Measuring ImageCapture.setOptions() usage.

To Remove ImageCapture.setOptions() from idl
as per [1] need to measure the usage.
[1] - https://github.com/w3c/mediacapture-image/pull/150/files#diff-ec9cfa5f3f35ec1f84feb2e59686c34dL54

BUG=771283

Change-Id: Iab3b99a43c285db4328fe23d8a2bba8dd1552df3
Reviewed-on: https://chromium-review.googlesource.com/712135
Reviewed-by: Miguel Casas <mcasas@chromium.org>
Reviewed-by: Kentaro Hara <haraken@chromium.org>
Commit-Queue: srirama chandra sekhar <srirama.m@samsung.com>
Cr-Commit-Position: refs/heads/master@{#508613}
3 files changed