From ee8577610770a1792693355736a61178e9c3cf2c Mon Sep 17 00:00:00 2001
From: Chris Pearce <cpearce@mozilla.com>
Date: Tue, 30 Jun 2015 13:50:50 +1200
Subject: [PATCH] Bug 1160441 - Change exception code when
 MediaSource.addSourceBuffer() fails due to user disabling MP4. r=edwin

---
 dom/media/mediasource/MediaSource.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/dom/media/mediasource/MediaSource.cpp b/dom/media/mediasource/MediaSource.cpp
index fb4fdaebafa1..b8a9facf9cc1 100644
--- a/dom/media/mediasource/MediaSource.cpp
+++ b/dom/media/mediasource/MediaSource.cpp
@@ -100,12 +100,12 @@ IsTypeSupported(const nsAString& aType)
           || AndroidBridge::Bridge()->GetAPIVersion() < 16
 #endif
           )) {
-        break;
+        return NS_ERROR_DOM_INVALID_STATE_ERR;
       }
       if ((mimeType.EqualsASCII("video/webm") ||
            mimeType.EqualsASCII("audio/webm")) &&
           !Preferences::GetBool("media.mediasource.webm.enabled", false)) {
-        break;
+        return NS_ERROR_DOM_INVALID_STATE_ERR;
       }
       found = true;
       break;