Wrap v8natives.js into a function.

src/generator.js

Index: src/generator.js
diff --git a/src/generator.js b/src/generator.js
index 2b0bcbd4b36b36376eda3966256604ecb339b0c1..3c925ccebb3f56c0cbe7f52a7ebb0cb15dace854 100644
--- a/src/generator.js
+++ b/src/generator.js
@@ -72,7 +72,7 @@ function GeneratorObjectIterator() {
 
 
 function GeneratorFunctionConstructor(arg1) {  // length == 1
-  var source = NewFunctionString(arguments, 'function*');
+  var source = $newFunctionString(arguments, 'function*');
   var global_proxy = %GlobalProxy(global);
   // Compile the string in the constructor and not a helper so that errors
   // appear to come from here.
@@ -90,12 +90,12 @@ function GeneratorFunctionConstructor(arg1) {  // length == 1
 
 // Set up non-enumerable functions on the generator prototype object.
 var GeneratorObjectPrototype = GeneratorFunctionPrototype.prototype;
-InstallFunctions(GeneratorObjectPrototype,
+$installFunctions(GeneratorObjectPrototype,
                  DONT_ENUM,
                  ["next", GeneratorObjectNext,
                   "throw", GeneratorObjectThrow]);
 
-SetFunctionName(GeneratorObjectIterator, symbolIterator);
+$setFunctionName(GeneratorObjectIterator, symbolIterator);
 %AddNamedProperty(GeneratorObjectPrototype, symbolIterator,
     GeneratorObjectIterator, DONT_ENUM | DONT_DELETE | READ_ONLY);
 %AddNamedProperty(GeneratorObjectPrototype, "constructor",