Simplify feedback vector creation and store in SharedFunctionInfo.

src/factory.h

Index: src/factory.h
diff --git a/src/factory.h b/src/factory.h
index 041c9869756ffe48d9373b8ed6a12bd82aceb27e..afc9d47cd96e72f188207f480ea8db1b65ec6f32 100644
--- a/src/factory.h
+++ b/src/factory.h
@@ -604,7 +604,8 @@ class Factory V8_FINAL {
       int number_of_literals,
       bool is_generator,
       Handle<Code> code,
-      Handle<ScopeInfo> scope_info);
+      Handle<ScopeInfo> scope_info,
+      Handle<FixedArray> feedback_vector);
   Handle<SharedFunctionInfo> NewSharedFunctionInfo(Handle<String> name);
 
   // Allocates a new JSMessageObject object.