GitLab

This CL moves PrintHostMsg_DidPreviewDocument_Params to
//printing/mojom/print.mojom to pass it to Mojo interfaces. It's
a precursor CL of PrintHostMsg_MetafileReadyForPrinting
mojofication.

Bug: 1008939
Change-Id: I83b988849cbc93b780d9422d2ac3e5065e51fbbf
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2257035
Commit-Queue: Julie Kim <jkim@igalia.com>
Reviewed-by: Dave Tapuska <dtapuska@chromium.org>
Reviewed-by: Kinuko Yasuda <kinuko@chromium.org>
Reviewed-by: Lei Zhang <thestig@chromium.org>
Cr-Commit-Position: refs/heads/master@{#783783}