Mash: remove some passing browser tests from filter file

Bug: 855767
Change-Id: I6dfefc7aa5a8934ee41ae1ca07e15eabe5685377
Reviewed-on: https://chromium-review.googlesource.com/c/1292724
Commit-Queue: Evan Stade <estade@chromium.org>
Reviewed-by: James Cook <jamescook@chromium.org>
Cr-Commit-Position: refs/heads/master@{#601623}

testing/buildbot/filters/chromeos.single_process_mash.browser_tests.filter

@@ -102,9 +102,6 @@
 # Tests failing only for SingleProcessMash.
 # --------------------------------------------------
 
-# Uses ash::WindowState in browser process.
--AcceleratorCommandsBrowserTest.ToggleMaximized
-
 # Crashes on exit, even without SingleProcessMash.
 -AffiliationCheck/EnterpriseDeviceAttributesTest.Success/*
 
@@ -115,9 +112,6 @@
 -Blub/UnaffiliatedArcAllowedTest.ProfileTest/0
 -Blub/UnaffiliatedArcAllowedTest.ProfileTest/1
 
-# Browser command controller tests.
--BrowserCommandControllerBrowserTest.LockedFullscreen
-
 # Enterprise keys tests.
 -CheckSystemTokenAvailability/EnterprisePlatformKeysTest.Basic/*
 
@@ -125,9 +119,6 @@
 -ChromeSessionManagerTest.LoginExistingUsers
 -ChromeSessionManagerTest.PRE_LoginExistingUsers
 
-# Context menu tests.
--ContextMenuBrowserTest.ContextMenuEntriesAreDisabledInLockedFullscreen
-
 # Flaky test. crbug.com/880584
 # Not implemented reached in virtual base::i18n::TextDirection content::RenderWidgetHostViewAura::GetTextDirection()
 -CrSettingsResetPageTest.All