Set up Proxy methods the proper way.

R=mstarzinger@chromium.org
BUG=

Review URL: https://codereview.chromium.org/11274047

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12821 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

src/proxy.js

@@ -62,7 +62,8 @@ function ProxyCreateFunction(handler, callTrap, constructTrap) {
     handler, callTrap, constructTrap, $Function.prototype)
 }
 
-%InstallFunctions($Proxy, DONT_ENUM, [
+%CheckIsBootstrapping()
+InstallFunctions($Proxy, DONT_ENUM, [
   "create", ProxyCreate,
   "createFunction", ProxyCreateFunction
 ])