JSONWriter cleanup: integrate pretty print into write options.

chrome/browser/extensions/app_notification.cc

 // Copyright (c) 2012 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 "chrome/browser/extensions/app_notification.h"
 
 #include "base/json/json_writer.h"
 #include "base/string_number_conversions.h"
 #include "base/memory/scoped_ptr.h"
 #include "chrome/common/guid.h"
@@ skipping 119 matching lines @@
           title_ == other.title_ &&
           body_ == other.body_ &&
           link_url_ == other.link_url_ &&
           link_text_ == other.link_text_);
 }
 
 std::string AppNotification::ToString() const {
   DictionaryValue value;
   ToDictionaryValue(&value);
   std::string result;
-  base::JSONWriter::Write(&value, true, &result);
+  base::JSONWriter::WriteWithOptions(&value,
+                                     base::JSONWriter::OPTIONS_PRETTY_PRINT,
+                                     &result);
   return result;
 }
 
 AppNotificationList* CopyAppNotificationList(
     const AppNotificationList& source) {
   AppNotificationList* copy = new AppNotificationList();
 
   for (AppNotificationList::const_iterator iter = source.begin();
       iter != source.end(); ++iter) {
     copy->push_back(linked_ptr<AppNotification>(iter->get()->Copy()));
   }
   return copy;
 }