[Chrome] Support NumCopies print preset

pdf/out_of_process_instance.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef PDF_OUT_OF_PROCESS_INSTANCE_H_
 #define PDF_OUT_OF_PROCESS_INSTANCE_H_
 
 #include <queue>
 #include <set>
 #include <string>
@@ skipping 58 matching lines @@
   virtual int32_t PrintBegin(
       const PP_PrintSettings_Dev& print_settings) OVERRIDE;
   virtual pp::Resource PrintPages(
       const PP_PrintPageNumberRange_Dev* page_ranges,
       uint32_t page_range_count) OVERRIDE;
   virtual void PrintEnd() OVERRIDE;
   virtual bool IsPrintScalingDisabled() OVERRIDE;
 
   // pp::Private implementation.
   virtual pp::Var GetLinkAtPosition(const pp::Point& point);
+  virtual PP_Bool GetPrintPresetOptionsFromDocument(
+      PP_PrintPresetOptions_Dev* options);
 
   // PPP_Selection_Dev implementation.
   virtual pp::Var GetSelectedText(bool html) OVERRIDE;
 
   void FlushCallback(int32_t result);
   void DidOpen(int32_t result);
   void DidOpenPreview(int32_t result);
 
   // Called when the timer is fired.
   void OnClientTimerFired(int32_t id);
@@ skipping 247 matching lines @@
   // zooming the plugin so that flickering doesn't occur while zooming.
   bool stop_scrolling_;
 
   // The callback for receiving the password from the page.
   scoped_ptr<pp::CompletionCallbackWithOutput<pp::Var> > password_callback_;
 };
 
 }  // namespace chrome_pdf
 
 #endif  // PDF_OUT_OF_PROCESS_INSTANCE_H_