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

chrome/browser/sync/glue/model_associator_mock.h

Index: chrome/browser/sync/glue/model_associator_mock.h
diff --git a/chrome/browser/sync/glue/model_associator_mock.h b/chrome/browser/sync/glue/model_associator_mock.h
index 620823352ed070a45910472726f743c87b41cd61..696ff25cc7567418be79ef376f430403ebced3c2 100644
--- a/chrome/browser/sync/glue/model_associator_mock.h
+++ b/chrome/browser/sync/glue/model_associator_mock.h
@@ -22,8 +22,8 @@ class ModelAssociatorMock : public AssociatorInterface {
   ModelAssociatorMock();
   virtual ~ModelAssociatorMock();
 
-  MOCK_METHOD1(AssociateModels, bool(SyncError* error));
-  MOCK_METHOD1(DisassociateModels, bool(SyncError* error));
+  MOCK_METHOD0(AssociateModels, SyncError());
+  MOCK_METHOD0(DisassociateModels, SyncError());
   MOCK_METHOD1(SyncModelHasUserCreatedNodes, bool(bool* has_nodes));
   MOCK_METHOD0(AbortAssociation, void());
   MOCK_METHOD0(CryptoReadyIfNecessary, bool());