LeakExpectations: add more inspector protocol tests
LeakExpectations: add more inspector protocol tests

TBR=hajimehoshi
NOTRY=true
BUG=376188

Review URL: https://codereview.chromium.org/351353003

git-svn-id: bf5cd6ccde378db821296732a091cfbcf5285fbd@177027 bbb929c8-8fbe-4397-9dbb-9b2b20218538

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