[Gin] Add Arguments::GetHolderCreationContext()

gin/arguments.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 "gin/arguments.h"
 
 #include "base/strings/stringprintf.h"
 #include "gin/converter.h"
 
 namespace gin {
@@ skipping 14 matching lines @@
 
 Arguments::~Arguments() {
 }
 
 v8::Local<v8::Value> Arguments::PeekNext() const {
   if (next_ >= info_->Length())
     return v8::Local<v8::Value>();
   return (*info_)[next_];
 }
 
+v8::Local<v8::Context> Arguments::GetHolderCreationContext() {
+  return info_->Holder()->CreationContext();
+}
+
 std::string V8TypeAsString(v8::Local<v8::Value> value) {
   if (value.IsEmpty())
     return "<empty handle>";
   if (value->IsUndefined())
     return "undefined";
   if (value->IsNull())
     return "null";
   std::string result;
   if (!ConvertFromV8(NULL, value, &result))
     return std::string();
@@ skipping 12 matching lines @@
 void Arguments::ThrowTypeError(const std::string& message) const {
   isolate_->ThrowException(v8::Exception::TypeError(
       StringToV8(isolate_, message)));
 }
 
 bool Arguments::IsConstructCall() const {
   return info_->IsConstructCall();
 }
 
 }  // namespace gin