Add Postscript Printing

components/printing/renderer/print_web_view_helper.h

 // 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.
 
 #ifndef COMPONENTS_PRINTING_RENDERER_PRINT_WEB_VIEW_HELPER_H_
 #define COMPONENTS_PRINTING_RENDERER_PRINT_WEB_VIEW_HELPER_H_
 
 #include <memory>
 #include <vector>
 
@@ skipping 272 matching lines @@
 
   // Prints the page listed in |params|.
 #if defined(OS_MACOSX)
   void PrintPageInternal(const PrintMsg_PrintPage_Params& params,
                          blink::WebLocalFrame* frame);
 #else
   void PrintPageInternal(const PrintMsg_PrintPage_Params& params,
                          blink::WebLocalFrame* frame,
                          PdfMetafileSkia* metafile,
                          gfx::Size* page_size_in_dpi,
-                         gfx::Rect* content_area_in_dpi);
+                         gfx::Rect* content_area_in_dpi,
+                         gfx::Rect* printable_area_in_dpi);
 #endif  // defined(OS_MACOSX)
 
   // Platform specific helper function for rendering page(s) to |metafile|.
 #if defined(OS_MACOSX)
   void RenderPage(const PrintMsg_Print_Params& params,
                   int page_number,
                   blink::WebLocalFrame* frame,
                   bool is_preview,
                   PdfMetafileSkia* metafile,
                   gfx::Size* page_size,
@@ skipping 71 matching lines @@
   bool PreviewPageRendered(int page_number, PdfMetafileSkia* metafile);
 #endif  // BUILDFLAG(ENABLE_PRINT_PREVIEW)
 
   void SetPrintPagesParams(const PrintMsg_PrintPages_Params& settings);
 
   // WebView used only to print the selection.
   std::unique_ptr<PrepareFrameAndViewForPrint> prep_frame_view_;
   bool reset_prep_frame_view_;
 
   std::unique_ptr<PrintMsg_PrintPages_Params> print_pages_params_;
+  gfx::Rect printer_printable_area_;
   bool is_print_ready_metafile_sent_;
   bool ignore_css_margins_;
 
   bool is_printing_enabled_;
 
   // Let the browser process know of a printing failure. Only set to false when
   // the failure came from the browser in the first place.
   bool notify_browser_of_print_failure_;
 
   // True, when printing from print preview.
@@ skipping 142 matching lines @@
   base::Closure on_stop_loading_closure_;
 
   base::WeakPtrFactory<PrintWebViewHelper> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(PrintWebViewHelper);
 };
 
 }  // namespace printing
 
 #endif  // COMPONENTS_PRINTING_RENDERER_PRINT_WEB_VIEW_HELPER_H_