Before https://chromium-review.googlesource.com/c/chromium/src/+/1054675 was reverted I noticed some interesting test failure
https://logs.chromium.org/v/?s=chromium%2Fbb%2Fchromium.memory%2FMac_ASan_64_Tests__1_%2F40656%2F%2B%2Frecipes%2Fsteps%2Fbrowser_tests%2F0%2Fstdout

[ RUN      ] All/PasswordManagerBrowserTestWithViewsFeature.PromptForXHRWithNewPasswordsWithoutOnSubmit/1
[20436:6403:0514/203829.486297:WARNING:notification_platform_bridge_mac.mm(510)] AlertNotificationService: XPC connection invalidated.
[20455:775:0514/203830.388645:WARNING:vt_video_decode_accelerator_mac.cc(178)] Failed to create VTDecompressionSession: Error Domain=NSOSStatusErrorDomain Code=-8973 "codecOpenErr" (-8973)
[20455:775:0514/203830.389333:WARNING:vt_video_decode_accelerator_mac.cc(200)] Hardware decoding with VideoToolbox is not supported
[20455:775:0514/203830.555737:ERROR:vt_video_encode_accelerator_mac.cc(516)]  VTCompressionSessionCreate failed: -12908
[20436:775:0514/203830.975116:WARNING:gaia_auth_fetcher.cc(902)] Could not reach Google Accounts servers: errno -11
[20436:775:0514/203831.793204:WARNING:gaia_auth_fetcher.cc(902)] Could not reach Google Accounts servers: errno -11
[20455:775:0514/203833.279460:WARNING:ca_layer_tree_coordinator.mm(55)] Blank frame: No overlays or CALayers
[20455:775:0514/203834.533866:ERROR:gles2_command_buffer_stub.cc(345)] ContextResult::kFatalFailure: Failed to map shared state buffer.
[20455:775:0514/203834.534011:ERROR:gpu_channel.cc(634)] GpuChannel::CreateCommandBuffer(): failed to initialize CommandBufferStub
[20463:775:0514/203834.534862:ERROR:command_buffer_proxy_impl.cc(138)] Failure processing GpuChannelMsg_CreateCommandBuffer.
[20463:775:0514/203834.535019:ERROR:context_provider_command_buffer.cc(235)] GpuChannelHost failed to create command buffer.
[20436:775:0514/203834.577036:INFO:CONSOLE(0)] "[DOM] Input elements should have autocomplete attributes (suggested: "current-password"): (More info: https://goo.gl/9p2vKq) %o", source: http://127.0.0.1:55382/password/password_xhr_submit.html (0)
[20436:775:0514/203834.577732:INFO:CONSOLE(0)] "[DOM] Input elements should have autocomplete attributes (suggested: "username"): (More info: https://goo.gl/9p2vKq) %o", source: http://127.0.0.1:55382/password/password_xhr_submit.html (0)
[20436:775:0514/203834.686246:WARNING:gaia_auth_fetcher.cc(902)] Could not reach Google Accounts servers: errno -102
[20436:62467:0514/203835.132190:WARNING:embedded_test_server.cc(229)] Request not handled. Returning 404: /favicon.ico
[20436:775:0514/203835.145652:FATAL:secure_password_input.mm(24)] Check failed: !IsSecureEventInputEnabled().
