Store distilled URL during distillation in Reading List on iOS

ios/chrome/browser/dom_distiller/distiller_viewer.cc

 // Copyright 2015 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 "ios/chrome/browser/dom_distiller/distiller_viewer.h"
 
 #include <string>
 #include <utility>
 
 #include "components/dom_distiller/core/distilled_page_prefs.h"
 #include "components/dom_distiller/core/dom_distiller_request_view_base.h"
 #include "components/dom_distiller/core/dom_distiller_service.h"
 #include "components/dom_distiller/core/proto/distilled_article.pb.h"
 #include "components/dom_distiller/core/task_tracker.h"
 #include "components/dom_distiller/core/viewer.h"
 #include "ui/gfx/geometry/size.h"
 
 namespace dom_distiller {
 
 DistillerViewer::DistillerViewer(
     dom_distiller::DomDistillerService* distillerService,
     PrefService* prefs,
     const GURL& url,
     const DistillationFinishedCallback& callback,
-    const DistillerPageFactory* factory)
+    std::unique_ptr<dom_distiller::DistillerPage> page)
     : DistillerViewerInterface(distillerService, prefs),
       url_(url),
       callback_(callback) {
   DCHECK(distillerService);
   DCHECK(url.is_valid());
-  std::unique_ptr<DistillerPage> page =
-      factory ? factory->CreateDistillerPage(gfx::Size())
-              : distillerService->CreateDefaultDistillerPage(gfx::Size());
+  if (!page) {
+    page = distillerService->CreateDefaultDistillerPage(gfx::Size());
+  }
+
   std::unique_ptr<ViewerHandle> viewer_handle =
       distillerService->ViewUrl(this, std::move(page), url);
 
   TakeViewerHandle(std::move(viewer_handle));
 }
 
 DistillerViewer::~DistillerViewer() {}
 
 void DistillerViewer::OnArticleReady(
     const dom_distiller::DistilledArticleProto* article_proto) {
@@ skipping 17 matching lines @@
   } else {
     callback_.Run(url_, std::string(), {}, std::string());
   }
 }
 
 void DistillerViewer::SendJavaScript(const std::string& buffer) {
   js_buffer_ += buffer;
 }
 
 }  // namespace dom_distiller