Added nudge source counters to about:sync.

chrome/browser/sync/about_sync_util.cc

Index: chrome/browser/sync/about_sync_util.cc
diff --git a/chrome/browser/sync/about_sync_util.cc b/chrome/browser/sync/about_sync_util.cc
index 5138a3ce5a7d86bf9947fe0e2b8458604a827a9a..26c6f375f1dc0aaaaf25e576944b2f038672c115 100644
--- a/chrome/browser/sync/about_sync_util.cc
+++ b/chrome/browser/sync/about_sync_util.cc
@@ -253,6 +253,14 @@ scoped_ptr<DictionaryValue> ConstructAboutInformation(
   IntSyncStat committed_count(section_that_cycle, "Committed Count");
   IntSyncStat entries(section_that_cycle, "Entries");
 
+  ListValue* section_nudge_info = AddSection(
+      stats_list, "Nudge Source Counters");
+  IntSyncStat nudge_source_notification(
+      section_nudge_info, "Server Invalidations");
+  IntSyncStat nudge_source_local(section_nudge_info, "Local Changes");
+  IntSyncStat nudge_source_continuation(section_nudge_info, "Continuations");
+  IntSyncStat nudge_source_local_refresh(section_nudge_info, "Local Refreshes");
+
   // This list of sections belongs in the 'details' field of the returned
   // message.
   about_info->Set("details", stats_list);
@@ -359,6 +367,13 @@ scoped_ptr<DictionaryValue> ConstructAboutInformation(
     updates_remaining.SetValue(full_status.updates_available);
   }
 
+  if (is_status_valid) {
+    nudge_source_notification.SetValue(full_status.nudge_source_notification);
+    nudge_source_local.SetValue(full_status.nudge_source_local);
+    nudge_source_continuation.SetValue(full_status.nudge_source_continuation);
+    nudge_source_local_refresh.SetValue(full_status.nudge_source_local_refresh);
+  }
+
   if (snapshot.is_initialized()) {
     updates_downloaded.SetValue(
         snapshot.model_neutral_state().num_updates_downloaded_total);