Fix compiling of sync on linux.

chrome/browser/sync/engine/process_updates_command.cc

 // Copyright (c) 2006-2009 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/process_updates_command.h"
 
 #include <vector>
 
 #include "base/basictypes.h"
 #include "chrome/browser/sync/engine/syncer.h"
@@ skipping 74 matching lines @@
     if (it->first != VERIFY_SUCCESS && it->first != VERIFY_UNDELETE)
       continue;
     switch (ProcessUpdate(dir, update)) {
       case SUCCESS_PROCESSED:
       case SUCCESS_STORED:
         // We can update the timestamp because we store the update even if we
         // can't apply it now.
         if (update.sync_timestamp() > new_timestamp)
           new_timestamp = update.sync_timestamp();
         break;
+      default:
+        NOTREACHED();
+        break;
     }
 
   }
 
   if (latest_skip_timestamp > new_timestamp)
     new_timestamp = latest_skip_timestamp;
 
   if (new_timestamp > dir->last_sync_timestamp()) {
     dir->set_last_sync_timestamp(new_timestamp);
     session->set_timestamp_dirty();
@@ skipping 51 matching lines @@
 
   if (update_entry.Get(SERVER_VERSION) == update_entry.Get(BASE_VERSION) &&
       !update_entry.Get(IS_UNSYNCED)) {
       CHECK(SyncerUtil::ServerAndLocalEntriesMatch(
           &update_entry)) << update_entry;
   }
   return SUCCESS_PROCESSED;
 }
 
 }  // namespace browser_sync