Changes in 20210613092033

Built from f092d76bde6ed523386f39c7ef340be72e06a0ff

..index..
Bug 1715819 R[Core:DOM: Editor]Simplify TextEditor::SelectEntireDocument
Bug 1694639 R[Core:DOM: Web Authentication]Add DOM:Web Authentication cross-origin tests
Bug 1711142 R[Core:Graphics: WebRender]high memory usage in [@ webrender::api_resources::ApiResources::create_blob_scene_builder_requests]
Bug 1715208 R[Firefox:Tabbed Browser]Intermittent [Tier 2] Fission browser/base/content/test/fullscreen/browser_bug1620341.js | Close buttons should be visible only on the active tab (tabs have width=0 so closebuttons gets set on them) -
Bug 1715724 R[Thunderbird:Upstream Synchronization]Intermittent toolkit/components/passwordmgr/test/unit/test_PasswordRulesManager_generatePassword.js | test_improved_password_rules_telemetry - [test_improved_password_rules_telemetry : 304]
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Changes to 5 bugs - 5 fixed.
1 bugs are not included due to being restricted