[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 a3c0c0f9050e6799cf82e6ebedd5cf06077d3b8b..96cbe657300389a558bb7513621e9d5d7342b943 100644
--- a/content/renderer/pepper/pepper_plugin_instance_impl.cc
+++ b/content/renderer/pepper/pepper_plugin_instance_impl.cc
@@ -112,6 +112,7 @@
 #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"
@@ -1504,7 +1505,7 @@ 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));
   }
 
@@ -1814,6 +1815,25 @@ 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;
+
+  PP_PdfPrintPresetOptions_Dev options;
+  if (!plugin_pdf_interface_->GetPrintPresetOptionsFromDocument(pp_instance(),
+                                                                &options)) {
+    return false;
+  }
+
+  preset_options->isScalingDisabled = PP_ToBool(options.is_scaling_disabled);
+  preset_options->copies = options.copies;
+
+  return true;
+}
+
 bool PepperPluginInstanceImpl::CanRotateView() {
   if (!LoadPdfInterface())
     return false;