ArrayRef-ize some ctor initializer related APIs

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@172701 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Parse/ParseDeclCXX.cpp b/lib/Parse/ParseDeclCXX.cpp
index d78cc51..cc33185 100644
--- a/lib/Parse/ParseDeclCXX.cpp
+++ b/lib/Parse/ParseDeclCXX.cpp
@@ -2675,8 +2675,7 @@
     }
   } while (true);
 
-  Actions.ActOnMemInitializers(ConstructorDecl, ColonLoc,
-                               MemInitializers.data(), MemInitializers.size(),
+  Actions.ActOnMemInitializers(ConstructorDecl, ColonLoc, MemInitializers,
                                AnyErrors);
 }