,7 +375,9 @@ order
 -webkit-padding-before
 -webkit-padding-end
 -webkit-padding-start
+perspective
 -webkit-perspective
+perspective-origin
 -webkit-perspective-origin
 -webkit-perspective-origin-x
 -webkit-perspective-origin-y
@@ -396,11 +399,14 @@ order
 -webkit-text-stroke
 -webkit-text-stroke-color
 -webkit-text-stroke-width
+transform
 -webkit-transform
+transform-origin
 -webkit-transform-origin
 -webkit-transform-origin-x
 -webkit-transform-origin-y
 -webkit-transform-origin-z
+transform-style
 -webkit-transform-style
 -webkit-user-drag
 -webkit-user-modify

third_party/WebKit/Source/core/css/RuntimeCSSEnabled.cpp

@@ -106,6 +106,16 @@ static void setPropertySwitchesFromRuntimeFeatures()
     };
     setCSSPropertiesEnabled(animationProperties, WTF_ARRAY_LENGTH(animationProperties), RuntimeEnabledFeatures::cssAnimationUnprefixedEnabled());
 
+    CSSPropertyID transformProperties[] = {
+        CSSPropertyBackfaceVisibility,
+        CSSPropertyPerspective,
+        CSSPropertyPerspectiveOrigin,
+        CSSPropertyTransform,
+        CSSPropertyTransformOrigin,
+        CSSPropertyTransformStyle
+    };
+    setCSSPropertiesEnabled(transformProperties, WTF_ARRAY_LENGTH(transformProperties), RuntimeEnabledFeatures::cssTransformsUnprefixedEnabled());
+
     RuntimeCSSEnabled::setCSSPropertyEnabled(CSSPropertyMixBlendMode, RuntimeEnabledFeatures::cssCompositingEnabled());
     RuntimeCSSEnabled::setCSSPropertyEnabled(CSSPropertyIsolation, RuntimeEnabledFeatures::cssCompositingEnabled());
     RuntimeCSSEnabled::setCSSPropertyEnabled(CSSPropertyTouchAction, RuntimeEnabledFeatures::cssTouchActionEnabled());

third_party/WebKit/Source/core/css/parser/CSSPropertyParser.cpp

@@ -1612,6 +1612,14 @@ bool CSSPropertyParser::parseValue(CSSPropertyID propId, bool important)
     case CSSPropertyUserZoom:
         validPrimitive = false;
         break;
+    // FIXME: crbug.com/154772 Unimplemented css-transforms properties
+    case CSSPropertyBackfaceVisibility:
+    case CSSPropertyPerspective:
+    case CSSPropertyPerspectiveOrigin:
+    case CSSPropertyTransform:
+    case CSSPropertyTransformOrigin:
+    case CSSPropertyTransformStyle:
+        return false;
     default:
         return parseSVGValue(propId, important);
     }

third_party/WebKit/Source/core/css/resolver/StyleBuilderCustom.cpp

@@ -1740,6 +1740,14 @@ void StyleBuilder::oldApplyProperty(CSSPropertyID id, StyleResolverState& state,
         return;
     }
 
+    // FIXME: crbug.com/154772 Unimplemented css-transforms properties
+    case CSSPropertyBackfaceVisibility:
+    case CSSPropertyPerspective:
+    case CSSPropertyPerspectiveOrigin:
+    case CSSPropertyTransform:
+    case CSSPropertyTransformOrigin:
+    case CSSPropertyTransformStyle:
+        return;
     // These properties are aliased and we already applied the property on the prefixed version.
     case CSSPropertyAnimationDelay:
     case CSSPropertyAnimationDirection:

third_party/WebKit/Source/core/frame/UseCounter.cpp

@@ -500,6 +500,12 @@ int UseCounter::mapCSSPropertyIdToCSSSampleIdForHistogram(int id)
     case CSSPropertyJustifySelf: return 443;
     case CSSPropertyScrollBehavior: return 444;
     case CSSPropertyWillChange: return 445;
+    case CSSPropertyTransform: return 446;
+    case CSSPropertyTransformOrigin: return 447;
+    case CSSPropertyTransformStyle: return 448;
+    case CSSPropertyPerspective: return 449;
+    case CSSPropertyPerspectiveOrigin: return 450;
+    case CSSPropertyBackfaceVisibility: return 451;
 
     // Add new features above this line (don't change the assigned numbers of the existing
     // items) and update maximumCSSSampleId() with the new maximum value.
@@ -519,7 +525,7 @@ int UseCounter::mapCSSPropertyIdToCSSSampleIdForHistogram(int id)
     return 0;
 }
 
-static int maximumCSSSampleId() { return 445; }
+static int maximumCSSSampleId() { return 451; }
 
 void UseCounter::muteForInspector()
 {

third_party/WebKit/Source/core/svg/SVGElement.cpp

@@ -58,9 +58,14 @@ using namespace SVGNames;
 void mapAttributeToCSSProperty(HashMap<StringImpl*, CSSPropertyID>* propertyNameToIdMap, const QualifiedName& attrName)
 {
     // FIXME: when CSS supports "transform-origin" the special case for transform_originAttr can be removed.
+    // FIXME: It's not clear the above is strictly true, as -webkit-transform-origin has non-standard behavior.
     CSSPropertyID propertyId = cssPropertyID(attrName.localName());
     if (!propertyId && attrName == transform_originAttr)
         propertyId = CSSPropertyWebkitTransformOrigin; // cssPropertyID("-webkit-transform-origin")
+    if (propertyId == CSSPropertyTransformOrigin) {
+        ASSERT(RuntimeEnabledFeatures::cssTransformsUnprefixedEnabled());
+        propertyId = CSSPropertyWebkitTransformOrigin;
+    }
     ASSERT(propertyId > 0);
     propertyNameToIdMap->set(attrName.localName().impl(), propertyId);
 }

third_party/WebKit/Source/platform/RuntimeEnabledFeatures.in

@@ -36,6 +36,7 @@ CSSShapes status=experimental
 CSSStickyPosition status=experimental
 CSSTouchAction status=stable
 CSSTouchActionDelay status=test
+CSSTransformsUnprefixed status=test
 CSSViewport status=experimental
 CSSWillChange status=experimental
 CSS3Text status=experimental