--method-blocklist should also cover free functions.

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

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "gen/thing.h"
 
 namespace v8 {
 
 class InterfaceOutsideOfBlink {
  public:
@@ skipping 284 matching lines @@
 
 namespace internal {
 
 class InternalClass {
  public:
   static void Method();
 };
 
 }  // namespace internal
 
-// Tests for --idl-methods.  See also
-// MethodsNamedAfterIdlMatcherState::SetupBlacklistForTesting method.
+// Tests for --method-blocklist cmdline parameter.
 class IdlTestClass {
  public:
   static int IdlTestMethodNoParams(char x) { return 123; }
   static int idlTestMethodOneParam(char x) { return 123; }
 
   int idlTestMethodNoParams() { return 123; }
   int IdlTestMethodNoParams(int x) { return 123; }
 
   int IdlTestMethodOneParam() { return 123; }
   int idlTestMethodOneParam(int x) { return 123; }
@@ skipping 19 matching lines @@
 class IdlTemplateClass {
  public:
   int idlTestMethod(T x) { return 123; }
 };
 
 }  // namespace blink
 
 // https://crbug.com/640688 - need to rewrite method name below.
 void blink::ClassDeclaredInsideBlink::MethodDefinedOutsideBlink() {}
 void blink::internal::InternalClass::Method() {}