PrintPreview: [MAC] Always set the crop box rectangle as print source rectangle.

printing/pdf_metafile_cg_mac.cc

 // Copyright (c) 2011 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 "printing/pdf_metafile_cg_mac.h"
 
 #include "base/file_path.h"
 #include "base/logging.h"
 #include "base/mac/mac_util.h"
 #include "base/mac/scoped_cftyperef.h"
@@ skipping 162 matching lines @@
                                bool shrink_to_fit,
                                bool stretch_to_fit,
                                bool center_horizontally,
                                bool center_vertically) const {
   CGPDFDocumentRef pdf_doc = GetPDFDocument();
   if (!pdf_doc) {
     LOG(ERROR) << "Unable to create PDF document from data";
     return false;
   }
   CGPDFPageRef pdf_page = CGPDFDocumentGetPage(pdf_doc, page_number);
-  CGRect source_rect = CGPDFPageGetBoxRect(pdf_page, kCGPDFMediaBox);
+  CGRect source_rect = CGPDFPageGetBoxRect(pdf_page, kCGPDFCropBox);
   float scaling_factor = 1.0;
   // See if we need to scale the output.
   bool scaling_needed =
       (shrink_to_fit && ((source_rect.size.width > rect.size.width) ||
                          (source_rect.size.height > rect.size.height))) ||
       (stretch_to_fit && (source_rect.size.width < rect.size.width) &&
           (source_rect.size.height < rect.size.height));
   if (scaling_needed) {
     float x_scaling_factor = rect.size.width / source_rect.size.width;
     float y_scaling_factor = rect.size.height / source_rect.size.height;
@@ skipping 97 matching lines @@
 
   if (!pdf_doc_.get()) {
     ScopedCFTypeRef<CGDataProviderRef> pdf_data_provider(
         CGDataProviderCreateWithCFData(pdf_data_));
     pdf_doc_.reset(CGPDFDocumentCreateWithProvider(pdf_data_provider));
   }
   return pdf_doc_.get();
 }
 
 }  // namespace printing