Move math-related typed arrays off js builtins object..

src/js/prologue.js

Index: src/js/prologue.js
diff --git a/src/js/prologue.js b/src/js/prologue.js
index 0b94e2b6544e5ad9ae593302178f9be9d39e9172..ac4e5ace2336f21b89f0f92d447b0e6f40a5f916 100644
--- a/src/js/prologue.js
+++ b/src/js/prologue.js
@@ -14,6 +14,14 @@
 var imports = UNDEFINED;
 var imports_from_experimental = UNDEFINED;
 var exports_container = %ExportFromRuntime({});
+var typed_array_setup = UNDEFINED;
+
+// Register context value to be initialized with a typed array in
+// Genesis::InitializeBuiltinTypedArrays.
+function SetupTypedArray(f) {
+  f.next = typed_array_setup;
+  typed_array_setup = f;
+}
 
 // Export to other scripts.
 // In normal natives, this exports functions to other normal natives.
@@ -236,6 +244,9 @@ function PostExperimentals(utils) {
   utils.Export = UNDEFINED;
   utils.PostDebug = UNDEFINED;
   utils.PostExperimentals = UNDEFINED;
+  utils.InitializeBuiltinTypedArrays = UNDEFINED;
+  utils.SetupTypedArray = UNDEFINED;
+  typed_array_setup = UNDEFINED;
 }
 
 
@@ -251,12 +262,25 @@ function PostDebug(utils) {
   utils.ImportNow = UNDEFINED;
   utils.PostDebug = UNDEFINED;
   utils.PostExperimentals = UNDEFINED;
+  utils.InitializeBuiltinTypedArrays = UNDEFINED;
+  utils.SetupTypedArray = UNDEFINED;
+  typed_array_setup = UNDEFINED;
+}
+
+
+function InitializeBuiltinTypedArrays(
+    utils, rng_state, math_constants, rempio2result) {
+  var setup_list =  typed_array_setup;
+
+  for ( ; !IS_UNDEFINED(setup_list); setup_list = setup_list.next) {
+    setup_list(rng_state, math_constants, rempio2result);
+  }
 }
 
 
 // -----------------------------------------------------------------------
 
-%OptimizeObjectForAddingMultipleProperties(utils, 13);
+%OptimizeObjectForAddingMultipleProperties(utils, 15);
 
 utils.Import = Import;
 utils.ImportNow = ImportNow;
@@ -271,6 +295,8 @@ utils.SetUpLockedPrototype = SetUpLockedPrototype;
 utils.PostNatives = PostNatives;
 utils.PostExperimentals = PostExperimentals;
 utils.PostDebug = PostDebug;
+utils.SetupTypedArray = SetupTypedArray;
+utils.InitializeBuiltinTypedArrays = InitializeBuiltinTypedArrays;
 
 %ToFastProperties(utils);