base: Remove the string logging from CHECK().

components/sync/engine_impl/syncer_util.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 "components/sync/engine_impl/syncer_util.h"
 
 #include <algorithm>
 
 #include "base/base64.h"
 #include "base/location.h"
@@ skipping 454 matching lines @@
   entry->PutMtime(entry->GetServerMtime());
   entry->PutBaseVersion(entry->GetServerVersion());
   entry->PutIsDel(entry->GetServerIsDel());
   entry->PutIsUnappliedUpdate(false);
   entry->PutAttachmentMetadata(entry->GetServerAttachmentMetadata());
 }
 
 VerifyCommitResult ValidateCommitEntry(syncable::Entry* entry) {
   syncable::Id id = entry->GetId();
   if (id == entry->GetParentId()) {
-    CHECK(id.IsRoot()) << "Non-root item is self parenting." << *entry;
+    // Non-root item is self parenting.
+    CHECK(id.IsRoot());
     // If the root becomes unsynced it can cause us problems.
     LOG(ERROR) << "Root item became unsynced " << *entry;
     return VERIFY_UNSYNCABLE;
   }
   if (entry->IsRoot()) {
     LOG(ERROR) << "Permanent item became unsynced " << *entry;
     return VERIFY_UNSYNCABLE;
   }
   if (entry->GetIsDel() && !entry->GetId().ServerKnows()) {
     // Drop deleted uncommitted entries.
@@ skipping 156 matching lines @@
   if (update.version() < target->GetServerVersion()) {
     LOG(WARNING) << "Update older than current server version for " << *target
                  << " Update:"
                  << SyncerProtoUtil::SyncEntityDebugString(update);
     return VERIFY_SUCCESS;  // Expected in new sync protocol.
   }
   return VERIFY_UNDECIDED;
 }
 
 }  // namespace syncer