Add the scheme chrome-distiller:// and hook up data source.

content/public/browser/url_data_source.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/public/browser/url_data_source.h"
 
 #include "content/browser/webui/url_data_manager.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/common/url_constants.h"
 #include "net/url_request/url_request.h"
@@ skipping 29 matching lines @@
 std::string URLDataSource::GetContentSecurityPolicyFrameSrc() const {
   return "frame-src 'none';";
 }
 
 bool URLDataSource::ShouldDenyXFrameOptions() const {
   return true;
 }
 
 bool URLDataSource::ShouldServiceRequest(const net::URLRequest* request) const {
   if (request->url().SchemeIs(chrome::kChromeDevToolsScheme) ||
+      request->url().SchemeIs(chrome::kDomDistillerScheme) ||

[nasko, 2014/01/16 23:39:12]

nit: alphabetical order

[nyquist, 2014/01/22 00:47:58]

We override this in the data source, so removed this.

       request->url().SchemeIs(chrome::kChromeUIScheme))
     return true;
   return false;
 }
 
 bool URLDataSource::ShouldServeMimeTypeAsContentTypeHeader() const {
   return false;
 }
 
 }  // namespace content