Layout Tests: Disabling flaky tests.

third_party/WebKit/LayoutTests/TestExpectations

 # This is the main failure suppression file for Blink LayoutTests.
 # Further documentation:
 # https://chromium.googlesource.com/chromium/src/+/master/docs/testing/layout_test_expectations.md
 
 # Intentional failures to test the layout test system.
 Bug(intentional) harness-tests/crash.html [ Crash ]
 Bug(intentional) harness-tests/timeout.html [ Timeout ]
 
 # ====== Oilpan-only failures from here ======
 # Most of these actually cause the tests to report success, rather than
@@ skipping 872 matching lines @@
 
 # Mac does not support fractional scale factor.
 crbug.com/567837 [ Mac ] virtual/scalefactor150/fast/hidpi/static [ Skip ]
 
 # TODO(oshima): Move the event scaling code to eventSender and remove this.
 crbug.com/567837 virtual/scalefactor200/fast/hidpi/static/mousewheel-scroll-amount.html [ Skip ]
 crbug.com/567837 virtual/scalefactor200/fast/hidpi/static/gesture-scroll-amount.html [ Skip ]
 crbug.com/567837 virtual/scalefactor150/fast/hidpi/static/mousewheel-scroll-amount.html [ Skip ]
 crbug.com/567837 virtual/scalefactor150/fast/hidpi/static/gesture-scroll-amount.html [ Skip ]
 
+crbug.com/567837 fast/hidpi/static/popup-menu-with-scrollbar-appearance.html [ Skip ]
+crbug.com/567837 virtual/scalefactor150/fast/hidpi/static/popup-menu-with-scrollbar-appearance.html [ Skip ]
+crbug.com/567837 virtual/scalefactor200/fast/hidpi/static/popup-menu-with-scrollbar-appearance.html [ Skip ]
+crbug.com/567837 virtual/scalefactor200withzoom/fast/hidpi/static/popup-menu-with-scrollbar-appearance.html [ Skip ]
+
 # TODO(ojan): These tests aren't flaky. See crbug.com/517144.
 # Release trybots run asserts, but the main waterfall ones don't. So, even
 # though this is a non-flaky assert failure, we need to mark it [ Pass Crash ].
 crbug.com/389648 crbug.com/517123 crbug.com/410145 fast/text-autosizing/table-inflation-crash.html [ Pass Crash Timeout ]
 
 crbug.com/636207 [ Win Debug ] fast/dom/HTMLImageElement/image-srcset-w-onerror.html [ Failure Pass ]
 
 crbug.com/569139 fast/js/string-replace-2.html [ Failure ]
 crbug.com/569139 fast/js/regexp-caching.html [ Failure ]
 crbug.com/597221 fast/dom/Window/window-postmessage-clone-deep-array.html [ Failure ]
@@ skipping 1785 matching lines @@
 
 crbug.com/689781 http/tests/media/media-source/mediasource-duration.html [ Failure Pass ]
 crbug.com/689781 virtual/mojo-loading/http/tests/media/media-source/mediasource-duration.html [ Failure Pass ]
 
 crbug.com/701445 external/wpt/dom/events/EventListener-invoke-legacy.html [ Timeout Pass ]
 
 # When WebAssembly is exposed in V8 (soon), this test has the wrong number of expected Object.getOwnPropertyNames() for global object.
 
 crbug.com/681468 fast/forms/suggestion-picker/date-suggestion-picker-appearance-zoom125.html [ Failure Pass ]
 crbug.com/681468 fast/forms/suggestion-picker/date-suggestion-picker-appearance-zoom200.html [ Failure Pass ]
+crbug.com/681468 [ Win ] virtual/scalefactor150/fast/hidpi/static/data-suggestion-picker-appearance.html [ Failure Pass Timeout ]
+crbug.com/681468 [ Win ] virtual/scalefactor200/fast/hidpi/static/data-suggestion-picker-appearance.html [ Failure Pass Timeout ]
+crbug.com/681468 [ Win ] virtual/scalefactor200withzoom/fast/hidpi/static/data-suggestion-picker-appearance.html [ Failure Pass Timeout ]
 
 crbug.com/683800 [ Win7 Debug ] external/wpt/selection/ [ Failure Pass ]
 
 # CQ and Rebaseline-cl for crrev.com/2626973005 does not include this
 crbug.com/680407 [ Mac ] fast/forms/select/menulist-appearance-basic.html [ NeedsManualRebaseline ]
 
 # Importing 'fetch' tests from WPT.
 crbug.com/705490 external/wpt/fetch/api/basic/error-after-response.html [ Timeout Pass ]
 
 # Non-deterministic output, as the failing subtests dump timestamps.
@@ skipping 114 matching lines @@
 crbug.com/727505 [ Linux Mac Win ] virtual/threaded/fast/compositorworker/request-animation-frame.html [ Pass Failure Timeout Crash ]
 crbug.com/727991 [ Linux Mac Win ] virtual/threaded/fast/compositorworker/visual-update.html [ Pass Failure Timeout Crash ]
 crbug.com/728036 [ Linux Mac Win ] virtual/threaded/fast/compositorworker/compositor-proxy-supports.html [ Pass Failure Timeout Crash ]
 
 crbug.com/729075 [ Mac10.11 Retina ] css3/blending/background-blend-mode-gif-color-2.html [ Failure Pass ]
 
 crbug.com/729836 [ Win ] fast/workers/worker-document-leak.html [ Pass Failure ]
 
 # Sheriff failures 2017-06-07
 crbug.com/727014 [ Linux ] external/wpt/IndexedDB/large-nested-cloning.html [ Pass Timeout ]