Review URL: http://codereview.chromium.org/62160

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@13600 0039d316-1c4b-4281-b951-d872f2087c98

2 files changed, 12 insertions, 0 deletions

diff --git a/chrome/browser/browser_main.cc b/chrome/browser/browser_main.cc
index 0ef576f..9e9d656 100644
--- a/chrome/browser/browser_main.cc
+++ b/chrome/browser/browser_main.cc
@@ -17,6 +17,7 @@
 #include "base/string_piece.h"
 #include "base/string_util.h"
 #include "base/system_monitor.h"
+#include "base/time.h"
 #include "base/tracked_objects.h"
 #include "base/values.h"
 #include "chrome/browser/browser_main_win.h"
@@ -372,6 +373,16 @@ int BrowserMain(const MainFunctionParams& parameters) {
   // services aware of all our preferences.
   browser::RegisterAllPrefs(user_prefs, local_state);
 
+  // Now that all preferences have been registered, set the install date
+  // for the uninstall metrics if this is our first run. This only actually
+  // gets used if the user has metrics reporting enabled at uninstall time.
+  int64 install_date =
+      local_state->GetInt64(prefs::kUninstallMetricsInstallDate);
+  if (install_date == 0) {
+    local_state->SetInt64(prefs::kUninstallMetricsInstallDate,
+                          base::Time::Now().ToTimeT());
+  }
+
   // Record last shutdown time into a histogram.
   browser_shutdown::ReadLastShutdownInfo();
 
diff --git a/chrome/browser/metrics/metrics_service.cc b/chrome/browser/metrics/metrics_service.cc
index 8e94e98..2d5b502 100644
--- a/chrome/browser/metrics/metrics_service.cc
+++ b/chrome/browser/metrics/metrics_service.cc
@@ -339,6 +339,7 @@ void MetricsService::RegisterPrefs(PrefService* local_state) {
 
   local_state->RegisterInt64Pref(prefs::kUninstallMetricsPageLoadCount, 0);
   local_state->RegisterInt64Pref(prefs::kUninstallLaunchCount, 0);
+  local_state->RegisterInt64Pref(prefs::kUninstallMetricsInstallDate, 0);
   local_state->RegisterInt64Pref(prefs::kUninstallMetricsUptimeSec, 0);
   local_state->RegisterInt64Pref(prefs::kUninstallLastLaunchTimeSec, 0);
   local_state->RegisterInt64Pref(prefs::kUninstallLastObservedRunTimeSec, 0);