[Sync] Handle errors during first sync gracefully.

chrome/browser/sync/sessions/session_state.h

Index: chrome/browser/sync/sessions/session_state.h
diff --git a/chrome/browser/sync/sessions/session_state.h b/chrome/browser/sync/sessions/session_state.h
index 65e16b2c7bf2b82ef8c50c5414ad579a173f5ed1..36f27abdccab9eb11e772c5bea799b56988a1615 100644
--- a/chrome/browser/sync/sessions/session_state.h
+++ b/chrome/browser/sync/sessions/session_state.h
@@ -134,7 +134,8 @@ struct SyncSessionSnapshot {
       bool did_commit_items,
       const SyncSourceInfo& source,
       size_t num_entries,
-      base::Time sync_start_time);
+      base::Time sync_start_time,
+      bool retry_scheduled);
   ~SyncSessionSnapshot();
 
   // Caller takes ownership of the returned dictionary.
@@ -157,6 +158,7 @@ struct SyncSessionSnapshot {
   const SyncSourceInfo source;
   const size_t num_entries;
   base::Time sync_start_time;
+  const bool retry_scheduled;
 };
 
 // Tracks progress of conflicts and their resolution using conflict sets.