Make net use v8 through gin

gin/shell/gin_main.cc

 // Copyright 2013 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 "base/at_exit.h"
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/file_util.h"
 #include "base/i18n/icu_util.h"
 #include "base/message_loop/message_loop.h"
@@ skipping 43 matching lines @@
 };
 
 }  // namespace
 }  // namespace gin
 
 int main(int argc, char** argv) {
   base::AtExitManager at_exit;
   CommandLine::Init(argc, argv);
   base::i18n::InitializeICU();
 
-  gin::IsolateHolder instance;
+  gin::IsolateHolder instance(gin::IsolateHolder::kStrictMode);
 
   base::MessageLoop message_loop;
 
   gin::ShellRunnerDelegate delegate;
   gin::ShellRunner runner(&delegate, instance.isolate());
 
   {
     gin::Runner::Scope scope(&runner);
     v8::V8::SetCaptureStackTraceForUncaughtExceptions(true);
   }
 
   CommandLine::StringVector args = CommandLine::ForCurrentProcess()->GetArgs();
   for (CommandLine::StringVector::const_iterator it = args.begin();
        it != args.end(); ++it) {
     base::MessageLoop::current()->PostTask(FROM_HERE, base::Bind(
         gin::Run, runner.GetWeakPtr(), base::FilePath(*it)));
   }
 
   message_loop.RunUntilIdle();
   return 0;
 }