Begin implementing V8 bindings for Mojo

gin/per_isolate_data.cc

Index: gin/per_isolate_data.cc
diff --git a/gin/per_isolate_data.cc b/gin/per_isolate_data.cc
index 13209046cd9b4e896f67987c7f054fd9e55c9ee3..56b2c533fb08ca2c7ca86c2f6662a54f51801a89 100644
--- a/gin/per_isolate_data.cc
+++ b/gin/per_isolate_data.cc
@@ -25,9 +25,17 @@ PerIsolateData* PerIsolateData::From(Isolate* isolate) {
   return static_cast<PerIsolateData*>(isolate->GetData());
 }
 
-void PerIsolateData::RegisterObjectTemplate(
-    WrapperInfo* info, Local<ObjectTemplate> object_template) {
-  object_templates_[info] = Eternal<ObjectTemplate>(isolate_, object_template);
+void PerIsolateData::SetObjectTemplate(WrapperInfo* info,
+                                       Local<ObjectTemplate> templ) {
+  object_templates_[info] = Eternal<ObjectTemplate>(isolate_, templ);
+}
+
+v8::Local<v8::ObjectTemplate> PerIsolateData::GetObjectTemplate(
+    WrapperInfo* info) {
+  ObjectTemplateMap::iterator it = object_templates_.find(info);
+  if (it == object_templates_.end())
+    return v8::Local<v8::ObjectTemplate>();
+  return it->second.Get(isolate_);
 }
 
 }  // namespace gin