CSS Independent Transform Properties

Source/platform/transforms/TransformOperation.h

Index: Source/platform/transforms/TransformOperation.h
diff --git a/Source/platform/transforms/TransformOperation.h b/Source/platform/transforms/TransformOperation.h
index b131f3ae5811df844eeaa1fc1c3b6cc3a2b3a2cd..0be0578d115fd7195fe798a02df98285875209d7 100644
--- a/Source/platform/transforms/TransformOperation.h
+++ b/Source/platform/transforms/TransformOperation.h
@@ -81,8 +81,39 @@ public:
     }
 
     virtual bool dependsOnBoxSize() const { return false; }
+
+    bool isRotateTransformOperation() const
+    {
+        return type() == Rotate
+            || type() == RotateX
+            || type() == RotateY
+            || type() == RotateZ
+            || type() == Rotate3D;
+    }
+
+    bool isScaleTransformOperation() const
+    {
+        return type() == Scale
+            || type() == ScaleX
+            || type() == ScaleY
+            || type() == ScaleZ
+            || type() == Scale3D;
+    }
+
+    bool isTranslateTransformOperation() const
+    {
+        return type() == Translate
+            || type() == TranslateX
+            || type() == TranslateY
+            || type() == TranslateZ
+            || type() == Translate3D;
+    }
+
 };
 
+#define DEFINE_TRANSFORM_TYPE_CASTS(thisType, predicate) \
+    DEFINE_TYPE_CASTS(thisType, TransformOperation, transform, transform->predicate, transform.predicate)
+
 } // namespace blink
 
 #endif // TransformOperation_h