Breaks chromium win.

This also includes:

Revert "[gn] Add missing deps to inspector_protocol_parser_test"

Revert "Fix gitignores after moving inspector_protocol"

NOTRY=true
BUG=chromium:580337
TBR=yangguo@chromium.org, jochen@chromium.org, pfeldman@chromium.org

Review-Url: https://codereview.chromium.org/2187263002
Cr-Commit-Position: refs/heads/master@{#38128}