LeakExpectations: add more inspector protocol tests

TBR=hajimehoshi
NOTRY=true
BUG=376188

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

git-svn-id: svn://svn.chromium.org/blink/trunk@177027 bbb929c8-8fbe-4397-9dbb-9b2b20218538