Begin implementing V8 bindings for Mojo

gin/converter.h

 // 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.
 
 #ifndef GIN_CONVERTER_H_
 #define GIN_CONVERTER_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 22 matching lines @@
 
 template<>
 struct Converter<uint32_t> {
   static v8::Handle<v8::Value> ToV8(v8::Isolate* isolate,
                                     uint32_t val);
   static bool FromV8(v8::Handle<v8::Value> val,
                      uint32_t* out);
 };
 
 template<>
+struct Converter<int64_t> {
+  // Warning: JavaScript cannot represent 64 integers precisely.
+  static v8::Handle<v8::Value> ToV8(v8::Isolate* isolate,
+                                    int64_t val);
+  static bool FromV8(v8::Handle<v8::Value> val,
+                     int64_t* out);
+};
+
+template<>
+struct Converter<uint64_t> {
+  // Warning: JavaScript cannot represent 64 integers precisely.
+  static v8::Handle<v8::Value> ToV8(v8::Isolate* isolate,
+                                    uint64_t val);
+  static bool FromV8(v8::Handle<v8::Value> val,
+                     uint64_t* out);
+};
+
+template<>
 struct Converter<double> {
   static v8::Handle<v8::Value> ToV8(v8::Isolate* isolate,
                                     double val);
   static bool FromV8(v8::Handle<v8::Value> val,
                      double* out);
 };
 
 template<>
 struct Converter<std::string> {
   static v8::Handle<v8::Value> ToV8(v8::Isolate* isolate,
                                     const std::string& val);
   static bool FromV8(v8::Handle<v8::Value> val,
                      std::string* out);
 };
 
 template<>
 struct Converter<v8::Handle<v8::Function> > {
   static bool FromV8(v8::Handle<v8::Value> val,
                      v8::Handle<v8::Function>* out);
 };
 
 template<>
 struct Converter<v8::Handle<v8::Object> > {
-  static v8::Handle<v8::Value> ToV8(v8::Handle<v8::Object> val);
+  static v8::Handle<v8::Value> ToV8(v8::Isolate* isolate,
+                                    v8::Handle<v8::Object> val);
   static bool FromV8(v8::Handle<v8::Value> val,
                      v8::Handle<v8::Object>* out);
 };
 
 template<typename T>
 struct Converter<std::vector<T> > {
   static v8::Handle<v8::Value> ToV8(v8::Isolate* isolate,
                                     const std::vector<T>& val) {
     v8::Handle<v8::Array> result(v8::Array::New(static_cast<int>(val.size())));
     for (size_t i = 0; i < val.size(); ++i) {
@@ skipping 27 matching lines @@
 v8::Handle<v8::Value> ConvertToV8(v8::Isolate* isolate,
                                   T input) {
   return Converter<T>::ToV8(isolate, input);
 }
 
 inline v8::Handle<v8::String> StringToV8(
     v8::Isolate* isolate, std::string input) {
   return ConvertToV8(isolate, input).As<v8::String>();
 }
 
+v8::Handle<v8::String> StringToSymbol(v8::Isolate* isolate,
+                                      const std::string& val);
+
 template<typename T>
 bool ConvertFromV8(v8::Handle<v8::Value> input, T* result) {
   return Converter<T>::FromV8(input, result);
 }
 
 }  // namespace gin
 
 #endif  // GIN_CONVERTER_H_