Remove old template html boilerplate

content/browser/accessibility/accessibility_ui.cc

 // 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.
 
 #include "content/browser/accessibility/accessibility_ui.h"
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/json/json_writer.h"
 #include "base/strings/string_number_conversions.h"
@@ skipping 116 matching lines @@
   callback.Run(base::RefCountedString::TakeString(&json_string));
   return true;
 }
 
 }  // namespace
 
 AccessibilityUI::AccessibilityUI(WebUI* web_ui) : WebUIController(web_ui) {
   // Set up the chrome://accessibility source.
   WebUIDataSource* html_source =
       WebUIDataSource::Create(kChromeUIAccessibilityHost);
-  html_source->SetUseJsonJSFormatV2();
 
   web_ui->RegisterMessageCallback(
       "toggleAccessibility",
       base::Bind(&AccessibilityUI::ToggleAccessibility,
                  base::Unretained(this)));
   web_ui->RegisterMessageCallback(
       "toggleGlobalAccessibility",
       base::Bind(&AccessibilityUI::ToggleGlobalAccessibility,
                  base::Unretained(this)));
   web_ui->RegisterMessageCallback(
@@ skipping 85 matching lines @@
   formatter->SetFilters(filters);
   formatter->FormatAccessibilityTree(&accessibility_contents_utf16);
 
   result->Set("tree",
               new base::StringValue(
                   base::UTF16ToUTF8(accessibility_contents_utf16)));
   web_ui()->CallJavascriptFunction("accessibility.showTree", *(result.get()));
 }
 
 }  // namespace content