From 5729940b3cd8719e2c6659032e742cafb13e27ec Mon Sep 17 00:00:00 2001
From: Mason Chang <mchang@mozilla.com>
Date: Thu, 5 Mar 2015 08:43:53 -0800
Subject: [PATCH] Bug 1139726 - Assert gfxPlatform::Init is called on the main
 thread. r=kats

---
 gfx/thebes/gfxPlatform.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/gfx/thebes/gfxPlatform.cpp b/gfx/thebes/gfxPlatform.cpp
index ec22ca22fb37..69d04c1fa910 100644
--- a/gfx/thebes/gfxPlatform.cpp
+++ b/gfx/thebes/gfxPlatform.cpp
@@ -451,6 +451,7 @@ void RecordingPrefChanged(const char *aPrefName, void *aClosure)
 void
 gfxPlatform::Init()
 {
+    MOZ_RELEASE_ASSERT(NS_IsMainThread());
     if (gEverInitialized) {
         NS_RUNTIMEABORT("Already started???");
     }