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

chrome/browser/sync/glue/data_type_controller.cc

Index: chrome/browser/sync/glue/data_type_controller.cc
diff --git a/chrome/browser/sync/glue/data_type_controller.cc b/chrome/browser/sync/glue/data_type_controller.cc
index 0eb5ec6f343ab7ef689178ede0145576d11abb1f..9014ece073505d048dc423f2c6edeb8520448256 100644
--- a/chrome/browser/sync/glue/data_type_controller.cc
+++ b/chrome/browser/sync/glue/data_type_controller.cc
@@ -10,7 +10,7 @@
 namespace browser_sync {
 
 bool DataTypeController::IsUnrecoverableResult(StartResult result) {
-  return (result == ASSOCIATION_FAILED || result == UNRECOVERABLE_ERROR);
+  return (result == UNRECOVERABLE_ERROR);
 }
 
 void DataTypeController::RecordUnrecoverableError(
@@ -25,4 +25,12 @@ void DataTypeController::RecordUnrecoverableError(
   ChromeReportUnrecoverableError();
 }
 
+SyncError DataTypeController::CreateAndUploadError(
+    const tracked_objects::Location& location,
+    const std::string& message,
+    syncable::ModelType type) {
+  ChromeReportUnrecoverableError();
+  return SyncError(location, message, type);
 }
+
+}  // namespace browser_sync