Add information about sync session and other useful data to about:sync.

chrome/browser/sync/engine/syncer_proto_util.cc

 // Copyright (c) 2010 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/sync/engine/syncer_proto_util.h"
 
 #include "base/format_macros.h"
 #include "base/stringprintf.h"
 #include "chrome/browser/sync/engine/net/server_connection_manager.h"
 #include "chrome/browser/sync/engine/syncer.h"
@@ skipping 218 matching lines @@
       LOG(WARNING) << "Sync protocol out-of-date. The server is using a more "
                    << "recent version.";
       return false;
     case ClientToServerResponse::SUCCESS:
       LogResponseProfilingData(*response);
       return true;
     case ClientToServerResponse::THROTTLED:
       LOG(WARNING) << "Client silenced by server.";
       session->delegate()->OnSilencedUntil(base::TimeTicks::Now() +
           base::TimeDelta::FromSeconds(kSyncDelayAfterThrottled));
+      session->status_controller()->set_throttled();
       return false;
     case ClientToServerResponse::TRANSIENT_ERROR:
       return false;
     case ClientToServerResponse::MIGRATION_DONE:
       HandleMigrationDoneResponse(response, session);
       return false;
     case ClientToServerResponse::USER_NOT_ACTIVATED:
     case ClientToServerResponse::AUTH_INVALID:
     case ClientToServerResponse::ACCESS_DENIED:
       // WARNING: PostAndProcessHeaders contains a hack for this case.
@@ skipping 125 matching lines @@
 std::string SyncerProtoUtil::ClientToServerResponseDebugString(
     const sync_pb::ClientToServerResponse& response) {
   // Add more handlers as needed.
   std::string output;
   if (response.has_get_updates())
     output.append(GetUpdatesResponseString(response.get_updates()));
   return output;
 }
 
 }  // namespace browser_sync