angler-fishThe Vulnerability History Project

Detach SpeechRecognitionController upon page detach.

      When a page is notified destroyed, it is no longer safe to access
the page's SpeechRecognitionController as its lifetime is that of
the page.

R=haraken
BUG=455857

Review URL: https://codereview.chromium.org/960223002

git-svn-id: svn://svn.chromium.org/blink/trunk@190993 bbb929c8-8fbe-4397-9dbb-9b2b20218538
    
commit 7c730fc5e393d30df80f231571da66d99ccc9e50
-17
-44
+15 -24
+2 -19
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