Implement animations for Independent CSS 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..7d1af06745af5c0cc4a65badd8bc6a8a8db71b57 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 isRotate() const
+    {
+        return type() == Rotate
+            || type() == RotateX
+            || type() == RotateY
+            || type() == RotateZ
+            || type() == Rotate3D;
+    }
+
+    bool isScale() const
+    {
+        return type() == Scale
+            || type() == ScaleX
+            || type() == ScaleY
+            || type() == ScaleZ
+            || type() == Scale3D;
+    }
+
+    bool isTranslate() const
+    {
+        return type() == Translate
+            || type() == TranslateX
+            || type() == TranslateY
+            || type() == TranslateZ
+            || type() == Translate3D;
+    }

[alancutter (OOO until 2018), 2015/06/24 01:17:09]

Make these virtual and define them in the subclasses. Update their constructor's
assertion to use this to avoid duplication of these type lists.

[soonm, 2015/06/24 02:53:19]

Done.

+
 };
 
+#define DEFINE_TRANSFORM_TYPE_CASTS(thisType, predicate) \
+    DEFINE_TYPE_CASTS(thisType, TransformOperation, transform, transform->predicate, transform.predicate)
+
 } // namespace blink
 
 #endif // TransformOperation_h