* build: build squirrel and its dependencies from source

* chore: do not use fork for squirrel.mac

* build: do not ship headers with dependency frameworks

* Update BUILD.gn

* chore: s/striped/stripped

* chore: update as per feedback

* chore: use ARC and fix build errors

* chore: fix ARC Squirrel self retainer

* chore: bump node in DEPS to v12.18.2

* update patches

Co-authored-by: Electron Bot <anonymous@electronjs.org>

* pre merge

* windows changes

* added tests

* clean up

* more cleanup

* lint error

* windows 7 support

* added windows 7 implementation

* code review

* lint and code review

* code review

* app.md merge conflict

* merge conflict app.md

accidently deleted code block

* 'lint'

* mis-moved getapplicationinfoforprotocol() into anonymous namespace

* fix test

* lint

* code review

* chore: tsify net-log

* comment

* gn

* chore: tsify browser-window

* fix focus

* also tsify top-level-window

* chore: add deprecation warning for the default of contextIsolation

* chore: add to breaking changes

* Update docs/breaking-changes.md

Co-authored-by: Jeremy Apthorp <jeremya@chromium.org>

* chore: fix specs on windows

Co-authored-by: Jeremy Apthorp <jeremya@chromium.org>

* refactor: prevent consistent early exception

* Use _linkedBinding where possible

* Remove dead electronBinding