Invalidation trickles mega-patch

sync/notifier/unacked_invalidation_storage.h

Index: sync/notifier/unacked_invalidation_storage.h
diff --git a/sync/notifier/unacked_invalidation_storage.h b/sync/notifier/unacked_invalidation_storage.h
new file mode 100644
index 0000000000000000000000000000000000000000..915cb79035b35fc98b2d02367fc93c70dec9f57d
--- /dev/null
+++ b/sync/notifier/unacked_invalidation_storage.h
@@ -0,0 +1,64 @@
+// Copyright 2013 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.
+
+#ifndef SYNC_NOTIFIER_UNACKED_INVALIDATION_STORAGE_H_
+#define SYNC_NOTIFIER_UNACKED_INVALIDATION_STORAGE_H_
+
+#include <vector>
+
+#include "sync/internal_api/public/base/invalidation.h"
+#include "sync/internal_api/public/util/weak_handle.h"
+#include "sync/notifier/invalidation_util.h"
+
+namespace base {
+class DictionaryValue;
+}  // namespace base
+
+namespace syncer {
+
+class OrderedInvalidationList;
+class ObjectIdInvalidationMap;
+class AckHandle;
+
+class SYNC_EXPORT UnackedInvalidationStorage {
+ public:
+  UnackedInvalidationStorage(invalidation::ObjectId id);
+  ~UnackedInvalidationStorage();
+
+  bool ResetFromValue(const base::DictionaryValue& value);
+
+  const invalidation::ObjectId& GetObjectId() const;
+
+  void RecordInvalidation(const Invalidation& invalidation);
+  void RecordInvalidations(const OrderedInvalidationList& invalidations);
+  void UnpackRecordedInvalidations(ObjectIdInvalidationMap* out,
+                                   WeakHandle<AckHandler> ack_handler) const;
+  void Clear();
+
+  void SetIsRegistered();
+  void UnsetIsRegistered();
+
+  void Acknowledge(const AckHandle& handle);
+  void Drop(const AckHandle& handle);
+
+  scoped_ptr<base::DictionaryValue> ToValue() const;
+
+ private:
+  typedef std::set<Invalidation, InvalidationVersionLessThan> InvalidationsSet;
+
+  void Truncate(size_t max_size);
+  bool ResetListFromValue(const base::ListValue& value);
+
+  bool registered_;
+  invalidation::ObjectId object_id_;
+  InvalidationsSet invalidations_;
+};
+
+typedef std::map<invalidation::ObjectId,
+                 UnackedInvalidationStorage,
+                 ObjectIdLessThan> UnackedInvalidationStorageMap;
+
+}  // namespace syncer
+
+#endif  // SYNC_NOTIFIER_UNACKED_INVALIDATION_STORAGE_H_