Report PasswordManager.OsPasswordStatus on a background thread with a delay.

chrome/browser/password_manager/password_store_factory.cc

Index: chrome/browser/password_manager/password_store_factory.cc
diff --git a/chrome/browser/password_manager/password_store_factory.cc b/chrome/browser/password_manager/password_store_factory.cc
index c4a9d4ab106674dd783d8bdc5d26e25e0b7f8727..7de59d1e0004e5c14d8abeba8ff96ac6f1dccd59 100644
--- a/chrome/browser/password_manager/password_store_factory.cc
+++ b/chrome/browser/password_manager/password_store_factory.cc
@@ -6,7 +6,9 @@
 
 #include "base/command_line.h"
 #include "base/environment.h"
+#include "base/metrics/histogram_macros.h"
 #include "base/prefs/pref_service.h"
+#include "chrome/browser/password_manager/password_manager_util.h"
 #include "chrome/browser/password_manager/sync_metrics.h"
 #include "chrome/browser/profiles/incognito_helpers.h"
 #include "chrome/browser/sync/glue/sync_start_util.h"
@@ -42,14 +44,34 @@
 
 using password_manager::PasswordStore;
 
-#if !defined(OS_CHROMEOS) && defined(USE_X11)
 namespace {
 
+#if !defined(OS_CHROMEOS) && defined(USE_X11)
 const LocalProfileId kInvalidLocalProfileId =
     static_cast<LocalProfileId>(0);
+#endif
+
+void ReportOsPassword() {
+  password_manager_util::OsPasswordStatus status =
+      password_manager_util::GetOsPasswordStatus();
+
+  UMA_HISTOGRAM_ENUMERATION("PasswordManager.OsPasswordStatus",
+                            status,
+                            password_manager_util::MAX_PASSWORD_STATUS);
+}
+
+void DelayReportOsPassword() {
+  // Avoid checking OS password until later on in browser startup
+  // since it calls a few Windows APIs.
+  content::BrowserThread::PostDelayedTask(
+      content::BrowserThread::FILE,
+      FROM_HERE,
+      base::Bind(&ReportOsPassword),
+      base::TimeDelta::FromSeconds(40));
+}
 
 }  // namespace
-#endif
+
 
 PasswordStoreService::PasswordStoreService(
     scoped_refptr<PasswordStore> password_store)
@@ -122,6 +144,7 @@ LocalProfileId PasswordStoreFactory::GetLocalProfileId(
 
 KeyedService* PasswordStoreFactory::BuildServiceInstanceFor(
     content::BrowserContext* context) const {
+  DelayReportOsPassword();
   Profile* profile = static_cast<Profile*>(context);
 
   base::FilePath login_db_file_path = profile->GetPath();