Handling of UnresolvedUsingValueDecl nodes.

tools/clang/rewrite_to_chrome_style/tests/template-expected.cc

Index: tools/clang/rewrite_to_chrome_style/tests/template-expected.cc
diff --git a/tools/clang/rewrite_to_chrome_style/tests/template-expected.cc b/tools/clang/rewrite_to_chrome_style/tests/template-expected.cc
index c9a1fe8d4cb85257ff2f9df69854915c25b7d1f0..a7f42051912159954aa9badeaa837a09954e55a9 100644
--- a/tools/clang/rewrite_to_chrome_style/tests/template-expected.cc
+++ b/tools/clang/rewrite_to_chrome_style/tests/template-expected.cc
@@ -119,6 +119,25 @@ void Test() {
 
 }  // test_template_arg_is_method_template_in_non_member_context
 
+namespace test_inherited_field {
+
+template <typename T>
+class BaseClass {
+ public:
+  unsigned long size_;
+};
+
+template <typename T>
+class DerivedClass : protected BaseClass<T> {
+ private:
+  using Base = BaseClass<T>;
+  // https://crbug.com/640016: Need to rewrite |m_size| into |size_|.
+  using Base::size_;
+  void Method() { size_ = 123; }
+};
+
+}  // namespace test_inherited_field
+
 namespace test_template_arg_is_method_template_in_member_context {
 
 struct Class {