Don't use the cached value for syncing to the GPU process when we observer a pref change, because the cached value may not have been updated yet. This can cause the prefs in the GPU process to get out of sync.
Attachment #8804105 - Flags: review?(dvander) → review+
Pushed by firstname.lastname@example.org: https://hg.mozilla.org/integration/mozilla-inbound/rev/95e09163347a Use live pref values when syncing gfxPrefs to the GPU process r=dvander
Backout by email@example.com: https://hg.mozilla.org/integration/mozilla-inbound/rev/a1f1a53aac73 Backed out changeset 95e09163347a for build bustage. r=backout on a CLOSED TREE
https://treeherder.mozilla.org/#/jobs?repo=try&revision=55fd19db6b57 Fix for bustage. There should be no behavioral differences except for in the gpu process which is not enabled yet.
Pushed by firstname.lastname@example.org: https://hg.mozilla.org/integration/mozilla-inbound/rev/28986ba05618 Use live pref values when syncing gfxPrefs to the GPU process r=dvander
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