Rename getBaseClassOffset to getBaseClassOffsetInBits and introduce a getBaseClassOffset which returns the offset in CharUnits. Do the same thing for getVBaseClassOffset.

llvm-svn: 117881
diff --git a/clang/lib/CodeGen/CGRTTI.cpp b/clang/lib/CodeGen/CGRTTI.cpp
index d373b55..2e527d0 100644
--- a/clang/lib/CodeGen/CGRTTI.cpp
+++ b/clang/lib/CodeGen/CGRTTI.cpp
@@ -823,7 +823,7 @@
       OffsetFlags = CGM.getVTables().getVirtualBaseOffsetOffset(RD, BaseDecl);
     else {
       const ASTRecordLayout &Layout = CGM.getContext().getASTRecordLayout(RD);
-      OffsetFlags = Layout.getBaseClassOffset(BaseDecl) / 8;
+      OffsetFlags = Layout.getBaseClassOffsetInBits(BaseDecl) / 8;
     };
     
     OffsetFlags <<= 8;