From 1419941f8ea44019938c39d06af0bc167d0bdc60 Mon Sep 17 00:00:00 2001
From: Tadeu Zagallo <tadeuzagallo@fb.com>
Date: Thu, 9 Jul 2015 07:26:54 -0700
Subject: [PATCH] [ReactNative] Log with `RCTPerformanceLogger` only once per
 bridge instance

Summary:
Fixes #1809

Even if a bridge has more than one root view, it's not supported by the js side
right now, and it will keep warning that those timespans had already been
recorded.
---
 React/Base/RCTPerformanceLogger.m | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/React/Base/RCTPerformanceLogger.m b/React/Base/RCTPerformanceLogger.m
index b43ab2252..c19f4938a 100644
--- a/React/Base/RCTPerformanceLogger.m
+++ b/React/Base/RCTPerformanceLogger.m
@@ -64,6 +64,8 @@ RCT_EXPORT_MODULE()
 
 - (void)sendTimespans
 {
+  [[NSNotificationCenter defaultCenter] removeObserver:self];
+
   [_bridge enqueueJSCall:@"PerformanceLogger.addTimespans" args:@[
     RCTPerformanceLoggerOutput(),
     @[