GitLab

ExtensionsServiceBackend::GarbageCollectionExtensions() makes a local copy of install_directory_. It was forcing the persistent copy to an absolute path which was causing the ExternsionsService and ExtensionsPrefs install_directory_ values to diverge.

Re-enable ExternalInstallPref on mac.

TBR=mpcomplete

Review URL: http://codereview.chromium.org/155187

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@20214 0039d316-1c4b-4281-b951-d872f2087c98