Replace frame-src with child-src in WebUI CSP

components/dom_distiller/content/browser/dom_distiller_viewer_source.cc

 // Copyright 2014 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 "components/dom_distiller/content/browser/dom_distiller_viewer_source.h"
 
 #include <memory>
 #include <string>
 #include <utility>
 #include <vector>
@@ skipping 267 matching lines @@
 void DomDistillerViewerSource::WillServiceRequest(
     const net::URLRequest* request,
     std::string* path) const {
 }
 
 std::string DomDistillerViewerSource::GetContentSecurityPolicyStyleSrc()
     const {
   return "style-src 'self' https://fonts.googleapis.com;";
 }
 
-std::string DomDistillerViewerSource::GetContentSecurityPolicyFrameSrc() const {
-  return "frame-src *;";
+std::string DomDistillerViewerSource::GetContentSecurityPolicyChildSrc() const {
+  return "child-src *;";
 }
 
 }  // namespace dom_distiller