Focus on the search box when entering History page on large device with keyboard

Currently when entering the chrome://history, the first page pop up is
the history title with a magnifier button on the side. This isn't a good
UX and we want to make the search box pop up first.

Bug: 349021502
Signed-off-by: Fuhsin Liao <fuhsinliao@google.com>
Change-Id: I52486946853de89d96829269e9348bf48eed8e92
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/6703931
Reviewed-by: Patrick Noland <pnoland@chromium.org>
Reviewed-by: Ryo Hashimoto <hashimoto@chromium.org>
Commit-Queue: Ryo Hashimoto <hashimoto@chromium.org>
Cr-Commit-Position: refs/heads/main@{#1485321}