Refactor SetClientID such that metrics rather than crash backs up the client id in Google Update set

chrome/installer/util/google_update_settings.cc

Index: chrome/installer/util/google_update_settings.cc
diff --git a/chrome/installer/util/google_update_settings.cc b/chrome/installer/util/google_update_settings.cc
index 81e33ed1138748678c355c1638154e496608ac9f..4d53ecac94977db4553432fea4117b2a31286843 100644
--- a/chrome/installer/util/google_update_settings.cc
+++ b/chrome/installer/util/google_update_settings.cc
@@ -296,14 +296,14 @@ bool GoogleUpdateSettings::SetCollectStatsConsentAtLevel(bool system_install,
   return (result == ERROR_SUCCESS);
 }
 
-bool GoogleUpdateSettings::GetMetricsId(std::string* metrics_id) {
+bool GoogleUpdateSettings::LoadMetricsClientId(std::string* metrics_id) {
   base::string16 metrics_id16;
   bool rv = ReadGoogleUpdateStrKey(google_update::kRegMetricsId, &metrics_id16);
   *metrics_id = base::UTF16ToUTF8(metrics_id16);
   return rv;
 }
 
-bool GoogleUpdateSettings::SetMetricsId(const std::string& metrics_id) {
+bool GoogleUpdateSettings::StoreMetricsClientId(const std::string& metrics_id) {
   base::string16 metrics_id16 = base::UTF8ToUTF16(metrics_id);
   return WriteGoogleUpdateStrKey(google_update::kRegMetricsId, metrics_id16);
 }