Disable fullscreen/full-screen-iframe-zIndex.html test.

third_party/WebKit/LayoutTests/TestExpectations

 # Intentional failures to test the layout test system.
 Bug(intentional) [ Android Linux Win Mac10.10 Mac10.11 Retina ] harness-tests/crash.html [ Crash ]
 crbug.com/644303 [ Mac10.9 ] harness-tests/crash.html [ Crash Timeout ]
 Bug(intentional) harness-tests/timeout.html [ Timeout ]
 
 # ====== Oilpan-only failures from here ======
 # Most of these actually cause the tests to report success, rather than
 # failure. Expected outputs will be adjusted for the better once Oilpan
 # has been well and truly enabled always.
 
@@ skipping 663 matching lines @@
 # ====== LayoutNG-only failures until here ======
 
 # Requires ServiceWorkerNavigationPreload feature enabled. Run under
 # virtual/service-worker-navigation-preload only.
 crbug.com/649558 http/tests/serviceworker/navigation-preload/ [ Skip ]
 crbug.com/649558 virtual/mojo-loading/http/tests/serviceworker/navigation-preload/ [ Skip ]
 
 # Run these tests with under virtual/scalefactor... only.
 crbug.com/567837 fast/hidpi/static [ Skip ]
 
+# This test fails under the feature "Stop creating layout objects for elements
+# inside display: none iframes" [crbug.com/650433]. The root cause is a
+# long-standing fullscreen bug. No one is going to fix the issue in the near
+# future, as foolip@ is in the process of performing a significant fullscreen
+# refactor. See [crbug.com/676432] for a minimized repro.
+crbug.com/676432 fullscreen/full-screen-iframe-zIndex.html [ Skip ]
+
 # TODO(xiaochengh): We should either convert the following tests with
 # spellcheck_test, or remove if they become redundant or inapplicable.
 crbug.com/563265 editing/spelling/spellcheck-editable-on-focus-multiframe.html [ Skip ]
 crbug.com/563265 editing/spelling/spellcheck-editable-on-focus-sync.html [ Skip ]
 
 crbug.com/657946 [ Mac ] virtual/color_space/fast/canvas/color-space/display_linear-rgb.html [ Failure ]
 crbug.com/671048 [ Linux Win ] virtual/color_space/fast/canvas/color-space/display_linear-rgb.html [ Failure ]
 
 crbug.com/538697 [ Win7 Debug ] virtual/threaded/printing/webgl-oversized-printing.html [ Failure Crash ]
 crbug.com/538697 [ Win7 Debug ] printing/webgl-oversized-printing.html [ Failure Crash ]
@@ skipping 1644 matching lines @@
 crbug.com/680407 [ Mac ] fast/forms/select/menulist-appearance-basic.html [ NeedsManualRebaseline ]
 
 # No mock Mojo interface for services yet
 crbug.com/659139 [ Mac ] http/tests/shapedetection/shapedetection-cross-origin.html [ Skip ]
 crbug.com/659139 [ Mac ] shapedetection/detection-HTMLCanvasElement.html [ Skip ]
 crbug.com/659139 [ Mac ] shapedetection/detection-HTMLImageElement.html [ Skip ]
 crbug.com/659139 [ Mac ] shapedetection/detection-HTMLVideoElement.html [ Skip ]
 crbug.com/659139 [ Mac ] shapedetection/detection-ImageBitmap.html [ Skip ]
 crbug.com/659139 [ Mac ] shapedetection/detection-ImageData.html [ Skip ]
 crbug.com/659139 [ Mac ] shapedetection/detection-options.html [ Skip ]