[Sync] - Upload the callstacks for errors so that the line number of error is in callstack.

chrome/browser/sync/glue/password_change_processor.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/sync/glue/password_change_processor.h"
 
 #include <string>
 
 #include "base/location.h"
 #include "base/string_util.h"
@@ skipping 203 matching lines @@
     }
   }
 }
 
 void PasswordChangeProcessor::CommitChangesFromSyncModel() {
   DCHECK(expected_loop_ == MessageLoop::current());
   if (!running())
     return;
   ScopedStopObserving<PasswordChangeProcessor> stop_observing(this);
 
-  if (!model_associator_->WriteToPasswordStore(&new_passwords_,
-                                               &updated_passwords_,
-                                               &deleted_passwords_)) {
+  SyncError error = model_associator_->WriteToPasswordStore(
+      &new_passwords_,
+      &updated_passwords_,
+      &deleted_passwords_);
+  if (error.IsSet()) {
     error_handler()->OnSingleDatatypeUnrecoverableError(FROM_HERE,
         "Error writing passwords");
     return;
   }
 
   deleted_passwords_.clear();
   new_passwords_.clear();
   updated_passwords_.clear();
 }
 
@@ skipping 17 matching lines @@
 
 void PasswordChangeProcessor::StopObserving() {
   DCHECK(expected_loop_ == MessageLoop::current());
   notification_registrar_.Remove(
       this,
       chrome::NOTIFICATION_LOGINS_CHANGED,
       content::Source<PasswordStore>(password_store_));
 }
 
 }  // namespace browser_sync