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.h b/lib/CodeGen/CGVTables.h
index e17ad89..7c94a07 100644
--- a/lib/CodeGen/CGVTables.h
+++ b/lib/CodeGen/CGVTables.h
@@ -33,7 +33,7 @@
 
   // FIXME: Consider moving VTContext and VFTContext into respective CXXABI
   // classes?
-  VTableContext VTContext;
+  ItaniumVTableContext VTContext;
   OwningPtr<MicrosoftVFTableContext> VFTContext;
   
   /// VTableAddressPointsMapTy - Address points for a single vtable.
@@ -72,7 +72,7 @@
 
   CodeGenVTables(CodeGenModule &CGM);
 
-  VTableContext &getVTableContext() { return VTContext; }
+  ItaniumVTableContext &getVTableContext() { return VTContext; }
 
   MicrosoftVFTableContext &getVFTableContext() { return *VFTContext.get(); }