Code cleanup: rename VTableContext to ItaniumVTableContext, VTableBuilder to ItaniumVTableBuilder and clang-format code around

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@192288 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/CGVTables.cpp b/lib/CodeGen/CGVTables.cpp
index 5ede565..d530016 100644
--- a/lib/CodeGen/CGVTables.cpp
+++ b/lib/CodeGen/CGVTables.cpp
@@ -496,7 +496,7 @@
   if (isa<CXXDestructorDecl>(MD) && GD.getDtorType() == Dtor_Base)
     return;
 
-  const VTableContext::ThunkInfoVectorTy *ThunkInfoVector;
+  const VTableContextBase::ThunkInfoVectorTy *ThunkInfoVector;
   if (VFTContext.isValid()) {
     ThunkInfoVector = VFTContext->getThunkInfo(GD);
   } else {