Clean up android_usb_browsertest.cc.

- Add / simplify constructors/destructors.
- Add a buffer size DCHECK() to avoid going out of bounds.
- Replace new keyword usage with the appropriate "make" function.
- Fix bad indentation from r636359.

Change-Id: Iab5cb939b36abb4ccebcced2b44aa432c55b4f39
Reviewed-on: https://chromium-review.googlesource.com/c/1495366
Reviewed-by: Reilly Grant <reillyg@chromium.org>
Commit-Queue: Lei Zhang <thestig@chromium.org>
Cr-Commit-Position: refs/heads/master@{#636496}
1 file changed