Fix a wrong content in the safe_browsing_db.gypi.
Fix a wrong content in the safe_browsing_db.gypi.

The line
'safe_browsing_db/remote_database_managerh'
should be
'safe_browsing_db/remote_database_manager.h'.

R=vakh@chromium.org
BUG=609418

Review-Url: https://codereview.chromium.org/1955533002
Cr-Commit-Position: 972c6d2dc6dd5efdad1377c0d224e03eb8f276f7@{#392013}

axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk