Added nudge source counters to about:sync.

sync/engine/all_status.h

 // 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.
 //
 // The AllStatus object watches various sync engine components and aggregates
 // the status of all of them into one place.
 
 #ifndef SYNC_INTERNAL_API_ALL_STATUS_H_
 #define SYNC_INTERNAL_API_ALL_STATUS_H_
 
 #include <map>
 #include <string>
 
 #include "base/compiler_specific.h"
 #include "base/synchronization/lock.h"
 #include "sync/engine/sync_engine_event.h"
 #include "sync/engine/syncer_types.h"
 #include "sync/internal_api/public/base/model_type.h"
 #include "sync/internal_api/public/engine/sync_status.h"
+#include "sync/engine/nudge_source.h"
 
 namespace syncer {
 
 class ScopedStatusLock;
 struct ServerConnectionEvent;
 
 // This class collects data and uses it to update its internal state.  It can
 // return a snapshot of this state as a SyncerStatus object.
 //
 // Most of this data ends up on the about:sync page.  But the page is only
@@ skipping 22 matching lines @@
 
   void SetEncryptedTypes(ModelTypeSet types);
   void SetCryptographerReady(bool ready);
   void SetCryptoHasPendingKeys(bool has_pending_keys);
   void SetPassphraseType(PassphraseType type);
   void SetHasKeystoreKey(bool has_keystore_key);
   void SetKeystoreMigrationTime(const base::Time& migration_time);
 
   void SetUniqueId(const std::string& guid);
 
+  void IncrementNudgeCounter(NudgeSource source);
+
  protected:
   // Examines syncer to calculate syncing and the unsynced count,
   // and returns a Status with new values.
   SyncStatus CalcSyncing(const SyncEngineEvent& event) const;
   SyncStatus CreateBlankStatus() const;
 
   SyncStatus status_;
 
   mutable base::Lock mutex_;  // Protects all data members.
   DISALLOW_COPY_AND_ASSIGN(AllStatus);
 };
 
 class ScopedStatusLock {
  public:
   explicit ScopedStatusLock(AllStatus* allstatus);
   ~ScopedStatusLock();
  protected:
   AllStatus* allstatus_;
 };
 
 }  // namespace syncer
 
 #endif  // SYNC_INTERNAL_API_ALL_STATUS_H_