[Sync] Display the client server traffic log in about:sync.

sync/engine/sync_scheduler_unittest.cc

 // Copyright (c) 2012 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 "base/bind.h"
 #include "base/callback.h"
 #include "base/compiler_specific.h"
 #include "base/memory/weak_ptr.h"
 #include "base/message_loop.h"
 #include "base/test/test_timeouts.h"
@@ skipping 80 matching lines @@
     routing_info[syncable::BOOKMARKS] = GROUP_UI;
     routing_info[syncable::AUTOFILL] = GROUP_DB;
     routing_info[syncable::THEMES] = GROUP_UI;
     routing_info[syncable::NIGORI] = GROUP_PASSIVE;
     registrar_.reset(new FakeModelSafeWorkerRegistrar(routing_info));
     connection_.reset(new MockConnectionManager(directory()));
     connection_->SetServerReachable();
     context_ = new SyncSessionContext(
         connection_.get(), directory(), registrar_.get(),
         &extensions_activity_monitor_,
-        std::vector<SyncEngineEventListener*>(), NULL);
+        std::vector<SyncEngineEventListener*>(), NULL, NULL);
     context_->set_notifications_enabled(true);
     context_->set_account_name("Test");
     scheduler_.reset(
         new SyncScheduler("TestSyncScheduler", context_, syncer_));
   }
 
   SyncScheduler* scheduler() { return scheduler_.get(); }
   MockSyncer* syncer() { return syncer_; }
   MockDelayProvider* delay() { return delay_; }
   MockConnectionManager* connection() { return connection_.get(); }
@@ skipping 1046 matching lines @@
   PumpLoop();
   // Pump again to run job.
   PumpLoop();
 
   StopSyncScheduler();
 
   EXPECT_TRUE(expected == context()->previous_session_routing_info());
 }
 
 }  // namespace browser_sync