GitLab

This CL moves printing::PrintHostMsg_DidPrintContent_Params to
print.mojom to pass it to Mojo interfaces. This is a precursor
CL to mojofy the preview UI messages.

Bug: 1008939
Change-Id: I35449ebcf5ed89c9d1282997b6b10b2e674c78cb
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2212110Reviewed-by: Kinuko Yasuda <kinuko@chromium.org>
Reviewed-by: Lei Zhang <thestig@chromium.org>
Reviewed-by: Bo <boliu@chromium.org>
Reviewed-by: Dave Tapuska <dtapuska@chromium.org>
Commit-Queue: Dave Tapuska <dtapuska@chromium.org>
Cr-Commit-Position: refs/heads/master@{#772701}