Support NumCopies print preset

Chrome side changes to support NumCopies print preset option.
Copies in print preview dialog should be set to value set for
NumCopies in pdf source document.

BUG=169120

Review URL: https://codereview.chromium.org/375253002

Cr-Commit-Position: refs/heads/master@{#304785}

1 files changed, 20 insertions, 1 deletions

diff --git a/pdf/out_of_process_instance.cc b/pdf/out_of_process_instance.cc
index 92ef550..e195067 100644
--- a/pdf/out_of_process_instance.cc
+++ b/pdf/out_of_process_instance.cc
@@ -166,9 +166,22 @@ void Transform(PP_Instance instance, PP_PrivatePageTransformType type) {
   }
 }
 
+PP_Bool GetPrintPresetOptionsFromDocument(
+    PP_Instance instance,
+    PP_PdfPrintPresetOptions_Dev* options) {
+  void* object = pp::Instance::GetPerInstanceObject(instance, kPPPPdfInterface);
+  if (object) {
+    OutOfProcessInstance* obj_instance =
+        static_cast<OutOfProcessInstance*>(object);
+    obj_instance->GetPrintPresetOptionsFromDocument(options);
+  }
+  return PP_TRUE;
+}
+
 const PPP_Pdf ppp_private = {
   &GetLinkAtPosition,
-  &Transform
+  &Transform,
+  &GetPrintPresetOptionsFromDocument
 };
 
 int ExtractPrintPreviewPageIndex(const std::string& src_url) {
@@ -551,6 +564,12 @@ void OutOfProcessInstance::DidChangeView(const pp::View& view) {
   }
 }
 
+void OutOfProcessInstance::GetPrintPresetOptionsFromDocument(
+    PP_PdfPrintPresetOptions_Dev* options) {
+  options->is_scaling_disabled = PP_FromBool(IsPrintScalingDisabled());
+  options->copies = engine_->GetCopiesToPrint();
+}
+
 pp::Var OutOfProcessInstance::GetLinkAtPosition(
     const pp::Point& point) {
   pp::Point offset_point(point);