Support pdf native page on custom tab

- Added BrowserControlsManager to construct CustomTabDelegateFactory,
which is needed to create pdf native page;
- Added #createNativePageForCustomTab in NativePageFactory.

Bug: 330086652
Change-Id: I29c3aa34bc744cdf0b0bc2858900e4cd3878e464
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/5399049


Reviewed-by: Theresa Sullivan <twellington@chromium.org>
Commit-Queue: Shu Yang <shuyng@google.com>
Cr-Commit-Position: refs/heads/main@{#1279265}