Move printing defines to buildflag system.

chrome/utility/printing_handler.h

 // Copyright 2014 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 CHROME_UTILITY_PRINTING_HANDLER_H_
 #define CHROME_UTILITY_PRINTING_HANDLER_H_
 
 #include "base/compiler_specific.h"
 #include "base/macros.h"
 #include "build/build_config.h"
 #include "chrome/utility/utility_message_handler.h"
 #include "ipc/ipc_platform_file.h"
+#include "printing/features/features.h"
 #include "printing/pdf_render_settings.h"
 
-#if !defined(ENABLE_PRINT_PREVIEW) && \
-    !(defined(ENABLE_BASIC_PRINTING) && defined(OS_WIN))
+#if !BUILDFLAG(ENABLE_PRINT_PREVIEW) && \
+    !(BUILDFLAG(ENABLE_BASIC_PRINTING) && defined(OS_WIN))
 #error "Windows basic printing or print preview must be enabled"
 #endif
 
 namespace printing {
 
 class PdfRenderSettings;
 struct PwgRasterSettings;
 struct PageRange;
 
 // Dispatches IPCs for printing.
 class PrintingHandler : public UtilityMessageHandler {
  public:
   PrintingHandler();
   ~PrintingHandler() override;
 
   // IPC::Listener:
   bool OnMessageReceived(const IPC::Message& message) override;
 
  private:
   // IPC message handlers.
 #if defined(OS_WIN)
   void OnRenderPDFPagesToMetafile(IPC::PlatformFileForTransit pdf_transit,
                                   const PdfRenderSettings& settings,
                                   bool print_text_with_gdi);
   void OnRenderPDFPagesToMetafileGetPage(
       int page_number,
       IPC::PlatformFileForTransit output_file);
   void OnRenderPDFPagesToMetafileStop();
 #endif  // OS_WIN
-#if defined(ENABLE_PRINT_PREVIEW)
+#if BUILDFLAG(ENABLE_PRINT_PREVIEW)
   void OnRenderPDFPagesToPWGRaster(IPC::PlatformFileForTransit pdf_transit,
                                    const PdfRenderSettings& settings,
                                    const PwgRasterSettings& bitmap_settings,
                                    IPC::PlatformFileForTransit bitmap_transit);
 #endif  // ENABLE_PRINT_PREVIEW
 
 #if defined(OS_WIN)
   int LoadPDF(base::File pdf_file);
   bool RenderPdfPageToMetafile(int page_number,
                                base::File output_file,
                                float* scale_factor);
 #endif  // OS_WIN
-#if defined(ENABLE_PRINT_PREVIEW)
+#if BUILDFLAG(ENABLE_PRINT_PREVIEW)
   bool RenderPDFPagesToPWGRaster(base::File pdf_file,
                                  const PdfRenderSettings& settings,
                                  const PwgRasterSettings& bitmap_settings,
                                  base::File bitmap_file);
 
   void OnGetPrinterCapsAndDefaults(const std::string& printer_name);
   void OnGetPrinterSemanticCapsAndDefaults(const std::string& printer_name);
 #endif  // ENABLE_PRINT_PREVIEW
 
 #if defined(OS_WIN)
   std::vector<char> pdf_data_;
   PdfRenderSettings pdf_rendering_settings_;
 #endif
 
   DISALLOW_COPY_AND_ASSIGN(PrintingHandler);
 };
 
 }  // namespace printing
 
 #endif  // CHROME_UTILITY_PRINTING_HANDLER_H_