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

chrome/browser/android/shortcut_helper.h

Index: chrome/browser/android/shortcut_helper.h
diff --git a/chrome/browser/android/shortcut_helper.h b/chrome/browser/android/shortcut_helper.h
index 12e47931b41aa571f7a0e4904815b429a373982d..88ea96f713ab704a79f213352afa07c7d1a4b5b5 100644
--- a/chrome/browser/android/shortcut_helper.h
+++ b/chrome/browser/android/shortcut_helper.h
@@ -53,6 +53,13 @@ class ShortcutHelper {
   static void StoreWebappData(const std::string& webapp_id,
                               const SkBitmap& splash_image);
 
+  // Modify the given icon to matches the launcher requirements and returns the

[gone, 2015/10/21 23:35:57]

to match

requirements, then returns

[mlamouri (slow - plz ping), 2015/10/22 14:37:06]

Done.

+  // new icon. It might generate an entirely new icon, in which case,
+  // |generated| will be set to |true|.
+  static SkBitmap FinalizeLauncherIcon(const SkBitmap& icon,
+                                       const GURL& url,
+                                       bool* generated);
+
  private:
   ShortcutHelper() = delete;
   ~ShortcutHelper() = delete;