GetInstalledExtensionVersion  171 chrome/browser/chromeos/extensions/external_cache.cc     *version = delegate_->GetInstalledExtensionVersion(id);
GetInstalledExtensionVersion  240 chrome/browser/chromeos/extensions/external_cache.cc           !delegate_->GetInstalledExtensionVersion(it.key()).empty();
GetInstalledExtensionVersion   51 chrome/browser/chromeos/extensions/external_cache.h     virtual std::string GetInstalledExtensionVersion(const std::string& id);