Print Preview: Support the duplex preset in PDFs.

The preset from the PDF document gets plumbed all the way to print
preview, but the ShortEdge setting is ignored at the end because print
preview does not support it yet.

BUG=169120

Review URL: https://codereview.chromium.org/974183003

Cr-Commit-Position: refs/heads/master@{#319324}

1 files changed, 4 insertions, 2 deletions

diff --git a/pdf/out_of_process_instance.cc b/pdf/out_of_process_instance.cc
index ef83cd9..ee4cd9f 100644
--- a/pdf/out_of_process_instance.cc
+++ b/pdf/out_of_process_instance.cc
@@ -603,6 +603,8 @@ void OutOfProcessInstance::DidChangeView(const pp::View& view) {
 void OutOfProcessInstance::GetPrintPresetOptionsFromDocument(
     PP_PdfPrintPresetOptions_Dev* options) {
   options->is_scaling_disabled = PP_FromBool(IsPrintScalingDisabled());
+  options->duplex =
+      static_cast<PP_PrivateDuplexMode_Dev>(engine_->GetDuplexType());
   options->copies = engine_->GetCopiesToPrint();
 }
 
@@ -1183,7 +1185,7 @@ void OutOfProcessInstance::DocumentLoadFailed() {
   // Send a progress value of -1 to indicate a failure.
   pp::VarDictionary message;
   message.Set(pp::Var(kType), pp::Var(kJSLoadProgressType));
-  message.Set(pp::Var(kJSProgressPercentage), pp::Var(-1)) ;
+  message.Set(pp::Var(kJSProgressPercentage), pp::Var(-1));
   PostMessage(message);
 }
 
@@ -1250,7 +1252,7 @@ void OutOfProcessInstance::DocumentLoadProgress(uint32 available,
     last_progress_sent_ = progress;
     pp::VarDictionary message;
     message.Set(pp::Var(kType), pp::Var(kJSLoadProgressType));
-    message.Set(pp::Var(kJSProgressPercentage), pp::Var(progress)) ;
+    message.Set(pp::Var(kJSProgressPercentage), pp::Var(progress));
     PostMessage(message);
   }
 }