Move some sync/notifier to components/invalidation

sync/internal_api/public/base/invalidator_state.cc

Index: sync/internal_api/public/base/invalidator_state.cc
diff --git a/sync/internal_api/public/base/invalidator_state.cc b/sync/internal_api/public/base/invalidator_state.cc
new file mode 100644
index 0000000000000000000000000000000000000000..3c3ab61cc0abe3b7df0f7109540b90ea533586fd
--- /dev/null
+++ b/sync/internal_api/public/base/invalidator_state.cc
@@ -0,0 +1,25 @@
+// 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/invalidator_state.h"
+
+#include "base/logging.h"
+
+namespace syncer {
+
+const char* InvalidatorStateToString(InvalidatorState state) {
+  switch (state) {
+    case TRANSIENT_INVALIDATION_ERROR:
+      return "TRANSIENT_INVALIDATION_ERROR";
+    case INVALIDATION_CREDENTIALS_REJECTED:
+      return "INVALIDATION_CREDENTIALS_REJECTED";
+    case INVALIDATIONS_ENABLED:
+      return "INVALIDATIONS_ENABLED";
+    default:
+      NOTREACHED();
+      return "UNKNOWN_INVALIDATOR_STATE";
+  }
+}
+
+}  // namespace syncer