From db985af3c3180fae0c83579199ba749fe5669de1 Mon Sep 17 00:00:00 2001
From: Christopher Chedeau <vjeuxx@gmail.com>
Date: Fri, 2 Sep 2016 16:29:24 -0700
Subject: [PATCH] Type ReactCurrentOwner (#7648)

Simpler than ReactOwner :)
(cherry picked from commit 2559030c344a0e03e2ca03a231c7220671620170)
---
 src/isomorphic/classic/element/ReactCurrentOwner.js        | 5 ++++-
 src/renderers/shared/stack/reconciler/ReactInstanceType.js | 1 +
 2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/isomorphic/classic/element/ReactCurrentOwner.js b/src/isomorphic/classic/element/ReactCurrentOwner.js
index e47505f413..da5786e875 100644
--- a/src/isomorphic/classic/element/ReactCurrentOwner.js
+++ b/src/isomorphic/classic/element/ReactCurrentOwner.js
@@ -7,10 +7,13 @@
  * of patent rights can be found in the PATENTS file in the same directory.
  *
  * @providesModule ReactCurrentOwner
+ * @flow
  */
 
 'use strict';
 
+import type { ReactInstance } from 'ReactInstanceType';
+
 /**
  * Keeps track of the current owner.
  *
@@ -23,7 +26,7 @@ var ReactCurrentOwner = {
    * @internal
    * @type {ReactComponent}
    */
-  current: null,
+  current: (null: null | ReactInstance),
 
 };
 
diff --git a/src/renderers/shared/stack/reconciler/ReactInstanceType.js b/src/renderers/shared/stack/reconciler/ReactInstanceType.js
index b27d3371c7..d647f4afc9 100644
--- a/src/renderers/shared/stack/reconciler/ReactInstanceType.js
+++ b/src/renderers/shared/stack/reconciler/ReactInstanceType.js
@@ -34,4 +34,5 @@ export type ReactInstance = {
   _mountImage: any,
   // __DEV__
   _debugID: DebugID,
+  _warnedAboutRefsInRender: bool,
 };