[Chrome] Support NumCopies print preset

content/renderer/pepper/pepper_plugin_instance_impl.cc

Index: content/renderer/pepper/pepper_plugin_instance_impl.cc
diff --git a/content/renderer/pepper/pepper_plugin_instance_impl.cc b/content/renderer/pepper/pepper_plugin_instance_impl.cc
index 49830a5d4982c60004d9df3ca4f9e1dc06731e90..ac71137a1f9392a08aca6eca28bd651154a6e8dc 100644
--- a/content/renderer/pepper/pepper_plugin_instance_impl.cc
+++ b/content/renderer/pepper/pepper_plugin_instance_impl.cc
@@ -111,6 +111,7 @@
 #include "third_party/WebKit/public/web/WebLocalFrame.h"
 #include "third_party/WebKit/public/web/WebPluginContainer.h"
 #include "third_party/WebKit/public/web/WebPrintParams.h"
+#include "third_party/WebKit/public/web/WebPrintPresetOptions.h"
 #include "third_party/WebKit/public/web/WebPrintScalingOption.h"
 #include "third_party/WebKit/public/web/WebScopedUserGesture.h"
 #include "third_party/WebKit/public/web/WebScriptSource.h"
@@ -1490,7 +1491,7 @@ bool PepperPluginInstanceImpl::LoadMouseLockInterface() {
 bool PepperPluginInstanceImpl::LoadPdfInterface() {
   if (!checked_for_plugin_pdf_interface_) {
     checked_for_plugin_pdf_interface_ = true;
-    plugin_pdf_interface_ = static_cast<const PPP_Pdf_1*>(
+    plugin_pdf_interface_ = static_cast<const PPP_Pdf*>(
         module_->GetPluginInterface(PPP_PDF_INTERFACE_1));
   }
 
@@ -1795,6 +1796,25 @@ void PepperPluginInstanceImpl::PrintEnd() {
 #endif  // defined(OS_MACOSX)
 }
 
+bool PepperPluginInstanceImpl::GetPrintPresetOptionsFromDocument(
+    blink::WebPrintPresetOptions* preset_options) {
+  // Keep a reference on the stack. See NOTE above.
+  scoped_refptr<PepperPluginInstanceImpl> ref(this);
+  if (!LoadPdfInterface())
+    return false;
+
+  PPP_PdfPrintPresetOptions_Dev options;
+  if (!plugin_pdf_interface_->GetPrintPresetOptionsFromDocument(pp_instance(),
+                                                                &options)) {
+    return false;
+  }
+
+  preset_options->isScalingDisabled = options.is_scaling_disabled;
+  preset_options->copies = options.copies;
+
+  return true;
+}
+
 bool PepperPluginInstanceImpl::CanRotateView() {
   if (!LoadPdfInterface())
     return false;