Chrome Version: origin/master @ HEAD
OS: Chrome OS 69

What steps will reproduce the problem?
(1) Build and install using "Simple Chrome workflow"

What is the expected result?
Chrome should start up

What happens instead?
Chrome crashes

[13093:13093:0725/045512.361216:WARNING:install_attributes.cc(101)] Install attributes missing, first sign in
[13093:13093:0725/045512.442337:FATAL:drm_device_connector.cc(47)] Check failed: (ws_runner_ && !features::IsAshInBrowserProcess()) || (!ws_runner_ && features::IsAshInBrowserProcess()). 
#0 0x00001530e694 base::debug::StackTrace::StackTrace()
#1 0x000015168f50 base::debug::StackTrace::StackTrace()
#2 0x0000151d6d3c logging::LogMessage::~LogMessage()
#3 0x000010090154 ui::DrmDeviceConnector::DrmDeviceConnector()
#4 0x0000100ad724 ui::(anonymous namespace)::OzonePlatformGbm::InitializeUI()
#5 0x00000ff5a200 ui::OzonePlatform::InitializeForUI()
#6 0x0000174fe62c aura::Env::Init()
#7 0x0000174fe504 aura::Env::CreateInstance()
#8 0x00001105171c content::BrowserMainLoop::InitializeToolkit()
#9 0x000011053a62 content::BrowserMainRunnerImpl::Initialize()
#10 0x000011048066 content::BrowserMain()
#11 0x00001490459a content::RunBrowserProcessMain()
#12 0x000014905a5a content::ContentMainRunnerImpl::Run()
#13 0x0000149001d0 content::ContentServiceManagerMainDelegate::RunEmbedderProcess()
#14 0x0000149154b6 service_manager::Main()
#15 0x000014903258 content::ContentMain()
#16 0x00000f3fba56 ChromeMain
#17 0x00000f3fb9be main
#18 0x0000f66b18a0 __libc_start_main

sky@: assigning to you because of the DCHECK. Don't know the root cause.