Merge 6006:6095 from bleeding_edge to experimental/gc branch.

src/math.js

Index: src/math.js
===================================================================
--- src/math.js	(revision 6095)
+++ src/math.js	(working copy)
@@ -258,15 +258,6 @@
     "max", MathMax,
     "min", MathMin
   ));
-
-  // The values here are from the MathFunctionId enum in objects.h.
-  %SetMathFunctionId($Math.floor, 1);
-  %SetMathFunctionId($Math.round, 2);
-  %SetMathFunctionId($Math.abs, 4);
-  %SetMathFunctionId($Math.sqrt, 0xd);
-  %SetMathFunctionId($Math.pow, 0xe);
-  // TODO(erikcorry): Set the id of the other functions so they can be
-  // optimized.
 };