UpdateIconProgress method was removed

Chromium change:
https://source.chromium.org/chromium/chromium/src/+/8d32c9a197581cadc78fa93c806e04053861b182

commit 8d32c9a197581cadc78fa93c806e04053861b182 (tag: 119.0.6045.16)
Author: Lily Chen <chlily@chromium.org>
Date:   Tue Oct 10 00:05:56 2023 +0000

    [M119][DownloadBubble] Fix icon bugs introduced in crrev.com/c/4904720

    This fixes 2 user-visible bugs that regressed in crrev.com/c/4904720.

    1. The animated scanning ring for deep scans disappeared. It is restored
       by always forcing a redraw of the progress ring if we need to show
       the scanning animation.

    2. Any update to the progress requiring a redraw of the progress ring
       was not processed until the subsequent update call, resulting in an
       inconsistent icon state for the first 0.5 seconds. This is fixed by
       calling UpdateIcon only after redraw_progress_soon_ is set.

    (cherry picked from commit da92f2fa4190f6513b40c8d032b98d58fe0a8877)

    Bug: 1487569

browser/download/bubble/download_display_controller_unittest.cc

@@ -107,10 +107,9 @@ class FakeDownloadDisplay : public DownloadDisplay {
     if (updates.new_active) {
       active_ = *updates.new_active;
     }
-  }
-
-  void UpdateIconProgress(const ProgressInfo& info) override {
-    progress_info_ = info;
+    if (updates.new_progress) {
+      progress_info_ = *updates.new_progress;
+    }
   }
 
   void ShowDetails() override { detail_shown_ = true; }