Revert "Improve the resolution of the menu item homescreen launch source metric."

chrome/browser/android/webapps/add_to_homescreen_data_fetcher.cc

Index: chrome/browser/android/webapps/add_to_homescreen_data_fetcher.cc
diff --git a/chrome/browser/android/webapps/add_to_homescreen_data_fetcher.cc b/chrome/browser/android/webapps/add_to_homescreen_data_fetcher.cc
index adad42e8e356f8ea3f60489ecb9c4e3dc88a5fe1..a29a5c4b5f6fe48f4d13d7d630cc552d8893bb9c 100644
--- a/chrome/browser/android/webapps/add_to_homescreen_data_fetcher.cc
+++ b/chrome/browser/android/webapps/add_to_homescreen_data_fetcher.cc
@@ -113,8 +113,6 @@ void AddToHomescreenDataFetcher::OnDidGetWebApplicationInfo(
   if (web_app_info.mobile_capable == WebApplicationInfo::MOBILE_CAPABLE ||
       web_app_info.mobile_capable == WebApplicationInfo::MOBILE_CAPABLE_APPLE) {
     shortcut_info_.display = blink::WebDisplayModeStandalone;
-    shortcut_info_.UpdateSource(
-        ShortcutInfo::SOURCE_ADD_TO_HOMESCREEN_STANDALONE);
   }
 
   // Record what type of shortcut was added by the user.
@@ -194,10 +192,10 @@ void AddToHomescreenDataFetcher::OnDidPerformInstallableCheck(
 
   is_installable_check_complete_ = true;
 
-  bool webapk_compatible = false;
   if (check_webapk_compatibility_) {
-    webapk_compatible = (data.error_code == NO_ERROR_DETECTED &&
-                         AreWebManifestUrlsWebApkCompatible(data.manifest));
+    bool webapk_compatible =
+        (data.error_code == NO_ERROR_DETECTED &&
+         AreWebManifestUrlsWebApkCompatible(data.manifest));
     weak_observer_->OnDidDetermineWebApkCompatibility(webapk_compatible);
 
     // WebAPKs are wholly defined by the Web Manifest. Ignore the <meta> tag
@@ -211,15 +209,6 @@ void AddToHomescreenDataFetcher::OnDidPerformInstallableCheck(
         base::UserMetricsAction("webapps.AddShortcut.Manifest"));
     shortcut_info_.UpdateFromManifest(data.manifest);
     shortcut_info_.manifest_url = data.manifest_url;
-
-    if (webapk_compatible) {
-      shortcut_info_.UpdateSource(ShortcutInfo::SOURCE_ADD_TO_HOMESCREEN_PWA);
-
-      if (data.badge_icon && !data.badge_icon->drawsNothing()) {
-        shortcut_info_.best_badge_icon_url = data.badge_icon_url;
-        badge_icon_ = *data.badge_icon;
-      }
-    }
   }
 
   // Save the splash screen URL for the later download.