Mark printing code as basic printing and/or print preview code.

components/printing/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 "components/printing/renderer/print_web_view_helper.h"
 
 #include <stddef.h>
 
 #include "base/logging.h"
 #include "base/memory/scoped_ptr.h"
 #include "build/build_config.h"
 #include "components/printing/common/print_messages.h"
 #include "content/public/renderer/render_thread.h"
 #include "printing/metafile_skia_wrapper.h"
 #include "printing/page_size_margins.h"
 #include "printing/pdf_metafile_skia.h"
 #include "third_party/WebKit/public/web/WebLocalFrame.h"
 
-#if defined(OS_CHROMEOS) || defined(OS_ANDROID)
+#if defined(OS_ANDROID)
 #include "base/file_descriptor_posix.h"
 #else
 #include "base/process/process_handle.h"
-#endif  // defined(OS_CHROMEOS) || defined(OS_ANDROID)
+#endif  // defined(OS_ANDROID)
 
 namespace printing {
 
-using blink::WebFrame;
-
+#if defined(ENABLE_PRINT_PREVIEW)
 bool PrintWebViewHelper::RenderPreviewPage(
     int page_number,
     const PrintMsg_Print_Params& print_params) {
   PrintMsg_PrintPage_Params page_params;
   page_params.params = print_params;
   page_params.page_number = page_number;
   scoped_ptr<PdfMetafileSkia> draft_metafile;
   PdfMetafileSkia* initial_render_metafile = print_preview_context_.metafile();
   if (print_preview_context_.IsModifiable() && is_print_ready_metafile_sent_) {
     draft_metafile.reset(new PdfMetafileSkia);
     initial_render_metafile = draft_metafile.get();
   }
 
   base::TimeTicks begin_time = base::TimeTicks::Now();
   PrintPageInternal(page_params,
                     print_preview_context_.prepared_frame(),
                     initial_render_metafile);
   print_preview_context_.RenderedPreviewPage(
       base::TimeTicks::Now() - begin_time);
   if (draft_metafile.get()) {
     draft_metafile->FinishDocument();
   } else if (print_preview_context_.IsModifiable() &&
              print_preview_context_.generate_draft_pages()) {
     DCHECK(!draft_metafile.get());
     draft_metafile =
         print_preview_context_.metafile()->GetMetafileForCurrentPage();
   }
   return PreviewPageRendered(page_number, draft_metafile.get());
 }
+#endif
 
+#if defined(ENABLE_BASIC_PRINTING)
 bool PrintWebViewHelper::PrintPagesNative(blink::WebFrame* frame,
                                           int page_count) {
   PdfMetafileSkia metafile;
   if (!metafile.Init())
     return false;
 
   const PrintMsg_PrintPages_Params& params = *print_pages_params_;
   std::vector<int> printed_pages = GetPrintedPages(params, page_count);
   if (printed_pages.empty())
     return false;
 
   PrintMsg_PrintPage_Params page_params;
   page_params.params = params.params;
   for (int page_number : printed_pages) {
     page_params.page_number = page_number;
     PrintPageInternal(page_params, frame, &metafile);
   }
 
   // blink::printEnd() for PDF should be called before metafile is closed.
   FinishFramePrinting();
 
   metafile.FinishDocument();
 
-#if defined(OS_CHROMEOS)
-  NOTREACHED();
-  return false;
-#elif defined(OS_ANDROID)
+#if defined(OS_ANDROID)
   int sequence_number = -1;
   base::FileDescriptor fd;
 
   // Ask the browser to open a file for us.
   Send(new PrintHostMsg_AllocateTempFileForPrinting(routing_id(),
                                                     &fd,
                                                     &sequence_number));
   if (!metafile.SaveToFD(fd))
     return false;
 
@@ skipping 12 matching lines @@
   printed_page_params.data_size = metafile.GetDataSize();
   printed_page_params.document_cookie = params.params.document_cookie;
 
   for (size_t i = 0; i < printed_pages.size(); ++i) {
     printed_page_params.page_number = printed_pages[i];
     Send(new PrintHostMsg_DidPrintPage(routing_id(), printed_page_params));
     // Send the rest of the pages with an invalid metafile handle.
     printed_page_params.metafile_data_handle.fd = -1;
   }
   return true;
-#endif  // defined(OS_CHROMEOS)
+#endif  // defined(OS_ANDROID)
 }
+#endif  // defined(ENABLE_BASIC_PRINTING)
 
 void PrintWebViewHelper::PrintPageInternal(
     const PrintMsg_PrintPage_Params& params,
-    WebFrame* frame,
+    blink::WebFrame* frame,
     PdfMetafileSkia* metafile) {
   PageSizeMargins page_layout_in_points;
   double scale_factor = 1.0f;
   ComputePageLayoutInPointsForCss(frame, params.page_number, params.params,
                                   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);
@@ skipping 20 matching lines @@
 
   RenderPageContent(frame, params.page_number, canvas_area, content_area,
                     scale_factor, canvas);
 
   // Done printing. Close the canvas to retrieve the compiled metafile.
   if (!metafile->FinishPage())
     NOTREACHED() << "metafile failed";
 }
 
 }  // namespace printing