Profiles: Add a size check to ProfileImpl to make sure it no longer grows.

We need to prevent regressions where someone will add another service
to ProfileImpl that isn't managed by a ProfileKeyedServiceFactory.

BUG=77155
TEST=compiles on Linux x64


Review URL: http://codereview.chromium.org/9111035

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@116743 0039d316-1c4b-4281-b951-d872f2087c98
2 files changed