Skip parameter replacements where old text != old name.

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 c481a68ed4b16e30fdbf573f6dd7cfa1f3291a2c..c9a1fe8d4cb85257ff2f9df69854915c25b7d1f0 100644
--- a/tools/clang/rewrite_to_chrome_style/tests/template-expected.cc
+++ b/tools/clang/rewrite_to_chrome_style/tests/template-expected.cc
@@ -140,4 +140,25 @@ struct Class2 {
 
 }  // namespace test_template_arg_is_method_template_in_member_context
 
+namespace test_unnamed_arg {
+
+template <typename T>
+class Class {
+ public:
+  // Test for https://crbug.com/598141 - shouldn't rewrite
+  //    ...int);
+  // into
+  //    ...intdata_size;
+  void F(int);
+};
+
+template <typename T>
+void Class<T>::F(int data_size){};
+
+void Foo() {
+  Class<char>().F(123);
+};
+
+}  // namespace test_unnamed_arg
+
 }  // namespace blink