Code: PrintMsg_Print_Params::PrintMsg_Print_Params()
    : page_size(),
      content_size(),
      printable_area(),
      margin_top(0),
      margin_left(0),
      dpi(0),
      scale_factor(1.0f),
      rasterize_pdf(false),
      document_cookie(0),
      selection_only(false),
      supports_alpha_blend(false),
      preview_ui_id(-1),
      preview_request_id(0),
      is_first_request(false),
      print_scaling_option(blink::kWebPrintScalingOptionSourceSize),
      print_to_pdf(false),
       display_header_footer(false),
       title(),
       url(),
       should_print_backgrounds(false),
       printed_doc_type(printing::SkiaDocumentType::PDF) {}

Vulnerability Type: Bypass 
CWE ID: CWE-20
Summary: Failure to apply Mark-of-the-Web in Downloads in Google Chrome prior to 65.0.3325.146 allowed a remote attacker to bypass OS level controls via a crafted HTML page.
Commit Message: DevTools: allow styling the page number element when printing over the protocol.

Bug: none
Change-Id: I13e6afbd86a7c6bcdedbf0645183194b9de7cfb4
Reviewed-on: https://chromium-review.googlesource.com/809759
Commit-Queue: Pavel Feldman <pfeldman@chromium.org>
Reviewed-by: Lei Zhang <thestig@chromium.org>
Reviewed-by: Tom Sepez <tsepez@chromium.org>
Reviewed-by: Jianzhou Feng <jzfeng@chromium.org>
Cr-Commit-Position: refs/heads/master@{#523966}