Begin implementing V8 bindings for Mojo

gin/arguments.cc

Index: gin/arguments.cc
diff --git a/gin/arguments.cc b/gin/arguments.cc
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+++ b/gin/arguments.cc
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+// 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 "gin/converter.h"
+
+namespace gin {
+
+Arguments::Arguments(const v8::FunctionCallbackInfo<v8::Value>& info)
+    : isolate_(info.GetIsolate()),
+      info_(info),
+      current_(0) {
+}
+
+Arguments::~Arguments() {
+}
+
+void Arguments::ThrowTypeError(const char* message) {
+  isolate_->ThrowException(
+      v8::Exception::TypeError(StringToV8(isolate_, message)));
+}
+
+}  // namespace gin