Move printing defines to buildflag system.

components/printing/renderer/print_web_view_helper.h

Index: components/printing/renderer/print_web_view_helper.h
diff --git a/components/printing/renderer/print_web_view_helper.h b/components/printing/renderer/print_web_view_helper.h
index dd8d24d5b42458d47c615562d768d84f8d291e8f..295de64afd2bfa99efbc2acfef0ae1495eab7e50 100644
--- a/components/printing/renderer/print_web_view_helper.h
+++ b/components/printing/renderer/print_web_view_helper.h
@@ -17,6 +17,7 @@
 #include "build/build_config.h"
 #include "content/public/renderer/render_view_observer.h"
 #include "content/public/renderer/render_view_observer_tracker.h"
+#include "printing/features/features.h"
 #include "printing/pdf_metafile_skia.h"
 #include "third_party/WebKit/public/platform/WebCanvas.h"
 #include "third_party/WebKit/public/web/WebNode.h"
@@ -138,7 +139,7 @@ class PrintWebViewHelper
     OK,
     FAIL_PRINT_INIT,
     FAIL_PRINT,
-#if defined(ENABLE_PRINT_PREVIEW)
+#if BUILDFLAG(ENABLE_PRINT_PREVIEW)
     FAIL_PREVIEW,
 #endif
   };
@@ -170,15 +171,15 @@ class PrintWebViewHelper
   void OnDestruct() override;
 
   // Message handlers ---------------------------------------------------------
-#if defined(ENABLE_BASIC_PRINTING)
+#if BUILDFLAG(ENABLE_BASIC_PRINTING)
   void OnPrintPages();
   void OnPrintForSystemDialog();
   void OnPrintForPrintPreview(const base::DictionaryValue& job_settings);
-#endif  // defined(ENABLE_BASIC_PRINTING)
-#if defined(ENABLE_PRINT_PREVIEW)
+#endif  // BUILDFLAG(ENABLE_BASIC_PRINTING)
+#if BUILDFLAG(ENABLE_PRINT_PREVIEW)
   void OnInitiatePrintPreview(bool selection_only);
   void OnPrintPreview(const base::DictionaryValue& settings);
-#endif  // defined(ENABLE_PRINT_PREVIEW)
+#endif  // BUILDFLAG(ENABLE_PRINT_PREVIEW)
   void OnPrintingDone(bool success);
 
   // Get |page_size| and |content_area| information from
@@ -191,7 +192,7 @@ class PrintWebViewHelper
   // Update |ignore_css_margins_| based on settings.
   void UpdateFrameMarginsCssInfo(const base::DictionaryValue& settings);
 
-#if defined(ENABLE_PRINT_PREVIEW)
+#if BUILDFLAG(ENABLE_PRINT_PREVIEW)
   // Prepare frame for creating preview document.
   void PrepareFrameForPreviewDocument();
 
@@ -208,7 +209,7 @@ class PrintWebViewHelper
 
   // Finalize the print ready preview document.
   bool FinalizePrintReadyDocument();
-#endif  // defined(ENABLE_PRINT_PREVIEW)
+#endif  // BUILDFLAG(ENABLE_PRINT_PREVIEW)
 
   // Enable/Disable window.print calls.  If |blocked| is true window.print
   // calls will silently fail.  Call with |blocked| set to false to reenable.
@@ -216,12 +217,12 @@ class PrintWebViewHelper
 
   // Main printing code -------------------------------------------------------
 
-#if defined(ENABLE_BASIC_PRINTING)
+#if BUILDFLAG(ENABLE_BASIC_PRINTING)
   // |is_scripted| should be true when the call is coming from window.print()
   void Print(blink::WebLocalFrame* frame,
              const blink::WebNode& node,
              bool is_scripted);
-#endif  // defined(ENABLE_BASIC_PRINTING)
+#endif  // BUILDFLAG(ENABLE_BASIC_PRINTING)
 
   // Notification when printing is done - signal tear-down/free resources.
   void DidFinishPrinting(PrintingResult result);
@@ -237,7 +238,7 @@ class PrintWebViewHelper
                               const blink::WebNode& node,
                               int* number_of_pages);
 
-#if defined(ENABLE_PRINT_PREVIEW)
+#if BUILDFLAG(ENABLE_PRINT_PREVIEW)
   // Set options for print preset from source PDF document.
   bool SetOptionsFromPdfDocument(
       PrintHostMsg_SetOptionsFromDocument_Params* options);
@@ -248,7 +249,7 @@ class PrintWebViewHelper
   bool UpdatePrintSettings(blink::WebLocalFrame* frame,
                            const blink::WebNode& node,
                            const base::DictionaryValue& passed_job_settings);
-#endif  // defined(ENABLE_PRINT_PREVIEW)
+#endif  // BUILDFLAG(ENABLE_PRINT_PREVIEW)
 
   // Get final print settings from the user.
   // Return false if the user cancels or on error.
@@ -259,7 +260,7 @@ class PrintWebViewHelper
 
   // Page Printing / Rendering ------------------------------------------------
 
-#if defined(ENABLE_BASIC_PRINTING)
+#if BUILDFLAG(ENABLE_BASIC_PRINTING)
   void OnFramePreparedForPrintPages();
   void PrintPages();
   bool PrintPagesNative(blink::WebLocalFrame* frame, int page_count);
@@ -267,7 +268,7 @@ class PrintWebViewHelper
   // Render the frame for printing.
   bool RenderPagesForPrint(blink::WebLocalFrame* frame,
                            const blink::WebNode& node);
-#endif  // defined(ENABLE_BASIC_PRINTING)
+#endif  // BUILDFLAG(ENABLE_BASIC_PRINTING)
 
   // Prints the page listed in |params|.
 #if defined(OS_MACOSX)
@@ -323,7 +324,7 @@ class PrintWebViewHelper
       const PrintMsg_PrintPages_Params& params,
       int page_count);
 
-#if defined(ENABLE_PRINT_PREVIEW)
+#if BUILDFLAG(ENABLE_PRINT_PREVIEW)
   // 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,
@@ -333,7 +334,7 @@ class PrintWebViewHelper
                                    float webkit_scale_factor,
                                    const PageSizeMargins& page_layout_in_points,
                                    const PrintMsg_Print_Params& params);
-#endif  // defined(ENABLE_PRINT_PREVIEW)
+#endif  // BUILDFLAG(ENABLE_PRINT_PREVIEW)
 
   bool GetPrintFrame(blink::WebLocalFrame** frame);
 
@@ -345,7 +346,7 @@ class PrintWebViewHelper
   bool IsScriptInitiatedPrintAllowed(blink::WebFrame* frame,
                                      bool user_initiated);
 
-#if defined(ENABLE_PRINT_PREVIEW)
+#if BUILDFLAG(ENABLE_PRINT_PREVIEW)
   // Shows scripted print preview when options from plugin are available.
   void ShowScriptedPrintPreview();
 
@@ -361,7 +362,7 @@ class PrintWebViewHelper
   // |metafile| is the rendered page. Otherwise |metafile| is NULL.
   // Returns true if print preview should continue, false on failure.
   bool PreviewPageRendered(int page_number, PdfMetafileSkia* metafile);
-#endif  // defined(ENABLE_PRINT_PREVIEW)
+#endif  // BUILDFLAG(ENABLE_PRINT_PREVIEW)
 
   void SetPrintPagesParams(const PrintMsg_PrintPages_Params& settings);