Backed out changeset 62e358f53fdd (bug 1480190) for mochitest failures at dom/workers/test/test_navigator.html

dom/serviceworkers/test/test_serviceworker_interfaces.js

@@ -159,10 +159,6 @@ var interfaceNamesInGlobalScope =
     "ImageBitmapRenderingContext",
 // IMPORTANT: Do not change this list without review from a DOM peer!
     "ImageData",
-// IMPORTANT: Do not change this list without review from a DOM peer!
-    "MediaCapabilities",
-// IMPORTANT: Do not change this list without review from a DOM peer!
-    "MediaCapabilitiesInfo",
 // IMPORTANT: Do not change this list without review from a DOM peer!
     "MessageChannel",
 // IMPORTANT: Do not change this list without review from a DOM peer!

dom/tests/mochitest/general/test_interfaces.js

@@ -615,10 +615,6 @@ var interfaceNamesInGlobalScope =
     {name: "LocalMediaStream", insecureContext: true},
 // IMPORTANT: Do not change this list without review from a DOM peer!
     {name: "Location", insecureContext: true},
-// IMPORTANT: Do not change this list without review from a DOM peer!
-    {name: "MediaCapabilities", insecureContext: true},
-// IMPORTANT: Do not change this list without review from a DOM peer!
-    {name: "MediaCapabilitiesInfo", insecureContext: true},
 // IMPORTANT: Do not change this list without review from a DOM peer!
     {name: "MediaDeviceInfo", insecureContext: true},
 // IMPORTANT: Do not change this list without review from a DOM peer!

modules/libpref/init/StaticPrefList.h

@@ -1016,7 +1016,7 @@ VARCACHE_PREF(
 VARCACHE_PREF(
   "media.media-capabilities.enabled",
    MediaCapabilitiesEnabled,
-  RelaxedAtomicBool, true
+  RelaxedAtomicBool, false
 )
 
 VARCACHE_PREF(

modules/libpref/init/all.js

@@ -555,7 +555,7 @@ pref("media.benchmark.vp9.threshold", 150);
 pref("media.benchmark.frames", 300);
 pref("media.benchmark.timeout", 1000);
 
-pref("media.media-capabilities.enabled", true);
+pref("media.media-capabilities.enabled", false);
 pref("media.media-capabilities.screen.enabled", false);
 
 #ifdef MOZ_WEBSPEECH