[Sync] Rework Invalidator-related unit tests

sync/internal_api/public/base/invalidation_state.cc

Index: sync/internal_api/public/base/invalidation_state.cc
diff --git a/sync/internal_api/public/base/invalidation_state.cc b/sync/internal_api/public/base/invalidation_state.cc
new file mode 100644
index 0000000000000000000000000000000000000000..d64cbf03f720b119ac81ad6d9d4f64993339cb9e
--- /dev/null
+++ b/sync/internal_api/public/base/invalidation_state.cc
@@ -0,0 +1,42 @@
+// 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/internal_api/public/base/invalidation_state.h"
+
+#include "base/values.h"
+
+namespace syncer {
+
+bool AckHandle::Equals(const AckHandle& other) const {
+  return true;
+}
+
+base::Value* AckHandle::ToValue() const {
+  return new DictionaryValue();
+}
+
+bool AckHandle::ResetFromValue(const base::Value& value) {
+  return true;
+}
+
+bool InvalidationState::Equals(const InvalidationState& other) const {
+  return (payload == other.payload) && ack_handle.Equals(other.ack_handle);
+}
+
+base::DictionaryValue* InvalidationState::ToValue() const {
+  DictionaryValue* value = new DictionaryValue();
+  value->SetString("payload", payload);
+  value->Set("ackHandle", ack_handle.ToValue());
+  return value;
+}
+
+bool InvalidationState::ResetFromValue(const base::DictionaryValue& value) {
+  const base::Value* ack_handle_value = NULL;
+  return
+      value.GetString("payload", &payload) &&
+      value.Get("ackHandle", &ack_handle_value) &&
+      ack_handle.ResetFromValue(*ack_handle_value);
+}
+
+}  // namespace syncer