Use pdf compositor service for printing when OOPIF is enabled

components/printing/renderer/print_render_frame_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_RENDER_FRAME_HELPER_H_
 #define COMPONENTS_PRINTING_RENDERER_PRINT_RENDER_FRAME_HELPER_H_
 
 #include <memory>
 #include <vector>
 
@@ skipping 335 matching lines @@
       bool ignore_css_margins,
       double* scale_factor,
       PageSizeMargins* page_layout_in_points);
 
   // Return an array of pages to print given the print |params| and an expected
   // |page_count|. Page numbers are zero-based.
   static std::vector<int> GetPrintedPages(
       const PrintMsg_PrintPages_Params& params,
       int page_count);
 
-  // Given the |canvas| to draw on, prints the appropriate headers and footers
-  // to |canvas| using information from the remaining parameters.
+  // Helper function to find document type.
+  static SkiaDocumentType GetDocType(const PrintMsg_Print_Params& params);
+
+  // Given the |device| and |canvas| to draw on, prints the appropriate headers
+  // and footers using strings from |header_footer_info| on to the canvas.
   static void PrintHeaderAndFooter(blink::WebCanvas* canvas,
                                    int page_number,
                                    int total_pages,
                                    const blink::WebLocalFrame& source_frame,
                                    float webkit_scale_factor,
                                    const PageSizeMargins& page_layout_in_points,
                                    const PrintMsg_Print_Params& params);
 
   // Script Initiated Printing ------------------------------------------------
 
@@ skipping 58 matching lines @@
     // the |web_frame| / |web_node| to generate the print preview for.
     void InitWithFrame(blink::WebLocalFrame* web_frame);
     void InitWithNode(const blink::WebNode& web_node);
 
     // Does bookkeeping at the beginning of print preview.
     void OnPrintPreview();
 
     // Create the print preview document. |pages| is empty to print all pages.
     // Takes ownership of |prepared_frame|.
     bool CreatePreviewDocument(PrepareFrameAndViewForPrint* prepared_frame,
-                               const std::vector<int>& pages);
+                               const std::vector<int>& pages,
+                               SkiaDocumentType doc_type);
 
     // Called after a page gets rendered. |page_time| is how long the
     // rendering took.
     void RenderedPreviewPage(const base::TimeDelta& page_time);
 
     // Updates the print preview context when the required pages are rendered.
     void AllPagesRendered();
 
     // Finalizes the print ready preview document.
     void FinalizePrintReadyDocument();
@@ skipping 115 matching lines @@
   base::Closure on_stop_loading_closure_;
 
   base::WeakPtrFactory<PrintRenderFrameHelper> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(PrintRenderFrameHelper);
 };
 
 }  // namespace printing
 
 #endif  // COMPONENTS_PRINTING_RENDERER_PRINT_RENDER_FRAME_HELPER_H_