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

chrome/renderer/print_web_view_helper_linux.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/file_descriptor_posix.h"
 #include "base/logging.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/metrics/histogram.h"
@@ skipping 125 matching lines @@
 }
 
 bool PrintWebViewHelper::RenderPages(const PrintMsg_PrintPages_Params& params,
                                      WebKit::WebFrame* frame,
                                      const WebKit::WebNode& node,
                                      int* page_count,
                                      PrepareFrameAndViewForPrint* prepare,
                                      printing::Metafile* metafile) {
   PrintMsg_Print_Params print_params = params.params;
   UpdateFrameAndViewFromCssPageLayout(frame, node, prepare, print_params,
-                                      ignore_css_margins_, fit_to_page_);
+                                      ignore_css_margins_);
 
   *page_count = prepare->GetExpectedPageCount();
   if (!*page_count)
     return false;
 
 #if !defined(OS_CHROMEOS)
     Send(new PrintHostMsg_DidGetPrintedPagesCount(routing_id(),
                                                   print_params.document_cookie,
                                                   *page_count));
 #endif
@@ skipping 19 matching lines @@
 }
 
 void PrintWebViewHelper::PrintPageInternal(
     const PrintMsg_PrintPage_Params& params,
     const gfx::Size& canvas_size,
     WebFrame* frame,
     printing::Metafile* metafile) {
   printing::PageSizeMargins page_layout_in_points;
   double scale_factor = 1.0f;
   ComputePageLayoutInPointsForCss(frame, params.page_number, params.params,
-                                  ignore_css_margins_, fit_to_page_,
-                                  &scale_factor, &page_layout_in_points);
+                                  ignore_css_margins_, &scale_factor,
+                                  &page_layout_in_points);
   gfx::Size page_size;
   gfx::Rect content_area;
   GetPageSizeAndContentAreaFromPageLayout(page_layout_in_points, &page_size,
                                           &content_area);
   SkDevice* device = metafile->StartPageForVectorCanvas(
       page_size, content_area, scale_factor);
   if (!device)
     return;
 
   // The printPage method take a reference to the canvas we pass down, so it
@@ skipping 10 matching lines @@
     PrintHeaderAndFooter(canvas.get(), params.page_number + 1,
                          print_preview_context_.total_page_count(),
                          scale_factor, page_layout_in_points,
                          *header_footer_info_);
   }
 
   // Done printing. Close the device context to retrieve the compiled metafile.
   if (!metafile->FinishPage())
     NOTREACHED() << "metafile failed";
 }