[Sync] - In about:sync page display if the first sync after restart has taken place or not.

chrome/browser/sync/engine/all_status.cc

Index: chrome/browser/sync/engine/all_status.cc
diff --git a/chrome/browser/sync/engine/all_status.cc b/chrome/browser/sync/engine/all_status.cc
index 374c0d35a42050e0c8944af7675a2aae7e400956..f302488ab64b824d75134ef583f67d1897aedaa5 100644
--- a/chrome/browser/sync/engine/all_status.cc
+++ b/chrome/browser/sync/engine/all_status.cc
@@ -17,7 +17,7 @@
 namespace browser_sync {
 
 AllStatus::AllStatus() {
-  status_.summary = sync_api::SyncManager::Status::OFFLINE;
+  status_.summary = sync_api::SyncManager::Status::UNINITIALIZED;
   status_.initial_sync_ended = true;
   status_.notifications_enabled = false;
   status_.cryptographer_ready = false;
@@ -69,6 +69,7 @@ sync_api::SyncManager::Status AllStatus::CalcSyncing(
   // TODO(ncarter): Make this realtime by having the syncer_status
   // counter preserve its value across sessions.  http://crbug.com/26339
   if (event.what_happened == SyncEngineEvent::SYNC_CYCLE_ENDED) {
+    ++status.sync_count;
     status.updates_received +=
         snapshot->syncer_status.num_updates_downloaded_total;
     status.tombstone_updates_received +=
@@ -94,19 +95,19 @@ sync_api::SyncManager::Status AllStatus::CalcSyncing(
 
 void AllStatus::CalcStatusChanges() {
   const bool unsynced_changes = status_.unsynced_count > 0;
-  const bool online = status_.authenticated &&
+  const bool online = status_.sync_count > 0 && status_.authenticated &&
     status_.server_reachable && status_.server_up;
   if (online) {
     if (status_.syncing)
       status_.summary = sync_api::SyncManager::Status::SYNCING;
     else
       status_.summary = sync_api::SyncManager::Status::READY;
-  } else if (!status_.initial_sync_ended) {
-    status_.summary = sync_api::SyncManager::Status::OFFLINE_UNUSABLE;
   } else if (unsynced_changes) {
     status_.summary = sync_api::SyncManager::Status::OFFLINE_UNSYNCED;
-  } else {
+  } else if (status_.sync_count > 0) {
     status_.summary = sync_api::SyncManager::Status::OFFLINE;
+  } else {
+    status_.summary = sync_api::SyncManager::Status::UNINITIALIZED;
   }
 }