Printing: PDFs should only be fit to page if there is a size mismatch.

pdf/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/instance.h"
 
 #include <algorithm>  // for min()
 #define _USE_MATH_DEFINES  // for M_PI
 #include <cmath>      // for log() and pow()
 #include <math.h>
@@ skipping 659 matching lines @@
 
   return instance_object_;
 }
 
 void Instance::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();
+  pp::Size uniform_page_size;
+  options->is_page_size_uniform =
+      PP_FromBool(engine_->GetPageSizeAndUniformity(&uniform_page_size));
+  options->uniform_page_size = PP_Size(uniform_page_size);
 }
 
 pp::Var Instance::GetLinkAtPosition(const pp::Point& point) {
   pp::Point offset_point(point);
   ScalePoint(device_scale_, &offset_point);
   offset_point.set_x(offset_point.x() - available_area_.x());
   return engine_->GetLinkAtPosition(offset_point);
 }
 
 pp::Var Instance::GetSelectedText(bool html) {
@@ skipping 2130 matching lines @@
   return instance_->HasScriptableMethod(name, exception);
 }
 
 pp::Var PDFScriptableObject::Call(const pp::Var& method,
                                   const std::vector<pp::Var>& args,
                                   pp::Var* exception) {
   return instance_->CallScriptableMethod(method, args, exception);
 }
 
 }  // namespace chrome_pdf