[Chrome] Support NumCopies print preset

pdf/out_of_process_instance.cc

 // 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.
 
 #include "pdf/out_of_process_instance.h"
 
 #include <algorithm>  // for min/max()
 #define _USE_MATH_DEFINES  // for M_PI
 #include <cmath>      // for log() and pow()
 #include <math.h>
@@ skipping 584 matching lines @@
   if (print_settings_.print_pages_called_)
     UserMetricsRecordAction("PDF.PrintPage");
   print_settings_.Clear();
   engine_->PrintEnd();
 }
 
 bool OutOfProcessInstance::IsPrintScalingDisabled() {
   return !engine_->GetPrintScaling();
 }
 
+int32_t OutOfProcessInstance::GetNumCopies() {
+  return engine_->GetNumCopies();
+}
+
 bool OutOfProcessInstance::StartFind(const std::string& text,
                                                  bool case_sensitive) {
   engine_->StartFind(text.c_str(), case_sensitive);
   return true;
 }
 
 void OutOfProcessInstance::SelectFindResult(bool forward) {
   engine_->SelectFindResult(forward);
 }
 
@@ skipping 802 matching lines @@
 pp::Point OutOfProcessInstance::BoundScrollOffsetToDocument(
     const pp::Point& scroll_offset) {
   int max_x = document_size_.width() * zoom_ - plugin_dip_size_.width();
   int x = std::max(std::min(scroll_offset.x(), max_x), 0);
   int max_y = document_size_.height() * zoom_ - plugin_dip_size_.height();
   int y = std::max(std::min(scroll_offset.y(), max_y), 0);
   return pp::Point(x, y);
 }
 
 }  // namespace chrome_pdf