-ImmersiveModeControllerAshTest.LockedFullscreenDisablesImmersive
-ImmersiveModeControllerAshTest.RegularToLockedFullscreenDisablesImmersive
-ImmersiveModeControllerAshTest.TabAndBrowserFullscreen

are all failing. Here's an example trace. The problem appears to be that Ash doesn't know about the
browser widget or doesn't create a WindowState object for it, or just doesn't have time to do that while the test is running (need to flush/wait for mojo messages?)

[ RUN      ] ImmersiveModeControllerAshTest.LockedFullscreenDisablesImmersive
../../chrome/browser/ui/views/frame/immersive_mode_controller_ash_unittest.cc:324: Failure
Value of: browser_view()->GetWidget()->IsFullscreen()
  Actual: false
Expected: true
Stack trace:
#0 0x557cc52e236c testing::internal::UnitTestImpl::CurrentOsStackTraceExceptTop()
#1 0x557cc52e1d49 testing::internal::AssertHelper::operator=()
#2 0x557cc51c87b5 ImmersiveModeControllerAshTest_LockedFullscreenDisablesImmersive_Test::TestBody()

../../chrome/browser/ui/views/frame/immersive_mode_controller_ash_unittest.cc:326: Failure
Expected equality of these values:
  ash::SHELF_HIDDEN
    Which is: 2
  shelf()->visibility_state()
    Which is: 0
Stack trace:
#0 0x557cc52e236c testing::internal::UnitTestImpl::CurrentOsStackTraceExceptTop()
#1 0x557cc52e1d49 testing::internal::AssertHelper::operator=()
#2 0x557cc51c89aa ImmersiveModeControllerAshTest_LockedFullscreenDisablesImmersive_Test::TestBody()

../../chrome/browser/ui/views/frame/immersive_mode_controller_ash_unittest.cc:331: Failure
Value of: browser_view()->fullscreen_control_host_for_test()
  Actual: false
Expected: true
Stack trace:
#0 0x557cc52e236c testing::internal::UnitTestImpl::CurrentOsStackTraceExceptTop()
#1 0x557cc52e1d49 testing::internal::AssertHelper::operator=()
#2 0x557cc51c8b63 ImmersiveModeControllerAshTest_LockedFullscreenDisablesImmersive_Test::TestBody()

[121301:121301:1128/175954.368573:1383332415729:WARNING:pref_notifier_impl.cc(23)] Pref observer found at shutdown.