A few implementations of Render() contain const-casts nested within its
their call hierarchy to get around the fact that this function is marked
const. We can just make the member function non-const to allow removal
of these casts in follow up changes.
Normalizes the headers for the cpp files in the RuntimeCommon target.
Now all headers and source files within the RuntimeCommon/RuntimeCommonB
targets are normalized and consistent with one another.