Fix compiling of sync on linux.

chrome/browser/sync/engine/update_applicator.cc

 // Copyright (c) 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/update_applicator.h"
 
 #include <vector>
 
 #include "base/logging.h"
 #include "chrome/browser/sync/engine/syncer_util.h"
@@ skipping 43 matching lines @@
       successful_ids_.push_back(entry.Get(syncable::ID));
       break;
     case CONFLICT:
       pointer_++;
       conflicting_ids_.push_back(entry.Get(syncable::ID));
       break;
     case BLOCKED:
       pointer_++;
       blocked_ids_.push_back(entry.Get(syncable::ID));
       break;
+    default:
+      NOTREACHED();
+      break;
   }
   LOG(INFO) << "Apply Status for " << entry.Get(syncable::META_HANDLE)
             << " is " << updateResponse;
 
   return true;
 }
 
 bool UpdateApplicator::AllUpdatesApplied() const {
   return conflicting_ids_.empty() && blocked_ids_.empty() &&
          begin_ == end_;
@@ skipping 15 matching lines @@
     session_->AddAppliedUpdate(BLOCKED, *i);
   }
   for (i = successful_ids_.begin(); i != successful_ids_.end(); ++i) {
     session_->EraseCommitConflict(*i);
     session_->EraseBlockedItem(*i);
     session_->AddAppliedUpdate(SUCCESS, *i);
   }
 }
 
 }  // namespace browser_sync