Reading List iOS: Handle multiple pages.

ios/chrome/browser/reading_list/reading_list_distiller_page.h

Index: ios/chrome/browser/reading_list/reading_list_distiller_page.h
diff --git a/ios/chrome/browser/reading_list/reading_list_distiller_page.h b/ios/chrome/browser/reading_list/reading_list_distiller_page.h
index 9b139f24bd708cf292d8cb8809b1f2989b9eec82..2a80e449042c9ba329ecacd9ea0a5f2ac0881930 100644
--- a/ios/chrome/browser/reading_list/reading_list_distiller_page.h
+++ b/ios/chrome/browser/reading_list/reading_list_distiller_page.h
@@ -45,10 +45,11 @@ class ReadingListDistillerPage : public dom_distiller::DistillerPageIOS {
  public:
   typedef base::Callback<void(const GURL&, const GURL&)> RedirectionCallback;
 
-  // Creates a ReadingListDistillerPage. WebStates to download the pages will
-  // be provided by web_state_dispatcher.
+  // Creates a ReadingListDistillerPage to distill |url|. WebStates to download
+  // the pages will be provided by web_state_dispatcher.
   // |browser_state|, |web_state_dispatcher| and |delegate| must not be null.
   explicit ReadingListDistillerPage(
+      const GURL& url,
       web::BrowserState* browser_state,
       FaviconWebStateDispatcher* web_state_dispatcher,
       ReadingListDistillerPageDelegate* delegate);
@@ -97,6 +98,7 @@ class ReadingListDistillerPage : public dom_distiller::DistillerPageIOS {
   // Continues distillation by calling superclass |OnLoadURLDone|.
   void DelayedOnLoadURLDone(int delayed_task_id);
   GURL original_url_;
+  bool distilling_main_page_;
 
   FaviconWebStateDispatcher* web_state_dispatcher_;
   ReadingListDistillerPageDelegate* delegate_;