Implemented initial version of server-issued notification client.

chrome/browser/sync/notification_method.cc

Index: chrome/browser/sync/notification_method.cc
diff --git a/chrome/browser/sync/notification_method.cc b/chrome/browser/sync/notification_method.cc
index aec4a9c47a7ea8a7486a572bb96952f3248c3697..9c00344e6d8d23e6439427577b989527b02fa46f 100644
--- a/chrome/browser/sync/notification_method.cc
+++ b/chrome/browser/sync/notification_method.cc
@@ -24,6 +24,9 @@ std::string NotificationMethodToString(
     case NOTIFICATION_NEW:
       return "NOTIFICATION_NEW";
       break;
+    case NOTIFICATION_SERVER:
+      return "NOTIFICATION_SERVER";
+      break;
     default:
       LOG(WARNING) << "Unknown value for notification method: "
                    << notification_method;
@@ -39,6 +42,8 @@ NotificationMethod StringToNotificationMethod(const std::string& str) {
     return NOTIFICATION_TRANSITIONAL;
   } else if (str == "new") {
     return NOTIFICATION_NEW;
+  } else if (str == "server") {
+    return NOTIFICATION_SERVER;
   }
   LOG(WARNING) << "Unknown notification method \"" << str
                << "\"; using method "