Make browsing context keywords case-insensitive.

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 6fc60d0a738fd5205a2bf72ea254d0316e1ea7ad..acd246e1e0bca6643b7a3b1b9d364ab461b70e86 100644
--- a/third_party/WebKit/LayoutTests/TestExpectations
+++ b/third_party/WebKit/LayoutTests/TestExpectations
@@ -1882,7 +1882,6 @@ crbug.com/695270 [ Linux ] external/csswg-test/css-writing-modes-3/overconstrain
 crbug.com/626703 external/wpt/domxpath/001.html [ Failure ]
 
 # ====== New tests from w3c-test-autoroller added here ======
-crbug.com/626703 external/wpt/html/browsers/windows/browsing-context-names/browsing-context-choose-parent-004.html [ Timeout ]
 crbug.com/626703 external/csswg-test/css-cascade-4/revert-val-001.html [ Failure ]
 crbug.com/626703 external/csswg-test/css-ui-3/box-sizing-026.html [ Failure ]
 crbug.com/626703 external/wpt/content-security-policy/connect-src/connect-src-eventsource-blocked.sub.html [ Timeout ]