Save favicon during reading list distillation

components/dom_distiller/ios/distiller_page_ios.h

Index: components/dom_distiller/ios/distiller_page_ios.h
diff --git a/components/dom_distiller/ios/distiller_page_ios.h b/components/dom_distiller/ios/distiller_page_ios.h
index 9c799852b91e05c62ddb66aca1555eecaadd07e4..a9ed1a1dbf43322f69b052f12e0a222ffaa57c01 100644
--- a/components/dom_distiller/ios/distiller_page_ios.h
+++ b/components/dom_distiller/ios/distiller_page_ios.h
@@ -23,13 +23,15 @@ class BrowserState;
 
 namespace dom_distiller {
 
+class DistillerFaviconIOS;
 class DistillerWebStateObserver;
 
 // Loads URLs and injects JavaScript into a page, extracting the distilled page
 // content.
 class DistillerPageIOS : public DistillerPage {
  public:
-  explicit DistillerPageIOS(web::BrowserState* browser_state);
+  explicit DistillerPageIOS(web::BrowserState* browser_state,
+                            DistillerFaviconIOS* distiller_favicon);
   ~DistillerPageIOS() override;
 
  protected:
@@ -45,6 +47,11 @@ class DistillerPageIOS : public DistillerPage {
   // Called once the |script_| has been evaluated on the page.
   void HandleJavaScriptResult(id result);
 
+  // Called once the script for finding the favicons on the page has been
+  // evaluated. Extracts the data from the |result| and let |distiller_favicon_|

[Eugene But (OOO till 7-30), 2016/11/30 18:51:30]

Please describe what |result| is, including it's actual expected type.

+  // handle the URL.
+  void HandleFaviconResult(id result);
+
   // Converts result of WKWebView script evaluation to base::Value
   std::unique_ptr<base::Value> ValueResultFromScriptResult(id wk_result);
 
@@ -53,6 +60,7 @@ class DistillerPageIOS : public DistillerPage {
   std::string script_;
   std::unique_ptr<ios::WebControllerProvider> provider_;
   std::unique_ptr<DistillerWebStateObserver> web_state_observer_;
+  DistillerFaviconIOS* distiller_favicon_;
   base::WeakPtrFactory<DistillerPageIOS> weak_ptr_factory_;
 };