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/web_contents.patch

@@ -9,7 +9,7 @@ is needed for OSR.
 Originally landed in https://github.com/electron/libchromiumcontent/pull/226.
 
 diff --git a/content/browser/web_contents/web_contents_impl.cc b/content/browser/web_contents/web_contents_impl.cc
-index 5253b94936f06277f90c5116326547e3ef4bbee4..1cf11bcd41df18941c638e1a6f9406398a59108a 100644
+index fc79d5bcff1f93e378dc78b75761b9c711c54c4c..bd390ed46944f53ffa3eb9282ffa46996a2f064d 100644
 --- a/content/browser/web_contents/web_contents_impl.cc
 +++ b/content/browser/web_contents/web_contents_impl.cc
 @@ -2050,6 +2050,12 @@ void WebContentsImpl::Init(const WebContents::CreateParams& params) {