Fix compiling of sync on linux.

chrome/browser/sync/engine/syncer_proto_util.cc

 // Copyright (c) 2006-2008 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 "chrome/browser/sync/engine/syncer_proto_util.h"
 
 #include "chrome/browser/sync/engine/net/server_connection_manager.h"
 #include "chrome/browser/sync/engine/syncer.h"
 #include "chrome/browser/sync/engine/syncer_util.h"
 #include "chrome/browser/sync/protocol/service_constants.h"
@@ skipping 143 matching lines @@
         break;
       case ClientToServerResponse::NOT_MY_BIRTHDAY:
         LOG(WARNING) << "Not my birthday return.";
         rv = false;
         break;
       case ClientToServerResponse::THROTTLED:
         LOG(WARNING) << "Client silenced by server.";
         session->set_silenced_until(time(0) + kSyncDelayAfterThrottled);
         rv = false;
         break;
+      default:
+        NOTREACHED();
+        break;
     }
 
   } else if (session->connection_manager()->IsServerReachable()) {
     status.TallyNewError();
   }
   return rv;
 }
 
 // static
 bool SyncerProtoUtil::Compare(const syncable::Entry& local_entry,
@@ skipping 89 matching lines @@
   if (entry.has_non_unique_name()) {
     AppendUTF8ToPathString(entry.non_unique_name(),
                            &result.non_unique_value());
   } else {
     result.non_unique_value() = result.value();
   }
   return result;
 }
 
 }  // namespace browser_sync