Use platform-appropriate newlines in JSON output

base/json_writer.cc

 // Copyright (c) 2006-2008 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_writer.h"
 
 #include "base/logging.h"
 #include "base/string_util.h"
 #include "base/values.h"
 #include "base/string_escape.h"
 
-const char kPrettyPrintLineEnding[] = "\r\n";
+#if defined(OS_WIN)
+static const char kPrettyPrintLineEnding[] = "\r\n";
+#else
+static const char kPrettyPrintLineEnding[] = "\n";
+#endif
 
 /* static */
 void JSONWriter::Write(const Value* const node,
                        bool pretty_print,
                        std::string* json) {
   WriteWithOptionalEscape(node, pretty_print, true, json);
 }
 
 /* static */
 void JSONWriter::WriteWithOptionalEscape(const Value* const node,
@@ skipping 161 matching lines @@
   string_escape::JsonDoubleQuote(WideToUTF16Hack(str),
                                  true,
                                  json_string_);
 }
 
 void JSONWriter::IndentLine(int depth) {
   // It may be faster to keep an indent string so we don't have to keep
   // reallocating.
   json_string_->append(std::string(depth * 3, ' '));
 }