Mark deprecated APIs with relatively little use as deprecated

src/extensions/gc-extension.h

Index: src/extensions/gc-extension.h
diff --git a/src/extensions/gc-extension.h b/src/extensions/gc-extension.h
index e412b92a4d997aad87160ddd789b85419bdf3037..8c25e7d84d5e286b763d22873ca1d7962d1a9cce 100644
--- a/src/extensions/gc-extension.h
+++ b/src/extensions/gc-extension.h
@@ -36,7 +36,8 @@ namespace internal {
 class GCExtension : public v8::Extension {
  public:
   explicit GCExtension(const char* source) : v8::Extension("v8/gc", source) {}
-  virtual v8::Handle<v8::FunctionTemplate> GetNativeFunction(
+  virtual v8::Handle<v8::FunctionTemplate> GetNativeFunctionTemplate(
+      v8::Isolate* isolate,
       v8::Handle<v8::String> name);
   static void GC(const v8::FunctionCallbackInfo<v8::Value>& args);
   static void Register();