Revert of Move some sync/notifier to components/invalidation

sync/notifier/invalidator_state.cc

Index: sync/notifier/invalidator_state.cc
diff --git a/sync/notifier/invalidator_state.cc b/sync/notifier/invalidator_state.cc
new file mode 100644
index 0000000000000000000000000000000000000000..0e19222d23967afc1ed4825199e3cdf7b9938e5d
--- /dev/null
+++ b/sync/notifier/invalidator_state.cc
@@ -0,0 +1,55 @@
+// 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/notifier/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";
+  }
+}
+
+InvalidatorState FromNotifierReason(
+    notifier::NotificationsDisabledReason reason) {
+  switch (reason) {
+    case notifier::NO_NOTIFICATION_ERROR:
+      return INVALIDATIONS_ENABLED;
+    case notifier::TRANSIENT_NOTIFICATION_ERROR:
+      return TRANSIENT_INVALIDATION_ERROR;
+    case notifier::NOTIFICATION_CREDENTIALS_REJECTED:
+      return INVALIDATION_CREDENTIALS_REJECTED;
+    default:
+      NOTREACHED();
+      return DEFAULT_INVALIDATION_ERROR;
+  }
+}
+
+notifier::NotificationsDisabledReason ToNotifierReasonForTest(
+    InvalidatorState state) {
+  switch (state) {
+    case TRANSIENT_INVALIDATION_ERROR:
+      return notifier::TRANSIENT_NOTIFICATION_ERROR;
+    case INVALIDATION_CREDENTIALS_REJECTED:
+      return notifier::NOTIFICATION_CREDENTIALS_REJECTED;
+    case INVALIDATIONS_ENABLED:
+      // Fall through.
+    default:
+      NOTREACHED();
+      return notifier::TRANSIENT_NOTIFICATION_ERROR;
+  }
+}
+
+}  // namespace syncer