[Print Preview] Refactored code to support auto fit to page functionality.

chrome/renderer/print_web_view_helper_win.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 "chrome/renderer/print_web_view_helper.h"
 
 #include "base/logging.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/metrics/histogram.h"
 #include "base/process_util.h"
@@ skipping 202 matching lines @@
   return PreviewPageRendered(page_number, draft_metafile.get());
 }
 
 Metafile* PrintWebViewHelper::RenderPage(
     const PrintMsg_Print_Params& params, int page_number, WebFrame* frame,
     bool is_preview, Metafile* metafile, double* actual_shrink,
     gfx::Size* page_size_in_dpi, gfx::Rect* content_area_in_dpi) {
   printing::PageSizeMargins page_layout_in_points;
   double css_scale_factor = 1.0f;
   ComputePageLayoutInPointsForCss(frame, page_number, params,
-                                  ignore_css_margins_, fit_to_page_,
-                                  &css_scale_factor, &page_layout_in_points);
+                                  ignore_css_margins_, &css_scale_factor,
+                                  &page_layout_in_points);
   gfx::Size page_size;
   gfx::Rect content_area;
   GetPageSizeAndContentAreaFromPageLayout(page_layout_in_points, &page_size,
                                           &content_area);
   int dpi = static_cast<int>(params.dpi);
   // Calculate the actual page size and content area in dpi.
   if (page_size_in_dpi) {
     *page_size_in_dpi = gfx::Size(
         static_cast<int>(ConvertUnitDouble(
             page_size.width(), printing::kPointsPerInch, dpi)),
@@ skipping 140 matching lines @@
     shared_buf.Unmap();
     return false;
   }
   shared_buf.GiveToProcess(base::GetCurrentProcessHandle(), shared_mem_handle);
   shared_buf.Unmap();
 
   Send(new PrintHostMsg_DuplicateSection(routing_id(), *shared_mem_handle,
                                          shared_mem_handle));
   return true;
 }