Adding Blink-side 3d Box and Bounds calculations to TransformOperations

Source/platform/transforms/IdentityTransformOperation.h

Index: Source/platform/transforms/IdentityTransformOperation.h
diff --git a/Source/platform/transforms/IdentityTransformOperation.h b/Source/platform/transforms/IdentityTransformOperation.h
index 86d143206a676596b257ff134cf49dd8fe012c23..83f72ea5116a796b10f386134513264a1f4ebef4 100644
--- a/Source/platform/transforms/IdentityTransformOperation.h
+++ b/Source/platform/transforms/IdentityTransformOperation.h
@@ -36,6 +36,10 @@ public:
         return adoptRef(new IdentityTransformOperation());
     }
 
+    virtual bool isCompatibleType(const TransformOperation& other) const

[Ian Vollick, 2014/06/16 15:23:37]

bikeshed: "compatible" doesn't convey enough information.
CompatibleTypeForInterpolation is more meaningful, but also a mouthful. How
about canIterpolateWith(...)?

[awoloszyn, 2014/06/17 14:26:00]

Agreed. Done.

+    {
+        return isSameType(other);
+    }
 private:
     virtual bool isIdentity() const OVERRIDE FINAL { return true; }
     virtual OperationType type() const OVERRIDE { return Identity; }