Mark deprecated APIs with relatively little use as deprecated

src/extensions/free-buffer-extension.cc

Index: src/extensions/free-buffer-extension.cc
diff --git a/src/extensions/free-buffer-extension.cc b/src/extensions/free-buffer-extension.cc
index 4040c90bffe4b2ac6f7088c267758cb5b81ca677..5cf2b68146c9d325096b6f94172bca55d498c2fa 100644
--- a/src/extensions/free-buffer-extension.cc
+++ b/src/extensions/free-buffer-extension.cc
@@ -33,7 +33,8 @@ namespace v8 {
 namespace internal {
 
 
-v8::Handle<v8::FunctionTemplate> FreeBufferExtension::GetNativeFunction(
+v8::Handle<v8::FunctionTemplate> FreeBufferExtension::GetNativeFunctionTemplate(
+    v8::Isolate* isolate,
     v8::Handle<v8::String> str) {
   return v8::FunctionTemplate::New(FreeBufferExtension::FreeBuffer);
 }