Record chrome's startup time, to be used in future retention experiments

- For windows in the registry
- not implemented for posix

BUG=32474
TEST=none


Review URL: http://codereview.chromium.org/558009

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@37360 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 14 insertions, 0 deletions

diff --git a/chrome/browser/google_update_settings_posix.cc b/chrome/browser/google_update_settings_posix.cc
index ff5bb4c..d1ce592 100644
--- a/chrome/browser/google_update_settings_posix.cc
+++ b/chrome/browser/google_update_settings_posix.cc
@@ -69,3 +69,17 @@ bool GoogleUpdateSettings::SetMetricsId(const std::wstring& client_id) {
   google_update::posix_guid = WideToASCII(client_id);
   return GoogleUpdateSettings::SetCollectStatsConsent(true);
 }
+
+// GetLastRunTime and SetLastRunTime are not implemented for posix. Their
+// currebnt return values signal failure which the caller is designed to
+// handle.
+
+// static
+int GoogleUpdateSettings::GetLastRunTime() {
+  return -1;
+}
+
+// static
+bool GoogleUpdateSettings::SetLastRunTime() {
+  return false;
+}