Implement features needed for local ack handling in InvalidationStateTracker.

sync/tools/null_invalidation_state_tracker.cc

Index: sync/tools/null_invalidation_state_tracker.cc
diff --git a/sync/tools/null_invalidation_state_tracker.cc b/sync/tools/null_invalidation_state_tracker.cc
new file mode 100644
index 0000000000000000000000000000000000000000..5eb5f788cb2fd290183f272b942468e2ac3da9bd
--- /dev/null
+++ b/sync/tools/null_invalidation_state_tracker.cc
@@ -0,0 +1,66 @@
+// 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 "sync/tools/null_invalidation_state_tracker.h"
+
+#include "base/base64.h"
+#include "base/bind.h"
+#include "base/callback.h"
+#include "base/location.h"
+#include "base/logging.h"
+#include "base/task_runner.h"
+#include "sync/notifier/invalidation_util.h"
+
+namespace syncer {
+
+NullInvalidationStateTracker::NullInvalidationStateTracker() {}
+NullInvalidationStateTracker::~NullInvalidationStateTracker() {}
+
+InvalidationStateMap
+NullInvalidationStateTracker::GetAllInvalidationStates() const {
+  return InvalidationStateMap();
+}
+
+void NullInvalidationStateTracker::SetMaxVersionAndPayload(
+    const invalidation::ObjectId& id,
+    int64 max_invalidation_version,
+    const std::string& payload) {
+  LOG(INFO) << "Setting max invalidation version for "
+          << ObjectIdToString(id) << " to " << max_invalidation_version
+          << " with payload " << payload;
+}
+
+void NullInvalidationStateTracker::Forget(const ObjectIdSet& ids) {
+  for (ObjectIdSet::const_iterator it = ids.begin(); it != ids.end(); ++it) {
+    LOG(INFO) << "Forgetting invalidation state for " << ObjectIdToString(*it);
+  }
+}
+
+std::string NullInvalidationStateTracker::GetBootstrapData() const {
+  return std::string();
+}
+
+void NullInvalidationStateTracker::SetBootstrapData(const std::string& data) {
+  std::string base64_data;
+  CHECK(base::Base64Encode(data, &base64_data));
+  LOG(INFO) << "Setting bootstrap data to: " << base64_data;
+}
+
+void NullInvalidationStateTracker::GenerateAckHandles(
+    const ObjectIdSet& ids,
+    const scoped_refptr<base::TaskRunner>& task_runner,
+    base::Callback<void(const AckHandleMap&)> callback) {
+  AckHandleMap ack_handles;
+  for (ObjectIdSet::const_iterator it = ids.begin(); it != ids.end(); ++it) {
+    ack_handles.insert(std::make_pair(*it, AckHandle::InvalidAckHandle()));
+  }
+  CHECK(task_runner->PostTask(FROM_HERE, base::Bind(callback, ack_handles)));
+}
+
+void NullInvalidationStateTracker::Acknowledge(const invalidation::ObjectId& id,
+                                               const AckHandle& ack_handle) {
+  LOG(INFO) << "Received ack for " << ObjectIdToString(id);
+}
+
+}  // namespace syncer