From 215b6a593bc1b8c3bf78b7830c3b6d226c332dba Mon Sep 17 00:00:00 2001
From: Alex Catarineu <acat@torproject.org>
Date: Thu, 10 Oct 2019 15:08:12 +0200
Subject: [PATCH] Bug 13543: Spoof smooth and powerEfficient for Media
 Capabilities

---
 dom/media/mediacapabilities/MediaCapabilities.cpp | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/dom/media/mediacapabilities/MediaCapabilities.cpp b/dom/media/mediacapabilities/MediaCapabilities.cpp
index cef653fd686a0..cdd9dbf0d86fc 100644
--- a/dom/media/mediacapabilities/MediaCapabilities.cpp
+++ b/dom/media/mediacapabilities/MediaCapabilities.cpp
@@ -282,6 +282,11 @@ already_AddRefed<Promise> MediaCapabilities::DecodingInfo(
                           if (aValue.IsReject()) {
                             p = CapabilitiesPromise::CreateAndReject(
                                 std::move(aValue.RejectValue()), __func__);
+                          } else if (nsContentUtils::
+                                         ShouldResistFingerprinting()) {
+                            p = CapabilitiesPromise::CreateAndResolve(
+                                MediaCapabilitiesInfo(true, true, false),
+                                __func__);
                           } else {
                             MOZ_ASSERT(config->IsVideo());
                             nsAutoCString reason;
-- 
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