run iwyu on base!

base/json/json_reader.cc

 // Copyright (c) 2010 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 "base/json/json_reader.h"
+#include <stddef.h>
+#include <string>
 
 #include "base/float_util.h"
+#include "base/json/json_reader.h"
 #include "base/logging.h"
 #include "base/scoped_ptr.h"
 #include "base/string_number_conversions.h"
+#include "base/string_piece.h"
 #include "base/string_util.h"
+#include "base/stringprintf.h"
 #include "base/utf_string_conversions.h"
 #include "base/values.h"
 
 namespace base {
 
 static const JSONReader::Token kInvalidToken(JSONReader::Token::INVALID_TOKEN,
                                              0, 0);
 static const int kStackLimit = 100;
 
 namespace {
@@ skipping 642 matching lines @@
       ++column_number;
     }
   }
 
   error_line_ = line_number;
   error_col_ = column_number;
   error_code_ = error;
 }
 
 }  // namespace base