This bug is about adding thread assumption asserts like `ThreadUtils.assertOnUiThread` to every GeckoView API that assumes to be called in a specific thread (See also parent Bug 1500456).

Depends on D10237

Depends on D10238

This patch adds @AnyThread to any API that can be explicitely called from any thread. Depends on D10239

Depends on D10240

Depends on D10241

Depends on D10242

try https://treeherder.mozilla.org/#/jobs?repo=try&revision=f2580156322ffa1bc28036963f929ff69d0f66e4

Pushed by asferro@mozilla.com: https://hg.mozilla.org/integration/autoland/rev/93c80c846adb Add @UiThread to methods that call assertOnUiThread. r=snorp. https://hg.mozilla.org/integration/autoland/rev/c3437e254961 Add assertOnUiThread calls to GeckoDisplay. r=snorp,droeh. https://hg.mozilla.org/integration/autoland/rev/f38363e53ca4 Fix threading documentation on GeckoResult. r=snorp. https://hg.mozilla.org/integration/autoland/rev/aed3a7740a86 Add @AnyThread to APIs that can be used from any thread. r=snorp. https://hg.mozilla.org/integration/autoland/rev/c26e3232d3a3 Add @UiThread to GeckoSession.TextInputDelegate. r=snorp. https://hg.mozilla.org/integration/autoland/rev/6434abf7d806 Call assertOnUiThread in GeckoView. r=snorp. https://hg.mozilla.org/integration/autoland/rev/1b95e3c16503 Call assertOnUiThread in SessionAccessibility. r=eeejay.

https://hg.mozilla.org/mozilla-central/rev/93c80c846adb https://hg.mozilla.org/mozilla-central/rev/c3437e254961 https://hg.mozilla.org/mozilla-central/rev/f38363e53ca4 https://hg.mozilla.org/mozilla-central/rev/aed3a7740a86 https://hg.mozilla.org/mozilla-central/rev/c26e3232d3a3 https://hg.mozilla.org/mozilla-central/rev/6434abf7d806 https://hg.mozilla.org/mozilla-central/rev/1b95e3c16503

Depends on D13880

This allows mocking for embedders. Depends on D13881

This makes it so that apilints lints with "GV" codes are enforced and will fail the build. Depends on D13882

This last stack of patches will conclude the work for this bug, yay! Try here: https://treeherder.mozilla.org/#/jobs?repo=try&revision=9f32d4e0389231fa2a07a9c4b7db490680d516b2

Try: https://treeherder.mozilla.org/#/jobs?repo=try&revision=4f25307ab1edb32034e91ec9b9848f8dfcbf4e8b

New try with mochitest fix: https://treeherder.mozilla.org/#/jobs?repo=try&revision=b2538689ca0e9495afe02e014f5b2e5528763892

Pushed by asferro@mozilla.com: https://hg.mozilla.org/integration/autoland/rev/95951162d775 Add @UiThread to all Delegate interfaces. r=snorp,esawin https://hg.mozilla.org/integration/autoland/rev/0d938252d0ed Add threading annotations to remaining APIs. r=snorp https://hg.mozilla.org/integration/autoland/rev/4cd3b9cf8159 Make FinderResult non-final for testing. r=snorp,esawin https://hg.mozilla.org/integration/autoland/rev/42f4f1c36ef6 Enforce GV lints with apilint. r=snorp

https://hg.mozilla.org/mozilla-central/rev/95951162d775 https://hg.mozilla.org/mozilla-central/rev/0d938252d0ed https://hg.mozilla.org/mozilla-central/rev/4cd3b9cf8159 https://hg.mozilla.org/mozilla-central/rev/42f4f1c36ef6