This CL moves blink::WebPrintScalingOption to print.mojom to pass it
to Mojo interfaces and removes web_print_scaling_option.h. This
is a precursor CL to mojofy PrintHostMsg_GetDefaultPrintSettings.
Bug: 1008939
Change-Id: Ia951aebcfb397275e9a0367e773924ba84ee256d
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2216131
Commit-Queue: Dave Tapuska <dtapuska@chromium.org>
Reviewed-by: Dave Tapuska <dtapuska@chromium.org>
Reviewed-by: Lei Zhang <thestig@chromium.org>
Reviewed-by: Kinuko Yasuda <kinuko@chromium.org>
Cr-Commit-Position: refs/heads/master@{#773691}
6e0eb6e5cb