JSONWriter cleanup: integrate pretty print into write options.

chrome/browser/download/download_extension_api.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/download/download_extension_api.h"
 
 #include <algorithm>
 #include <cctype>
 #include <iterator>
 #include <set>
@@ skipping 1048 matching lines @@
     DownloadManager* manager) {
   manager_->RemoveObserver(this);
   manager_ = NULL;
 }
 
 void ExtensionDownloadsEventRouter::DispatchEvent(
     const char* event_name, base::Value* arg) {
   ListValue args;
   args.Append(arg);
   std::string json_args;
-  base::JSONWriter::Write(&args, false, &json_args);
+  base::JSONWriter::Write(&args, &json_args);
   profile_->GetExtensionEventRouter()->DispatchEventToRenderers(
       event_name,
       json_args,
       profile_,
       GURL());
 }