Avoid calling getImplementation() on the text range object.
Avoid calling getImplementation() on the text range object.

Change-Id: I3d1d4c1e9adebda16c62f4e14bd5aca14e058605

JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core