[webtests] Re-enable temporarily disabled blink test

Bug: 1043030
Change-Id: Ic522f1ddb4e8a4cfc79219704e2324ae41579d38
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2071258Reviewed-by: Peter Marshall <petermarshall@chromium.org>
Commit-Queue: Kim-Anh Tran <kimanh@chromium.org>
Cr-Commit-Position: refs/heads/master@{#744676}

third_party/blink/web_tests/TestExpectations

@@ -7,9 +7,6 @@
 # Further documentation:
 # https://chromium.googlesource.com/chromium/src/+/master/docs/testing/web_test_expectations.md
 
-# Temporarily disabled for 1043030
-crbug.com/1043030 http/tests/devtools/sources/source-frame-toolbar-items.js [ Pass Failure ]
-
 # Intentional failures to test the layout test system.
 harness-tests/crash.html [ Crash ]
 harness-tests/timeout.html [ Timeout ]

third_party/blink/web_tests/http/tests/devtools/sources/source-frame-toolbar-items-expected.txt

@@ -5,12 +5,14 @@ Items for foo.js:
 
 Line 1, Column 1
 
+
 foo.js:16
 Coverage: n/a
 Items for test.js:
 
 Line 1, Column 1
 
+
 foo.js:13
 Coverage: n/a
 Script execution resumed.