Remove the now-passing test from expectations.

third_party/WebKit/LayoutTests/ASANExpectations

 # This file is used for tests that only need to be suppressed on
 # the Chromium WebKit ASAN bots.
 
 # NULL deref in libflashplayer.so, http://crbug.com/145940
 # ==12527== ERROR: AddressSanitizer: SEGV on unknown address 0x7f628058b38b
 # AddressSanitizer can not provide additional info.
 #    #0 0x7f62d3d34cf0 in ?? ??:0
 #    #1 0x1fec5c261c15ff
 crbug.com/145940 [ Linux ] fast/images/embed-does-not-propagate-dimensions-to-object-ancestor.html [ Skip ]
 crbug.com/145940 [ Linux ] fast/loader/loadInProgress.html [ Skip ]
@@ skipping 28 matching lines @@
 # AddressSanitizer can not provide additional info.
 #    #0 0x2a054b2 in webkit::npapi::WebPluginImpl::HandleURLRequestInternal
 crbug.com/142301 [ Linux ] plugins/get-url-notify-with-url-that-fails-to-load.html [ Skip ]
 
 # Crash in fast/js/string-replacement-outofmemory.html, http://crbug.com/173366
 # ==5971== ERROR: AddressSanitizer: SEGV on unknown address 0x0000bbadbeef
 # AddressSanitizer can not provide additional info.
 #     #0 0x8c2ee4 in WebCore::reportFatalErrorInMainThread
 crbug.com/173366 [ Linux ] fast/js/string-replacement-outofmemory.html [ Skip ]
 
-# Crash in fast/speechsynthesis/speech-synthesis-cancel.html:
-# ==10454==ERROR: AddressSanitizer: SEGV on unknown address 0x000000000008 (pc 0x00000558b918 sp 0x7fff3153dcf0 bp 0x7fff3153dcf0 T0)
-# AddressSanitizer can not provide additional info.
-#     #0 0x558b917 in WebCore::PlatformSpeechSynthesisUtterance::client() const /mnt/data/b/build/slave/WebKit_Linux_ASAN/build/src/out/Release/../../third_party/WebKit/Source/core/platform/PlatformSpeechSynthesisUtterance.h:71:0
-# [pkasting] July 23 2014: Now timing out instead of crashing.
-crbug.com/250520 [ Linux ] fast/speechsynthesis/speech-synthesis-cancel.html [ Timeout ]
-
 # These tests consistently fail on slow bots.
 crbug.com/231357 [ Linux ] compositing/video-page-visibility.html [ Failure ]
 
 # These have been failing since at least chrome r203901, blink r151723 (no memory errors, just text failure):
 crbug.com/231357 [ Linux ] editing/execCommand/switch-list-type-with-orphaned-li.html [ Failure ]
 crbug.com/231357 [ Linux ] perf/mouse-event.html [ Crash ]
 
 crbug.com/333791 [ Linux ] svg/animations/repeatn-event-1b.svg [ Pass Failure ]
 crbug.com/333791 [ Linux ] svg/animations/repeatn-event-1d.svg [ Pass Failure ]
 crbug.com/192172 [ Linux ] compositing/rtl/rtl-iframe-absolute-overflow.html [ Failure Pass ]
@@ skipping 45 matching lines @@
 crbug.com/451577 [ Linux ] inspector/extensions/extensions-resources.html [ Slow ]
 crbug.com/451577 [ Linux ] inspector/extensions/extensions-sidebar.html [ Slow ]
 crbug.com/451577 [ Linux ] inspector/layers/layer-canvas-log.html [ Slow ]
 
 crbug.com/572723 [ Linux ] inspector/sources/debugger/debugger-completions-on-call-frame.html [ Timeout Pass ]
 
 # Intentionally failed allocations, via partitionAllocGenericFlags()
 crbug.com/577889 [ Linux ] fast/js/typed-array-allocation-failure.html [ Crash ]
 
 crbug.com/624712 [ Linux ] virtual/threaded/fast/compositorworker/compositor-attribute-change-worker.html [ Timeout ]