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 94b7994f8bef4850373ee8d4da8e098d9779ce77..8d833819b6293c952ffc0dd94df454d405edbc5e 100644
--- a/chrome/installer/util/google_update_settings.cc
+++ b/chrome/installer/util/google_update_settings.cc
@@ -298,14 +298,14 @@ bool GoogleUpdateSettings::SetCollectStatsConsentAtLevel(bool system_install,
   return (result == ERROR_SUCCESS);
 }
 
-bool GoogleUpdateSettings::GetMetricsId(std::string* metrics_id) {
+bool GoogleUpdateSettings::RetrieveMetricsID(std::string* metrics_id) {
   std::wstring metrics_id_w;
   bool rv = ReadGoogleUpdateStrKey(google_update::kRegMetricsId, &metrics_id_w);
   *metrics_id = base::WideToUTF8(metrics_id_w);
   return rv;
 }
 
-bool GoogleUpdateSettings::SetMetricsId(const std::string& metrics_id) {
+bool GoogleUpdateSettings::SaveMetricsID(const std::string& metrics_id) {
   std::wstring metrics_id_w = base::UTF8ToWide(metrics_id);
   return WriteGoogleUpdateStrKey(google_update::kRegMetricsId, metrics_id_w);
 }