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/CodeGenModule.h b/lib/CodeGen/CodeGenModule.h
index c2f9570..1f49802 100644
--- a/lib/CodeGen/CodeGenModule.h
+++ b/lib/CodeGen/CodeGenModule.h
@@ -519,7 +519,9 @@
  
   CodeGenVTables &getVTables() { return VTables; }
 
-  VTableContext &getVTableContext() { return VTables.getVTableContext(); }
+  ItaniumVTableContext &getVTableContext() {
+    return VTables.getVTableContext();
+  }
 
   MicrosoftVFTableContext &getVFTableContext() {
     return VTables.getVFTableContext();