Update AddToHomescreenDataFetcher to accept badge icon for WebAPK.

chrome/browser/android/webapps/add_to_homescreen_manager.h

Index: chrome/browser/android/webapps/add_to_homescreen_manager.h
diff --git a/chrome/browser/android/webapps/add_to_homescreen_manager.h b/chrome/browser/android/webapps/add_to_homescreen_manager.h
index 1832771e6918ba0f683628780dc67f054b8171f7..1db089bab6780351e7a626add277ea21c667b5b4 100644
--- a/chrome/browser/android/webapps/add_to_homescreen_manager.h
+++ b/chrome/browser/android/webapps/add_to_homescreen_manager.h
@@ -59,7 +59,9 @@ class AddToHomescreenManager : public AddToHomescreenDataFetcher::Observer {
   // AddToHomescreenDataFetcher::Observer:
   void OnDidDetermineWebApkCompatibility(bool is_webapk_compatible) override;
   void OnUserTitleAvailable(const base::string16& user_title) override;
-  void OnDataAvailable(const ShortcutInfo& info, const SkBitmap& icon) override;
+  void OnDataAvailable(const ShortcutInfo& info,
+                       const SkBitmap& primary_icon,
+                       const SkBitmap& badge_icon) override;
   SkBitmap FinalizeLauncherIconInBackground(const SkBitmap& icon,
                                             const GURL& url,
                                             bool* is_generated) override;