Web app: set a flag on the Intent if the icon was generated by Chromium.

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 978053fa3d65b7d1fe9bfb9e6d8d230f4c799497..9f4d4e738690afcfd5181683ed3d56c87aaf1f89 100644
--- a/chrome/browser/android/webapps/add_to_homescreen_data_fetcher.cc
+++ b/chrome/browser/android/webapps/add_to_homescreen_data_fetcher.cc
@@ -235,9 +235,11 @@ void AddToHomescreenDataFetcher::CreateLauncherIcon(
                           &icon_bitmap);
   }
 
+  bool generated = false;
   if (weak_observer_) {
     icon_bitmap = weak_observer_->FinalizeLauncherIcon(icon_bitmap,
-                                                       shortcut_info_.url);
+                                                       shortcut_info_.url,
+                                                       &generated);
   }
 
   content::BrowserThread::PostTask(
@@ -245,7 +247,8 @@ void AddToHomescreenDataFetcher::CreateLauncherIcon(
       FROM_HERE,
       base::Bind(&AddToHomescreenDataFetcher::NotifyObserver,
                  this,
-                 icon_bitmap));
+                 icon_bitmap,
+                 generated));
 }
 
 void AddToHomescreenDataFetcher::OnManifestIconFetched(const SkBitmap& icon) {
@@ -253,16 +256,18 @@ void AddToHomescreenDataFetcher::OnManifestIconFetched(const SkBitmap& icon) {
     FetchFavicon();
     return;
   }
-  NotifyObserver(icon);
+  NotifyObserver(icon, false);
 }
 
-void AddToHomescreenDataFetcher::NotifyObserver(const SkBitmap& bitmap) {
+void AddToHomescreenDataFetcher::NotifyObserver(const SkBitmap& bitmap,
+                                                bool generated) {
   DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
   if (!web_contents() || !weak_observer_ || is_icon_saved_)
     return;
 
   is_icon_saved_ = true;
   shortcut_icon_ = bitmap;
+  shortcut_info_.generated_icon = generated;
   is_ready_ = true;
   weak_observer_->OnDataAvailable(shortcut_info_, shortcut_icon_);
 }