[Experimental] Supporting OOPIF printing

chrome/utility/chrome_content_utility_client.cc

Index: chrome/utility/chrome_content_utility_client.cc
diff --git a/chrome/utility/chrome_content_utility_client.cc b/chrome/utility/chrome_content_utility_client.cc
index 0b38af4095d136715cc72157be935fe884098568..43fc7c971cc1d62b0a4666a2496459c37b5dcb5a 100644
--- a/chrome/utility/chrome_content_utility_client.cc
+++ b/chrome/utility/chrome_content_utility_client.cc
@@ -9,6 +9,7 @@
 
 #include "base/command_line.h"
 #include "base/files/file_path.h"
+#include "base/memory/discardable_memory_allocator.h"
 #include "base/memory/ptr_util.h"
 #include "base/memory/ref_counted.h"
 #include "base/time/time.h"
@@ -31,6 +32,8 @@
 #include "printing/features/features.h"
 #include "services/image_decoder/image_decoder_service.h"
 #include "services/image_decoder/public/interfaces/constants.mojom.h"
+#include "services/pdf_compositor/pdf_compositor_service.h"
+#include "services/pdf_compositor/public/interfaces/constants.mojom.h"
 #include "services/service_manager/public/cpp/interface_registry.h"
 #include "third_party/zlib/google/zip.h"
 #include "ui/gfx/geometry/size.h"
@@ -144,6 +147,11 @@ std::unique_ptr<service_manager::Service> CreateImageDecoderService() {
   return image_decoder::ImageDecoderService::Create();
 }
 
+std::unique_ptr<service_manager::Service> CreatePdfCompositorService() {
+  content::UtilityThread::Get()->EnsureBlinkInitialized();
+  return pdf_compositor::PdfCompositorService::Create();
+}
+
 }  // namespace
 
 ChromeContentUtilityClient::ChromeContentUtilityClient()
@@ -236,6 +244,12 @@ void ChromeContentUtilityClient::RegisterServices(StaticServiceMap* services) {
   image_decoder_info.factory = base::Bind(&CreateImageDecoderService);
   services->insert(
       std::make_pair(image_decoder::mojom::kServiceName, image_decoder_info));
+
+  // Register pdf composer service.
+  content::ServiceInfo pdf_compositor_info;
+  pdf_compositor_info.factory = base::Bind(&CreatePdfCompositorService);
+  services->insert(
+      std::make_pair(pdf_compositor::mojom::kServiceName, pdf_compositor_info));
 }
 
 // static