Implement animations for Independent CSS Transform Properties

Source/platform/transforms/TransformOperation.h

 /*
  * Copyright (C) 2000 Lars Knoll (knoll@kde.org)
  *           (C) 2000 Antti Koivisto (koivisto@kde.org)
  *           (C) 2000 Dirk Mueller (mueller@kde.org)
  * Copyright (C) 2003, 2005, 2006, 2007, 2008 Apple Inc. All rights reserved.
  * Copyright (C) 2006 Graham Dennis (graham.dennis@gmail.com)
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
@@ skipping 63 matching lines @@
             || opType == Translate3D
             || opType == RotateX
             || opType == RotateY
             || opType == Rotate3D
             || opType == Matrix3D
             || opType == Perspective
             || opType == Interpolated;
     }
 
     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