[Extensions] Update last_error.js, send_request.js

extensions/renderer/v8_context_native_handler.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/v8_context_native_handler.h"
 
 #include "base/bind.h"
 #include "extensions/common/features/feature.h"
 #include "extensions/renderer/script_context.h"
 #include "extensions/renderer/script_context_set.h"
@@ skipping 15 matching lines @@
 }
 
 void V8ContextNativeHandler::GetAvailability(
     const v8::FunctionCallbackInfo<v8::Value>& args) {
   CHECK_EQ(args.Length(), 1);
   v8::Isolate* isolate = args.GetIsolate();
   std::string api_name = *v8::String::Utf8Value(args[0]);
   Feature::Availability availability = context_->GetAvailability(api_name);
 
   v8::Local<v8::Object> ret = v8::Object::New(isolate);
+  v8::Maybe<bool> maybe =
+      ret->SetPrototype(context_->v8_context(), v8::Null(isolate));
+  CHECK(maybe.IsJust() && maybe.FromJust());
   ret->Set(v8::String::NewFromUtf8(isolate, "is_available"),
            v8::Boolean::New(isolate, availability.is_available()));
   ret->Set(v8::String::NewFromUtf8(isolate, "message"),
            v8::String::NewFromUtf8(isolate, availability.message().c_str()));
   ret->Set(v8::String::NewFromUtf8(isolate, "result"),
            v8::Integer::New(isolate, availability.result()));
   args.GetReturnValue().Set(ret);
 }
 
 void V8ContextNativeHandler::GetModuleSystem(
     const v8::FunctionCallbackInfo<v8::Value>& args) {
   CHECK_EQ(args.Length(), 1);
   CHECK(args[0]->IsObject());
   ScriptContext* context = ScriptContextSet::GetContextByObject(
       v8::Local<v8::Object>::Cast(args[0]));
   if (blink::WebFrame::scriptCanAccess(context->web_frame()))
     args.GetReturnValue().Set(context->module_system()->NewInstance());
 }
 
 void V8ContextNativeHandler::RunWithNativesEnabled(
     const v8::FunctionCallbackInfo<v8::Value>& args) {
   CHECK_EQ(args.Length(), 1);
   CHECK(args[0]->IsFunction());
   ModuleSystem::NativesEnabledScope natives_enabled(context()->module_system());
   context()->CallFunction(v8::Local<v8::Function>::Cast(args[0]));
 }
 
 }  // namespace extensions