[runtime] support new Proxy() instead of Proxy.create and install getPrototypeOf trap

src/messages.h

Index: src/messages.h
diff --git a/src/messages.h b/src/messages.h
index 6d3f797822d4967cb033818d281b5c8aeee54df4..4b0907bb9db58cad13081597439bad66fbf460ab 100644
--- a/src/messages.h
+++ b/src/messages.h
@@ -182,13 +182,13 @@ class CallSite {
     "Class extends value does not have valid prototype property %")            \
   T(ProxyHandlerDeleteFailed,                                                  \
     "Proxy handler % did not return a boolean value from 'delete' trap")       \
-  T(ProxyHandlerNonObject, "Proxy.% called with non-object as handler")        \
+  T(ProxyTargetNonObject, "Proxy.% called with non-object as target")          \

[Jakob Kummerow, 2015/11/12 12:04:24]

nit: please alpha-sort

   T(ProxyHandlerReturned, "Proxy handler % returned % from '%' trap")          \
   T(ProxyHandlerTrapMissing, "Proxy handler % has no '%' trap")                \
   T(ProxyHandlerTrapMustBeCallable,                                            \
     "Proxy handler %0 has non-callable '%' trap")                              \
   T(ProxyNonObjectPropNames, "Trap '%' returned non-object %")                 \
-  T(ProxyProtoNonObject, "Proxy.create called with no-object as prototype")    \
+  T(ProxyHandlerNonObject, "Proxy.create called with no-object as handler")    \

[Jakob Kummerow, 2015/11/12 12:04:24]

nit: please alpha-sort

   T(ProxyPropNotConfigurable,                                                  \
     "Proxy handler % returned non-configurable descriptor for property '%' "   \
     "from '%' trap")                                                           \