sync: Define histogram ints for model types

chrome/browser/sync/glue/bookmark_model_associator.cc

 // Copyright 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 "chrome/browser/sync/glue/bookmark_model_associator.h"
 
 #include <stack>
 
 #include "base/bind.h"
 #include "base/command_line.h"
@@ skipping 688 matching lines @@
 
 void BookmarkModelAssociator::CheckModelSyncState() const {
   std::string version_str;
   if (bookmark_model_->root_node()->GetMetaInfo(kBookmarkTransactionVersionKey,
                                                 &version_str)) {
     syncer::ReadTransaction trans(FROM_HERE, user_share_);
     int64 native_version;
     if (base::StringToInt64(version_str, &native_version) &&
         native_version != trans.GetModelVersion(syncer::BOOKMARKS)) {
       UMA_HISTOGRAM_ENUMERATION("Sync.LocalModelOutOfSync",
-                                syncer::BOOKMARKS, syncer::MODEL_TYPE_COUNT);
+                                ModelTypeToHistogramInt(syncer::BOOKMARKS),
+                                syncer::MODEL_TYPE_COUNT);
       // Clear version on bookmark model so that we only report error once.
       bookmark_model_->DeleteNodeMetaInfo(bookmark_model_->root_node(),
                                           kBookmarkTransactionVersionKey);
     }
   }
 }
 
 }  // namespace browser_sync