Replace frame-src with child-src in WebUI CSP

components/dom_distiller/content/browser/dom_distiller_viewer_source.h

 // 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.
 
 #ifndef COMPONENTS_DOM_DISTILLER_CONTENT_BROWSER_DOM_DISTILLER_VIEWER_SOURCE_H_
 #define COMPONENTS_DOM_DISTILLER_CONTENT_BROWSER_DOM_DISTILLER_VIEWER_SOURCE_H_
 
 #include <memory>
 #include <string>
 
@@ skipping 24 matching lines @@
   void StartDataRequest(
       const std::string& path,
       int render_process_id,
       int render_frame_id,
       const content::URLDataSource::GotDataCallback& callback) override;
   std::string GetMimeType(const std::string& path) const override;
   bool ShouldServiceRequest(const net::URLRequest* request) const override;
   void WillServiceRequest(const net::URLRequest* request,
                           std::string* path) const override;
   std::string GetContentSecurityPolicyStyleSrc() const override;
-  std::string GetContentSecurityPolicyFrameSrc() const override;
+  std::string GetContentSecurityPolicyChildSrc() const override;
 
  private:
   friend class DomDistillerViewerSourceTest;
 
   // The scheme this URLDataSource is hosted under.
   std::string scheme_;
 
   // The service which contains all the functionality needed to interact with
   // the list of articles.
   DomDistillerServiceInterface* dom_distiller_service_;
 
   // An object for accessing chrome-specific UI controls including external
   // feedback and opening the distiller settings.
   std::unique_ptr<DistillerUIHandle> distiller_ui_handle_;
 
   DISALLOW_COPY_AND_ASSIGN(DomDistillerViewerSource);
 };
 
 }  // namespace dom_distiller
 
 #endif  // COMPONENTS_DOM_DISTILLER_CONTENT_BROWSER_DOM_DISTILLER_VIEWER_SOURCE_H_