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

extensions/renderer/console.cc

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "extensions/renderer/console.h"
 
 #include "base/compiler_specific.h"
 #include "base/debug/alias.h"
 #include "base/lazy_instance.h"
 #include "base/macros.h"
@@ skipping 55 matching lines @@
 }
 
 void BindLogMethod(v8::Isolate* isolate,
                    v8::Local<v8::Object> target,
                    const std::string& name,
                    LogMethod log_method) {
   v8::Local<v8::FunctionTemplate> tmpl = v8::FunctionTemplate::New(
       isolate,
       &BoundLogMethodCallback,
       v8::External::New(isolate, reinterpret_cast<void*>(log_method)));
+  tmpl->RemovePrototype();
   v8::Local<v8::Function> function;
   if (!tmpl->GetFunction(isolate->GetCurrentContext()).ToLocal(&function)) {
     LOG(FATAL) << "Could not create log function \"" << name << "\"";
     return;
   }
   v8::Local<v8::String> v8_name = ToV8StringUnsafe(isolate, name);
   if (!SetProperty(isolate->GetCurrentContext(), target, v8_name, function)) {
     LOG(WARNING) << "Could not bind log method \"" << name << "\"";
   }
   SetProperty(isolate->GetCurrentContext(), target, v8_name,
@@ skipping 39 matching lines @@
   v8::Local<v8::Object> console_object = v8::Object::New(isolate);
   BindLogMethod(isolate, console_object, "debug", &Debug);
   BindLogMethod(isolate, console_object, "log", &Log);
   BindLogMethod(isolate, console_object, "warn", &Warn);
   BindLogMethod(isolate, console_object, "error", &Error);
   return handle_scope.Escape(console_object);
 }
 
 }  // namespace console
 }  // namespace extensions