Make DTCs implement the UnrecoverableErrorHandler interface so they can be

notified when model association fails.

BUG=36824
TEST=unit test

Review URL: http://codereview.chromium.org/660148

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@40469 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 23 insertions, 0 deletions

diff --git a/chrome/browser/sync/unrecoverable_error_handler.h b/chrome/browser/sync/unrecoverable_error_handler.h
new file mode 100644
index 0000000..2bad8c5
--- /dev/null
+++ b/chrome/browser/sync/unrecoverable_error_handler.h
@@ -0,0 +1,23 @@
+// Copyright (c) 2010 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 CHROME_BROWSER_SYNC_UNRECOVERABLE_ERROR_HANDLER_H_
+#define CHROME_BROWSER_SYNC_UNRECOVERABLE_ERROR_HANDLER_H_
+
+namespace browser_sync {
+
+class UnrecoverableErrorHandler {
+ public:
+  // Call this when normal operation detects that the chrome model and the
+  // syncer model are inconsistent, or similar.  The ProfileSyncService will
+  // try to avoid doing any work to avoid crashing or corrupting things
+  // further, and will report an error status if queried.
+  virtual void OnUnrecoverableError() = 0;
+ protected:
+  virtual ~UnrecoverableErrorHandler() { }
+};
+
+}
+
+#endif  // CHROME_BROWSER_SYNC_UNRECOVERABLE_ERROR_HANDLER_H_