Set window dimensions with GetClientRect, not GetWindowRect

Bug: skia:
Change-Id: I7dc2cc011827654c2dd3faf681d1909afeb9bb85
Reviewed-on: https://skia-review.googlesource.com/156143
Auto-Submit: Brian Osman <brianosman@google.com>
Commit-Queue: Ben Wagner <bungeman@google.com>
Reviewed-by: Ben Wagner <bungeman@google.com>
1 file changed