Update from https://crrev.com/304121

tools/clang/rewrite_scoped_refptr/RewriteScopedRefptr.cpp

 // Copyright (c) 2013 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.
 //
 // This implements a Clang tool to rewrite all instances of
 // scoped_refptr<T>'s implicit cast to T (operator T*) to an explicit call to
 // the .get() method.
 
 #include <assert.h>
 #include <algorithm>
@@ skipping 401 matching lines @@
       clang::tooling::newFrontendActionFactory(&match_finder);
   int result = tool.run(factory.get());
   if (result != 0)
     return result;
 
   // Serialization format is documented in tools/clang/scripts/run_tool.py
   llvm::outs() << "==== BEGIN EDITS ====\n";
   for (const auto& r : replacements) {
     std::string replacement_text = r.getReplacementText().str();
     std::replace(replacement_text.begin(), replacement_text.end(), '\n', '\0');
-    llvm::outs() << "r:" << r.getFilePath() << ":" << r.getOffset() << ":"
-                 << r.getLength() << ":" << replacement_text << "\n";
+    llvm::outs() << "r:::" << r.getFilePath() << ":::" << r.getOffset() << ":::"
+                 << r.getLength() << ":::" << replacement_text << "\n";
   }
   llvm::outs() << "==== END EDITS ====\n";
 
   return 0;
 }