Use pdf compositor service for printing when OOPIF is enabled

components/printing/browser/print_manager_utils.cc

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "components/printing/browser/print_manager_utils.h"
+
+#include "base/command_line.h"
+#include "components/printing/browser/print_composite_client.h"
 #include "components/printing/common/print_messages.h"
+#include "content/public/common/content_features.h"
+#include "content/public/common/content_switches.h"
 #include "printing/print_settings.h"
 
 namespace printing {
 
+// A temporary flag which makes supporting both paths for OOPIF and non-OOPIF
+// printing easier.
+static bool g_oopif_enabled = false;
+
+void SetOopifEnabled() {
+  g_oopif_enabled = true;
+}
+
+bool IsOopifEnabled() {
+  return g_oopif_enabled;
+}
+
+void CreateCompositeClientIfNeeded(content::WebContents* web_contents) {
+  if (base::CommandLine::ForCurrentProcess()->HasSwitch(
+          switches::kSitePerProcess) ||
+      base::FeatureList::IsEnabled(features::kTopDocumentIsolation)) {
+    // For cases need to support OOPIFs.
+    PrintCompositeClient::CreateForWebContents(web_contents);
+    SetOopifEnabled();
+  }
+}
+
 void RenderParamsFromPrintSettings(const PrintSettings& settings,
                                    PrintMsg_Print_Params* params) {
   params->page_size = settings.page_setup_device_units().physical_size();
   params->content_size.SetSize(
       settings.page_setup_device_units().content_area().width(),
       settings.page_setup_device_units().content_area().height());
   params->printable_area.SetRect(
       settings.page_setup_device_units().printable_area().x(),
       settings.page_setup_device_units().printable_area().y(),
       settings.page_setup_device_units().printable_area().width(),
       settings.page_setup_device_units().printable_area().height());
   params->margin_top = settings.page_setup_device_units().content_area().y();
   params->margin_left = settings.page_setup_device_units().content_area().x();
   params->dpi = settings.dpi();
   params->scale_factor = settings.scale_factor();
   params->rasterize_pdf = settings.rasterize_pdf();
   // Always use an invalid cookie.
   params->document_cookie = 0;
   params->selection_only = settings.selection_only();
   params->supports_alpha_blend = settings.supports_alpha_blend();
   params->should_print_backgrounds = settings.should_print_backgrounds();
   params->display_header_footer = settings.display_header_footer();
   params->title = settings.title();
   params->url = settings.url();
-  params->printed_doc_type = SkiaDocumentType::PDF;
+  params->printed_doc_type =
+      IsOopifEnabled() ? SkiaDocumentType::MSKP : SkiaDocumentType::PDF;
 }
 
 }  // namespace printing