value_cleanup: Rewrite more base::ListValue::Append(base::Value*) calls.

tools/clang/value_cleanup/ListValueRewriter.h

 // Copyright 2016 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.
 //
 // Handles various rewrites for base::ListValue::Append().
 
 #ifndef TOOLS_CLANG_VALUE_CLEANUP_LIST_VALUE_REWRITER_H_
 #define TOOLS_CLANG_VALUE_CLEANUP_LIST_VALUE_REWRITER_H_
 
 #include <memory>
+#include <unordered_set>
 
 #include "clang/ASTMatchers/ASTMatchFinder.h"
 #include "clang/Tooling/Refactoring.h"
 
 class ListValueRewriter {
  public:
   explicit ListValueRewriter(clang::tooling::Replacements* replacements);
 
   void RegisterMatchers(clang::ast_matchers::MatchFinder* match_finder);
 
@@ skipping 44 matching lines @@
 
   class AppendReleasedUniquePtrCallback
       : public clang::ast_matchers::MatchFinder::MatchCallback {
    public:
     explicit AppendReleasedUniquePtrCallback(
         clang::tooling::Replacements* replacements);
 
     void run(
         const clang::ast_matchers::MatchFinder::MatchResult& result) override;
 
-   protected:
+   private:
     clang::tooling::Replacements* const replacements_;
   };
 
+  class AppendRawPtrCallback
+      : public clang::ast_matchers::MatchFinder::MatchCallback {
+   public:
+    explicit AppendRawPtrCallback(clang::tooling::Replacements* replacements);
+
+    void run(
+        const clang::ast_matchers::MatchFinder::MatchResult& result) override;
+
+   private:
+    clang::tooling::Replacements* const replacements_;
+    std::unordered_set<const clang::VarDecl*> visited_;
+  };
+
   AppendBooleanCallback append_boolean_callback_;
   AppendIntegerCallback append_integer_callback_;
   AppendDoubleCallback append_double_callback_;
   AppendStringCallback append_string_callback_;
   AppendReleasedUniquePtrCallback append_released_unique_ptr_callback_;
+  AppendRawPtrCallback append_raw_ptr_callback_;
 };
 
 #endif  // TOOLS_CLANG_VALUE_CLEANUP_LIST_VALUE_REWRITER_H_