0   browser_tests                       0x0000000119ca9f4c base::debug::StackTrace::StackTrace(unsigned long) + 28
1   browser_tests                       0x0000000119a62b97 logging::LogMessage::~LogMessage() + 695
2   browser_tests                       0x000000011d37cc1b (anonymous namespace)::SetPasswordInputEnabled(bool) + 283
3   browser_tests                       0x000000011d37cdd7 ui::ScopedPasswordInputEnabler::ScopedPasswordInputEnabler() + 23
4   browser_tests                       0x0000000115a007a1 content::RenderWidgetHostViewMac::SetTextInputActive(bool) + 145
5   browser_tests                       0x0000000115a00662 content::RenderWidgetHostViewMac::OnUpdateTextInputStateCalled(content::TextInputManager*, content::RenderWidgetHostViewBase*, bool) + 194
6   browser_tests                       0x0000000115a2780c content::TextInputManager::NotifyObserversAboutInputStateUpdate(content::RenderWidgetHostViewBase*, bool) + 636
7   browser_tests                       0x0000000115a26de5 content::TextInputManager::UpdateTextInputState(content::RenderWidgetHostViewBase*, content::TextInputState const&) + 1253
8   browser_tests                       0x000000011599dbfc content::RenderWidgetHostImpl::OnTextInputStateChanged(content::TextInputState const&) + 444
9   browser_tests                       0x000000011599d6cd bool IPC::MessageT<ViewHostMsg_TextInputStateChanged_Meta, std::__1::tuple<content::TextInputState>, void>::Dispatch<content::RenderWidgetHostImpl, content::RenderWidgetHostImpl, void, void (content::RenderWidgetHostImpl::*)(content::TextInputState const&)>(IPC::Message const*, content::RenderWidgetHostImpl*, content::RenderWidgetHostImpl*, void*, void (content::RenderWidgetHostImpl::*)(content::TextInputState const&)) + 397
10  browser_tests                       0x00000001159982a5 content::RenderWidgetHostImpl::OnMessageReceived(IPC::Message const&) + 757
11  browser_tests                       0x000000011592911e content::RenderProcessHostImpl::OnMessageReceived(IPC::Message const&) + 1390
12  browser_tests                       0x000000011d8aaa61 IPC::ChannelProxy::Context::OnDispatchMessage(IPC::Message const&) + 385
13  browser_tests                       0x000000011d8b233c base::internal::Invoker<base::internal::BindState<void (IPC::ChannelProxy::Context::*)(IPC::Message const&), scoped_refptr<IPC::ChannelProxy::Context>, IPC::Message>, void ()>::Run(base::internal::BindStateBase*) + 460
14  browser_tests                       0x0000000119a1c169 base::debug::TaskAnnotator::RunTask(char const*, base::PendingTask*) + 825
15  browser_tests                       0x0000000119a9d8f0 base::internal::IncomingTaskQueue::RunTask(base::PendingTask*) + 288
16  browser_tests                       0x0000000119aa849f base::MessageLoop::RunTask(base::PendingTask*) + 1391
17  browser_tests                       0x0000000119aa8f91 base::MessageLoop::DeferOrRunPendingTask(base::PendingTask) + 497
18  browser_tests                       0x0000000119aa9654 base::MessageLoop::DoWork() + 1444
19  browser_tests                       0x0000000119ab338d base::MessagePumpCFRunLoopBase::RunWork() + 333
20  browser_tests                       0x0000000119a69b9a base::mac::CallWithEHFrame(void () block_pointer) + 10
21  browser_tests                       0x0000000119ab1956 base::MessagePumpCFRunLoopBase::RunWorkSource(void*) + 374
22  CoreFoundation                      0x00007fff4d71fa21 __CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE0_PERFORM_FUNCTION__ + 17
23  CoreFoundation                      0x00007fff4d7d726c __CFRunLoopDoSource0 + 108
24  CoreFoundation                      0x00007fff4d702ab0 __CFRunLoopDoSources0 + 208
25  CoreFoundation                      0x00007fff4d701f2d __CFRunLoopRun + 1293
26  CoreFoundation                      0x00007fff4d701787 CFRunLoopRunSpecific + 487
27  HIToolbox                           0x00007fff4ca0ee26 RunCurrentEventLoopInMode + 286
28  HIToolbox                           0x00007fff4ca0eb96 ReceiveNextEventCommon + 613
29  HIToolbox                           0x00007fff4ca0e914 _BlockUntilNextEventMatchingListInModeWithFilter + 64
30  AppKit                              0x00007fff4acd9f5f _DPSNextEvent + 2085
31  AppKit                              0x00007fff4b46fb4c -[NSApplication(NSEvent) _nextEventMatchingEventMask:untilDate:inMode:dequeue:] + 3044
32  browser_tests                       0x0000000119f18aa1 __71-[BrowserCrApplication nextEventMatchingMask:untilDate:inMode:dequeue:]_block_invoke + 401
