Add synchronous-mode operation to MockHostResolver; this helps clarify some tests, which were using caching to get synchronous resolutions.TEST=existingBUG=NONE (addresses a TODO however).
Review URL: http://codereview.chromium.org/155620

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@21052 0039d316-1c4b-4281-b951-d872f2087c98
6 files changed