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

chrome/browser/sync/glue/change_processor_mock.h

Index: chrome/browser/sync/glue/change_processor_mock.h
diff --git a/chrome/browser/sync/glue/change_processor_mock.h b/chrome/browser/sync/glue/change_processor_mock.h
index b1a36b225a4f73cd01b4d7d67d320a6ac1b4332b..b022dea6629ba5092a18a230d840ec4ee4dc5a3b 100644
--- a/chrome/browser/sync/glue/change_processor_mock.h
+++ b/chrome/browser/sync/glue/change_processor_mock.h
@@ -7,6 +7,7 @@
 #pragma once
 
 #include "chrome/browser/sync/glue/change_processor.h"
+#include "sync/syncable/model_type.h"
 #include "sync/syncable/syncable.h"
 #include "sync/util/unrecoverable_error_handler.h"
 #include "testing/gmock/include/gmock/gmock.h"
@@ -30,6 +31,10 @@ class ChangeProcessorMock
   MOCK_METHOD2(OnSingleDatatypeUnrecoverableError,
                      void(const tracked_objects::Location&,
                           const std::string&));
+  MOCK_METHOD3(CreateAndUploadError,
+                   SyncError(const tracked_objects::Location&,
+                             const std::string&,
+                             syncable::ModelType));
 
 };