Convert the rest of the functions in core.cc to use CreateFunctionTemplate.

gin/dictionary.h

Index: gin/dictionary.h
diff --git a/gin/dictionary.h b/gin/dictionary.h
index f011779fa15c33eadc3d15a338105e33d252835a..46232e1075431eea120dab5cdab5f29e77801836 100644
--- a/gin/dictionary.h
+++ b/gin/dictionary.h
@@ -20,7 +20,7 @@ class Dictionary {
   template<typename T>
   bool Get(const std::string& key, T* out) {
     v8::Handle<v8::Value> val = object_->Get(StringToV8(isolate_, key));
-    return ConvertFromV8(val, out);
+    return ConvertFromV8(isolate_, val, out);
   }
 
   template<typename T>
@@ -33,6 +33,7 @@ class Dictionary {
  private:
   friend struct Converter<Dictionary>;
 
+  // TODO(aa): Remove this. Instead, get via FromV8(), Set(), and Get().
   v8::Isolate* isolate_;
   v8::Handle<v8::Object> object_;
 };
@@ -41,7 +42,8 @@ template<>
 struct Converter<Dictionary> {
   static v8::Handle<v8::Value> ToV8(v8::Isolate* isolate,
                                     Dictionary val);
-  static bool FromV8(v8::Handle<v8::Value> val,
+  static bool FromV8(v8::Isolate* isolate,
+                     v8::Handle<v8::Value> val,
                      Dictionary* out);
 };