Revert of [css-flexbox] align-content should apply even when there's just a single line (patchset #…

third_party/WebKit/LayoutTests/TestExpectations

Index: third_party/WebKit/LayoutTests/TestExpectations
diff --git a/third_party/WebKit/LayoutTests/TestExpectations b/third_party/WebKit/LayoutTests/TestExpectations
index 26c727be9dcdc6f8a7bf6e24b99e7251ac9eb7ab..40d37b96f60b24208306c031fe583526f73475db 100644
--- a/third_party/WebKit/LayoutTests/TestExpectations
+++ b/third_party/WebKit/LayoutTests/TestExpectations
@@ -889,12 +889,6 @@ crbug.com/467127 [ Mac Win ] imported/csswg-test/css-flexbox-1/ttwf-reftest-flex
 
 crbug.com/570894 [ Win ] imported/csswg-test/css-flexbox-1/flexbox_flex-natural-mixed-basis-auto.html [ Failure Pass ]
 
-# These four tests fail because of a bug in Firefox
-crbug.com/599828 imported/csswg-test/vendor-imports/mozilla/mozilla-central-reftests/flexbox/flexbox-align-content-vert-001b.xhtml [ Failure ]
-crbug.com/599828 imported/csswg-test/vendor-imports/mozilla/mozilla-central-reftests/flexbox/flexbox-align-content-horiz-001a.xhtml [ Failure ]
-crbug.com/599828 imported/csswg-test/vendor-imports/mozilla/mozilla-central-reftests/flexbox/flexbox-align-content-horiz-001b.xhtml [ Failure ]
-crbug.com/599828 imported/csswg-test/vendor-imports/mozilla/mozilla-central-reftests/flexbox/flexbox-align-content-vert-001a.xhtml [ Failure ]
-
 # We render the expectation incorrectly for these five tests
 crbug.com/310004 imported/csswg-test/vendor-imports/mozilla/mozilla-central-reftests/flexbox/flexbox-basic-canvas-vert-001.xhtml [ Failure ]
 crbug.com/310004 imported/csswg-test/vendor-imports/mozilla/mozilla-central-reftests/flexbox/flexbox-basic-iframe-vert-001.xhtml [ Failure ]