chore: bump chromium to 4b6692e4cc2839729bb7ac009586a (master) (#21864)

* chore: bump chromium in DEPS to a1ea0d7aedd6b5fe58fbabfa3b05aa8ee41304ff

* update patches

* update extensions code

* Remove WebPoint

2007474

* fix build

* chore: bump chromium in DEPS to 9351e26c2a3714f8bbb10789c71bb51b0b494c75

* update patches

* Remove error description from the DidFailLoadWithError message

2011280

* Make SimpleNetworkHintsHandlerImpl use the right NetworkIsolationKey

1994430

* Rename libgtkui to gtk

2011683

* [metrics] Remove histogram Startup.WarmStartTimeFromRemoteProcessStart*.

2003211

* fix requestSingleInstanceLock test

* chore: bump chromium in DEPS to a813567a4f17ea08292c2b26fa10d0ffd47010d9

* chore: bump chromium in DEPS to f0aca2de536ceecd6eb66e928051d11e6d11991f

* chore: bump chromium in DEPS to 865556af6d0c9d990f5b1816cb792f7c3859667b

* chore: bump chromium in DEPS to 98538fdd28c4b6692e4cc2839729bb7ac009586a

* update patches

* fix broken tests

* Update node tests for v8 changes

* Update node patches for test failures

* Update for number of tests

Co-authored-by: Jeremy Apthorp <nornagon@nornagon.net>
Co-authored-by: John Kleinschmidt <jkleinsc@github.com>

patches/chromium/mas_disable_remote_accessibility.patch

@@ -170,7 +170,7 @@ index e6e26f703be064924dbb7e36555c60ba91b0123f..064c44b2d056a3428428fd415b2a78c6
  
  ///////////////////////////////////////////////////////////////////////////////
 diff --git a/ui/base/BUILD.gn b/ui/base/BUILD.gn
-index db6083732090b8ccee029aa6a7cc11f0d17ab218..3d34fc3a442f46abf4cad222b9d5e05db6762278 100644
+index 0e081daf55a068f0e1c163c60f266f697a8e4bfc..387b7b0b1a0e8db2d28ed4c46db93242e3de649e 100644
 --- a/ui/base/BUILD.gn
 +++ b/ui/base/BUILD.gn
 @@ -306,6 +306,13 @@ jumbo_component("base") {