33  browser_tests                       0x0000000119a69b9a base::mac::CallWithEHFrame(void () block_pointer) + 10
34  browser_tests                       0x0000000119f18652 -[BrowserCrApplication nextEventMatchingMask:untilDate:inMode:dequeue:] + 770
35  AppKit                              0x00007fff4acced6d -[NSApplication run] + 764
36  browser_tests                       0x0000000119ab5f23 base::MessagePumpNSApplication::DoRun(base::MessagePump::Delegate*) + 1011
37  browser_tests                       0x0000000119ab0981 base::MessagePumpCFRunLoopBase::Run(base::MessagePump::Delegate*) + 401
38  browser_tests                       0x0000000119aa7346 base::MessageLoop::Run(bool) + 422
39  browser_tests                       0x0000000119b4284d base::RunLoop::Run() + 685
40  browser_tests                       0x000000011b2afdc2 content::MessageLoopRunner::Run() + 370
41  browser_tests                       0x000000011b2374f8 content::DOMMessageQueue::WaitForMessage(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >*) + 648
42  browser_tests                       0x000000011b23114b content::(anonymous namespace)::ExecuteScriptHelper(content::RenderFrameHost*, std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&, bool, std::__1::unique_ptr<base::Value, std::__1::default_delete<base::Value> >*) + 1019
43  browser_tests                       0x000000011b230183 content::(anonymous namespace)::ExecuteScriptWithUserGestureControl(content::RenderFrameHost*, std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&, bool) + 675
44  browser_tests                       0x000000012bfbca4f PasswordManagerBrowserTestBase::FillElementWithValue(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&, std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&) + 511
45  browser_tests                       0x000000010f129047 password_manager::PasswordManagerBrowserTestWithViewsFeature_PromptForXHRWithNewPasswordsWithoutOnSubmit_Test::RunTestOnMainThread() + 1191
46  browser_tests                       0x000000011b221a98 content::BrowserTestBase::ProxyRunTestOnMainThreadLoop() + 1496
47  browser_tests                       0x0000000119f2b95e ChromeBrowserMainParts::PreMainMessageLoopRunImpl() + 10398
48  browser_tests                       0x0000000119f28c6e ChromeBrowserMainParts::PreMainMessageLoopRun() + 270
49  browser_tests                       0x0000000114d32593 content::BrowserMainLoop::PreMainMessageLoopRun() + 355
50  browser_tests                       0x0000000115d1e8df content::StartupTaskRunner::RunAllTasksNow() + 415
51  browser_tests                       0x0000000114d2e23a content::BrowserMainLoop::CreateStartupTasks() + 1850
52  browser_tests                       0x0000000114d3a025 content::BrowserMainRunnerImpl::Initialize(content::MainFunctionParams const&, std::__1::unique_ptr<content::BrowserProcessSubThread, std::__1::default_delete<content::BrowserProcessSubThread> >) + 469
53  browser_tests                       0x0000000114d274df content::BrowserMain(content::MainFunctionParams const&, std::__1::unique_ptr<content::BrowserProcessSubThread, std::__1::default_delete<content::BrowserProcessSubThread> >) + 655
54  browser_tests                       0x00000001198b3eab content::RunBrowserProcessMain(content::MainFunctionParams const&, content::ContentMainDelegate*, std::__1::unique_ptr<content::BrowserProcessSubThread, std::__1::default_delete<content::BrowserProcessSubThread> >) + 587
55  browser_tests                       0x00000001198b6987 content::ContentMainRunnerImpl::Run() + 1543
56  browser_tests                       0x00000001201efb3f service_manager::Main(service_manager::MainParams const&) + 5503
57  browser_tests                       0x00000001198b3b81 content::ContentMain(content::ContentMainParams const&) + 353
58  browser_tests                       0x000000011b2206c9 content::BrowserTestBase::SetUp() + 6057
59  browser_tests                       0x0000000119d6f551 InProcessBrowserTest::SetUp() + 1489
60  browser_tests                       0x00000001121210c5 testing::Test::Run() + 293
61  browser_tests                       0x0000000112123486 testing::TestInfo::Run() + 934
[20463:775:0514/203925.991596:ERROR:command_buffer_proxy_impl.cc(133)] ContextResult::kTransientFailure: Failed to send GpuChannelMsg_CreateCommandBuffer.
[20463:775:0514/203925.991672:ERROR:context_provider_command_buffer.cc(235)] GpuChannelHost failed to create command buffer.
[269/323] All/PasswordManagerBrowserTestWithViewsFeature.PromptForXHRWithNewPasswordsWithoutOnSubmit/1 (TIMED OUT)

Probably worth investigating. I'm gonna reland the patch soon.