Code: void PrintMsg_Print_Params::Reset() {
  page_size = gfx::Size();
  content_size = gfx::Size();
  printable_area = gfx::Rect();
  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 = base::string16();
   url = base::string16();
   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}