Explode Autofill sync error messages for debugging

chrome/browser/webdata/autofill_profile_syncable_service.cc

 // Copyright (c) 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/webdata/autofill_profile_syncable_service.h"
 
 #include "base/location.h"
 #include "base/logging.h"
 #include "base/utf_string_conversions.h"
 #include "chrome/browser/autofill/autofill_profile.h"
@@ skipping 440 matching lines @@
       new_changes.push_back(SyncChange(SyncChange::ACTION_DELETE,
                                        CreateData(empty_profile)));
       profiles_map_.erase(change.key());
       break;
     }
     default:
       NOTREACHED();
   }
   SyncError error = sync_processor_->ProcessSyncChanges(FROM_HERE, new_changes);
   if (error.IsSet()) {
-    DLOG(WARNING) << "[AUTOFILL SYNC]"
-                  << " Failed processing change:"
-                  << " Error:" << error.message()
-                  << " Guid:" << change.key();
+    // TODO(isherman): Investigating http://crbug.com/121592
+    VLOG(1) << "[AUTOFILL SYNC] "
+            << "Failed processing change:\n"
+            << "  Error: " << error.message() << "\n"
+            << "  Guid: " << change.key();
   }
 }
 
 SyncData AutofillProfileSyncableService::CreateData(
     const AutofillProfile& profile) {
   sync_pb::EntitySpecifics specifics;
   WriteAutofillProfile(profile, &specifics);
   return SyncData::CreateLocalData(profile.guid(), profile.guid(), specifics);
 }
 
@@ skipping 40 matching lines @@
 }
 
 AutofillTable* AutofillProfileSyncableService::GetAutofillTable() const {
   return web_data_service_->GetDatabase()->GetAutofillTable();
 }
 
 AutofillProfileSyncableService::DataBundle::DataBundle() {}
 
 AutofillProfileSyncableService::DataBundle::~DataBundle() {
 }