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morrita@google.com authored
https://bugs.webkit.org/show_bug.cgi?id=77216 Reviewed by Ryosuke Niwa. Added null checks for document()->frame(). No new tests. Just tighten guards for possible codepaths. * editing/TypingCommand.cpp: (WebCore::TypingCommand::markMisspellingsAfterTyping): (WebCore::TypingCommand::typingAddedToOpenCommand): (WebCore::TypingCommand::deleteKeyPressed): (WebCore::TypingCommand::forwardDeleteKeyPressed): git-svn-id: http://svn.webkit.org/repository/webkit/trunk@106646 268f45cc-cd09-0410-ab3c-d52691b4dbfc
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