Add support to resolve unprefixed CSS animations properties.

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 9a18d3e1ae0993029e654458ef3012d8c4474731..06a017a27960c791bfa444dc0418817cfcecb970 100644
--- a/Source/core/css/CSSComputedStyleDeclaration.cpp
+++ b/Source/core/css/CSSComputedStyleDeclaration.cpp
@@ -83,6 +83,14 @@ namespace WebCore {
 // NOTE: Do not use this list, use computableProperties() instead
 // to respect runtime enabling of CSS properties.
 static const CSSPropertyID staticComputableProperties[] = {
+    CSSPropertyAnimationDelay,
+    CSSPropertyAnimationDirection,
+    CSSPropertyAnimationDuration,
+    CSSPropertyAnimationFillMode,
+    CSSPropertyAnimationIterationCount,
+    CSSPropertyAnimationName,
+    CSSPropertyAnimationPlayState,
+    CSSPropertyAnimationTimingFunction,
     CSSPropertyBackgroundAttachment,
     CSSPropertyBackgroundBlendMode,
     CSSPropertyBackgroundClip,
@@ -2330,8 +2338,14 @@ PassRefPtr<CSSValue> CSSComputedStyleDeclaration::getPropertyCSSValue(CSSPropert
             return cssValuePool().createIdentifierValue(CSSValueBorderBox);
         case CSSPropertyWebkitAppRegion:
             return cssValuePool().createIdentifierValue(style->getDraggableRegionMode() == DraggableRegionDrag ? CSSValueDrag : CSSValueNoDrag);
+        case CSSPropertyAnimationDelay:
+            if (!RuntimeEnabledFeatures::cssAnimationUnprefixedEnabled())
+                break;
         case CSSPropertyWebkitAnimationDelay:
             return getDelayValue(style->animations());
+        case CSSPropertyAnimationDirection:
+            if (!RuntimeEnabledFeatures::cssAnimationUnprefixedEnabled())
+                break;
         case CSSPropertyWebkitAnimationDirection: {
             RefPtr<CSSValueList> list = CSSValueList::createCommaSeparated();
             const CSSAnimationDataList* t = style->animations();
@@ -2346,8 +2360,14 @@ PassRefPtr<CSSValue> CSSComputedStyleDeclaration::getPropertyCSSValue(CSSPropert
                 list->append(cssValuePool().createIdentifierValue(CSSValueNormal));
             return list.release();
         }
+        case CSSPropertyAnimationDuration:
+            if (!RuntimeEnabledFeatures::cssAnimationUnprefixedEnabled())
+                break;
         case CSSPropertyWebkitAnimationDuration:
             return getDurationValue(style->animations());
+        case CSSPropertyAnimationFillMode:
+            if (!RuntimeEnabledFeatures::cssAnimationUnprefixedEnabled())
+                break;
         case CSSPropertyWebkitAnimationFillMode: {
             RefPtr<CSSValueList> list = CSSValueList::createCommaSeparated();
             const CSSAnimationDataList* t = style->animations();
@@ -2372,6 +2392,9 @@ PassRefPtr<CSSValue> CSSComputedStyleDeclaration::getPropertyCSSValue(CSSPropert
                 list->append(cssValuePool().createIdentifierValue(CSSValueNone));
             return list.release();
         }
+        case CSSPropertyAnimationIterationCount:
+            if (!RuntimeEnabledFeatures::cssAnimationUnprefixedEnabled())
+                break;
         case CSSPropertyWebkitAnimationIterationCount: {
             RefPtr<CSSValueList> list = CSSValueList::createCommaSeparated();
             const CSSAnimationDataList* t = style->animations();
@@ -2387,6 +2410,9 @@ PassRefPtr<CSSValue> CSSComputedStyleDeclaration::getPropertyCSSValue(CSSPropert
                 list->append(cssValuePool().createValue(CSSAnimationData::initialAnimationIterationCount(), CSSPrimitiveValue::CSS_NUMBER));
             return list.release();
         }
+        case CSSPropertyAnimationName:
+            if (!RuntimeEnabledFeatures::cssAnimationUnprefixedEnabled())
+                break;
         case CSSPropertyWebkitAnimationName: {
             RefPtr<CSSValueList> list = CSSValueList::createCommaSeparated();
             const CSSAnimationDataList* t = style->animations();
@@ -2397,6 +2423,9 @@ PassRefPtr<CSSValue> CSSComputedStyleDeclaration::getPropertyCSSValue(CSSPropert
                 list->append(cssValuePool().createIdentifierValue(CSSValueNone));
             return list.release();
         }
+        case CSSPropertyAnimationPlayState:
+            if (!RuntimeEnabledFeatures::cssAnimationUnprefixedEnabled())
+                break;
         case CSSPropertyWebkitAnimationPlayState: {
             RefPtr<CSSValueList> list = CSSValueList::createCommaSeparated();
             const CSSAnimationDataList* t = style->animations();
@@ -2412,6 +2441,9 @@ PassRefPtr<CSSValue> CSSComputedStyleDeclaration::getPropertyCSSValue(CSSPropert
                 list->append(cssValuePool().createIdentifierValue(CSSValueRunning));
             return list.release();
         }
+        case CSSPropertyAnimationTimingFunction:
+            if (!RuntimeEnabledFeatures::cssAnimationUnprefixedEnabled())
+                break;
         case CSSPropertyWebkitAnimationTimingFunction:
             return getTimingFunctionValue(style->animations());
         case CSSPropertyWebkitAppearance:
@@ -2766,6 +2798,7 @@ PassRefPtr<CSSValue> CSSComputedStyleDeclaration::getPropertyCSSValue(CSSPropert
             break;
 
         /* Unimplemented -webkit- properties */
+        case CSSPropertyAnimation:
         case CSSPropertyWebkitAnimation:
         case CSSPropertyWebkitBorderRadius:
         case CSSPropertyWebkitMarginCollapse: