CSS Transforms: Implement perspective-origin

Source/core/css/CSSComputedStyleDeclaration.cpp

Index: Source/core/css/CSSComputedStyleDeclaration.cpp
diff --git a/Source/core/css/CSSComputedStyleDeclaration.cpp b/Source/core/css/CSSComputedStyleDeclaration.cpp
index 3441287d81e5228f436f1e349d2e88a5c9a97dc4..ac650a3d62b190b0295826303e2539a2636cf8e2 100644
--- a/Source/core/css/CSSComputedStyleDeclaration.cpp
+++ b/Source/core/css/CSSComputedStyleDeclaration.cpp
@@ -297,6 +297,7 @@ static const CSSPropertyID staticComputableProperties[] = {
     CSSPropertyOrder,
     CSSPropertyPerspective,
     CSSPropertyWebkitPerspective,
+    CSSPropertyPerspectiveOrigin,
     CSSPropertyWebkitPerspectiveOrigin,
     CSSPropertyWebkitPrintColorAdjust,
     CSSPropertyWebkitRtlOrdering,
@@ -1492,6 +1493,7 @@ static bool isLayoutDependent(CSSPropertyID propertyID, PassRefPtr<RenderStyle>
     case CSSPropertyLeft:
     case CSSPropertyRight:
     case CSSPropertyTop:
+    case CSSPropertyPerspectiveOrigin:
     case CSSPropertyWebkitPerspectiveOrigin:
     case CSSPropertyTransform:
     case CSSPropertyWebkitTransform:
@@ -2511,6 +2513,7 @@ PassRefPtrWillBeRawPtr<CSSValue> CSSComputedStyleDeclaration::getPropertyCSSValu
             if (!style->hasPerspective())
                 return cssValuePool().createIdentifierValue(CSSValueNone);
             return zoomAdjustedPixelValue(style->perspective(), *style);
+        case CSSPropertyPerspectiveOrigin:
         case CSSPropertyWebkitPerspectiveOrigin: {
             RefPtrWillBeRawPtr<CSSValueList> list = CSSValueList::createSpaceSeparated();
             if (renderer) {
@@ -2771,10 +2774,6 @@ PassRefPtrWillBeRawPtr<CSSValue> CSSComputedStyleDeclaration::getPropertyCSSValu
             ASSERT_NOT_REACHED();
             break;
 
-        // FIXME: crbug.com/154772 Unimplemented css-transforms properties
-        case CSSPropertyPerspectiveOrigin:
-            break;
-
         /* Unimplemented @font-face properties */
         case CSSPropertyFontStretch:
         case CSSPropertySrc: