`kSyncedDefaultSearchProviderGUID` has been moved to the private UT section. This change replaces its use with `kDefaultSearchProviderGUID`. Chromium changes: https://chromium.googlesource.com/chromium/src/+/3b60017cd9f5bd3cc0dff5dec76cffb625ac02b4 commit 3b60017cd9f5bd3cc0dff5dec76cffb625ac02b4 Author: James Lee <ljjlee@google.com> Date: Fri Jun 27 04:00:48 2025 -0700 Delete kSyncedDefaultSearchProviderGUID pref This has been migrated to the kDefaultSearchProviderGUID local preference. Bug: 424428814 Change-Id: Ic215a3fa42f8a730cf032b34ce1fcba657de592d Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/6672709 Reviewed-by: Nicolas Dossou-Gbété <dgn@chromium.org> Commit-Queue: James Lee <ljjlee@google.com> Reviewed-by: Maksim Moskvitin <mmoskvitin@google.com> Reviewed-by: David Roger <droger@chromium.org> Cr-Commit-Position: refs/heads/main@{#1479728}