Changes in 20200105094728

Built from 86aa64c6bd540f6e93e8bde71754a03cb343f5b7

..index..
Bug 1449861 R[Core:DOM: Bindings (WebIDL)]Add a UTF-8 WebIDL string type
Bug 1597488 R[Core:DOM: Navigation]Fix uses of nsResizerFrame::GetContentToResize in layout/xul/nsResizerFrame.cpp
Bug 1588148 R[Core:DOM: Service Workers]Intermittent dom/html/test/test_formSubmission.html | Test timed out.
Bug 1587057 R[Core:Graphics]"[fluent] Missing translations in en-US: wmfvpxvideo-crash-guard. Localization.jsm:202:13" warning in Browser Console at about:support after landing patches from bug #1521370
Bug 1600595 R[Core:Graphics: Layers]Crash in [@ mozilla::layers::ImageBridgeParent::RecvReadbackAsyncPluginSurface]
Bug 1606856 R[Core:JavaScript Engine]Add pretty printer JSOp and jsbytecode*
Bug 1603945 R[Core:Web Replay]Enable crash recovery with fork based rewinding
Bug 1606729 R[Core:Web Replay]Reduce the number of debugger requests made when inspecting objects
Bug 1606949 R[Core:Web Replay]Add about:replay
Bug 1605550 R[Toolkit:Safe Browsing]Perma Tier 2 testing/firefox-ui/tests/functional/safebrowsing/test_initial_download.py TestSafeBrowsingInitialDownload.test_safe_browsing_initial_download | Timed out after 170.1 seconds with message: Not all safebrowsing files have been downloaded
###########
Changes to 10 bugs - 10 fixed.