Implement animations for Independent CSS Transform Properties

Source/core/animation/css/CSSAnimatableValueFactory.cpp

 /*
  * Copyright (C) 2013 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
@@ skipping 240 matching lines @@
 static double fontStretchToDouble(FontStretch fontStretch)
 {
     return static_cast<unsigned>(fontStretch);
 }
 
 static PassRefPtrWillBeRawPtr<AnimatableValue> createFromFontStretch(FontStretch fontStretch)
 {
     return createFromDouble(fontStretchToDouble(fontStretch));
 }
 
+static PassRefPtrWillBeRawPtr<AnimatableValue> createFromTransformProperties(PassRefPtr<TransformOperation> transform, PassRefPtr<TransformOperation> initialTransform)
+{
+    TransformOperations operation;
+    operation.operations().append(transform ? transform : initialTransform);
+    return AnimatableTransform::create(operation);
+}
+
 static double fontWeightToDouble(FontWeight fontWeight)
 {
     switch (fontWeight) {
     case FontWeight100:
         return 100;
     case FontWeight200:
         return 200;
     case FontWeight300:
         return 300;
     case FontWeight400:
@@ skipping 245 matching lines @@
     case CSSPropertyShapeOutside:
         return createFromShapeValue(style.shapeOutside());
     case CSSPropertyShapeMargin:
         return createFromLength(style.shapeMargin(), style);
     case CSSPropertyShapeImageThreshold:
         return createFromDouble(style.shapeImageThreshold());
     case CSSPropertyWebkitTextStrokeColor:
         return createFromColor(property, style);
     case CSSPropertyTransform:
         return AnimatableTransform::create(style.transform());
+    case CSSPropertyTranslate:
+        return createFromTransformProperties(style.translate(), style.initialTranslate());
+    case CSSPropertyRotate:
+        return createFromTransformProperties(style.rotate(), style.initialRotate());
+    case CSSPropertyScale:
+        return createFromTransformProperties(style.scale(), style.initialScale());
     case CSSPropertyTransformOrigin:
         return createFromTransformOrigin(style.transformOrigin(), style);
     case CSSPropertyMotionOffset:
         return createFromLength(style.motionOffset(), style);
     case CSSPropertyMotionRotation:
         return createFromDoubleAndBool(style.motionRotation(), style.motionRotationType() == MotionRotationAuto, style);
     case CSSPropertyWebkitPerspectiveOriginX:
         return createFromLength(style.perspectiveOriginX(), style);
     case CSSPropertyWebkitPerspectiveOriginY:
         return createFromLength(style.perspectiveOriginY(), style);
@@ skipping 33 matching lines @@
         if (style.hasAutoZIndex())
             return AnimatableUnknown::create(CSSValueAuto);
         return createFromDouble(style.zIndex());
     default:
         ASSERT_NOT_REACHED();
         return nullptr;
     }
 }
 
 } // namespace blink