Remove the prototype from all V8 functions that aren't constructors

extensions/renderer/module_system.cc

Index: extensions/renderer/module_system.cc
diff --git a/extensions/renderer/module_system.cc b/extensions/renderer/module_system.cc
index 6bf090f9cf165b2ddb76076e6e85a12d0e480d2f..4665d753f37c579d09e2afa60f64d4df60bb2d1c 100644
--- a/extensions/renderer/module_system.cc
+++ b/extensions/renderer/module_system.cc
@@ -667,6 +667,7 @@ v8::Local<v8::Value> ModuleSystem::LoadModule(const std::string& module_name) {
   v8::Local<v8::FunctionTemplate> tmpl = v8::FunctionTemplate::New(
       GetIsolate(),
       &SetExportsProperty);
+  tmpl->RemovePrototype();
   v8::Local<v8::String> v8_key;
   if (!v8_helpers::ToV8String(GetIsolate(), "$set", &v8_key)) {
     NOTREACHED();