Move printing defines to buildflag system.

components/printing/renderer/print_web_view_helper.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 <stdint.h>
 #include <string>
 #include <utility>
@@ skipping 11 matching lines @@
 #include "base/strings/utf_string_conversions.h"
 #include "base/threading/thread_task_runner_handle.h"
 #include "build/build_config.h"
 #include "components/printing/common/print_messages.h"
 #include "content/public/common/web_preferences.h"
 #include "content/public/renderer/render_frame.h"
 #include "content/public/renderer/render_thread.h"
 #include "content/public/renderer/render_view.h"
 #include "grit/components_resources.h"
 #include "net/base/escape.h"
+#include "printing/features/features.h"
 #include "printing/metafile_skia_wrapper.h"
 #include "printing/pdf_metafile_skia.h"
 #include "printing/units.h"
 #include "third_party/WebKit/public/platform/WebDoubleSize.h"
 #include "third_party/WebKit/public/platform/WebSecurityOrigin.h"
 #include "third_party/WebKit/public/platform/WebSize.h"
 #include "third_party/WebKit/public/platform/WebURLRequest.h"
 #include "third_party/WebKit/public/web/WebConsoleMessage.h"
 #include "third_party/WebKit/public/web/WebDocument.h"
 #include "third_party/WebKit/public/web/WebElement.h"
@@ skipping 35 matching lines @@
   PREVIEW_EVENT_CREATE_DOCUMENT,
   PREVIEW_EVENT_NEW_SETTINGS,  // Unused
   PREVIEW_EVENT_MAX,
 };
 
 const double kMinDpi = 1.0;
 
 // Also set in third_party/WebKit/Source/core/page/PrintContext.cpp
 const float kPrintingMinimumShrinkFactor = 1.333f;
 
-#if defined(ENABLE_PRINT_PREVIEW)
+#if BUILDFLAG(ENABLE_PRINT_PREVIEW)
 bool g_is_preview_enabled = true;
 
 const char kPageLoadScriptFormat[] =
     "document.open(); document.write(%s); document.close();";
 
 const char kPageSetupScriptFormat[] = "setup(%s);";
 
 void ExecuteScript(blink::WebFrame* frame,
                    const char* script_format,
                    const base::Value& parameters) {
   std::string json;
   base::JSONWriter::Write(parameters, &json);
   std::string script = base::StringPrintf(script_format, json.c_str());
   frame->executeScript(blink::WebString(base::UTF8ToUTF16(script)));
 }
 #else
 bool g_is_preview_enabled = false;
-#endif  // defined(ENABLE_PRINT_PREVIEW)
+#endif  // BUILDFLAG(ENABLE_PRINT_PREVIEW)
 
 int GetDPI(const PrintMsg_Print_Params* print_params) {
 #if defined(OS_MACOSX)
   // On the Mac, the printable area is in points, don't do any scaling based
   // on dpi.
   return kPointsPerInch;
 #else
   return static_cast<int>(print_params->dpi);
 #endif  // defined(OS_MACOSX)
 }
@@ skipping 195 matching lines @@
 }
 
 bool PrintingNodeOrPdfFrame(const blink::WebLocalFrame* frame,
                             const blink::WebNode& node) {
   if (!node.isNull())
     return true;
   blink::WebPlugin* plugin = GetPlugin(frame);
   return plugin && plugin->supportsPaginatedPrint();
 }
 
-#if defined(ENABLE_PRINT_PREVIEW)
+#if BUILDFLAG(ENABLE_PRINT_PREVIEW)
 // Returns true if the current destination printer is PRINT_TO_PDF.
 bool IsPrintToPdfRequested(const base::DictionaryValue& job_settings) {
   bool print_to_pdf = false;
   if (!job_settings.GetBoolean(kSettingPrintToPDF, &print_to_pdf))
     NOTREACHED();
   return print_to_pdf;
 }
 
 bool PrintingFrameHasPageSizeStyle(blink::WebLocalFrame* frame,
                                    int total_page_count) {
   if (!frame)
     return false;
   bool frame_has_custom_page_size_style = false;
   for (int i = 0; i < total_page_count; ++i) {
     if (frame->hasCustomPageSizeStyle(i)) {
       frame_has_custom_page_size_style = true;
       break;
     }
   }
   return frame_has_custom_page_size_style;
 }
-#endif  // defined(ENABLE_PRINT_PREVIEW)
+#endif  // BUILDFLAG(ENABLE_PRINT_PREVIEW)
 
 // Disable scaling when either:
 // - The PDF specifies disabling scaling.
 // - All the pages in the PDF are the same size,
 // - |ignore_page_size| is false and the uniform size is the same as the paper
 //   size.
 bool PDFShouldDisableScalingBasedOnPreset(
     const blink::WebPrintPresetOptions& options,
     const PrintMsg_Print_Params& params,
     bool ignore_page_size) {
@@ skipping 24 matching lines @@
                              const PrintMsg_Print_Params& params,
                              bool ignore_page_size) {
   const bool kDefaultPDFShouldDisableScalingSetting = true;
   blink::WebPrintPresetOptions preset_options;
   if (!frame->getPrintPresetOptionsForPlugin(node, &preset_options))
     return kDefaultPDFShouldDisableScalingSetting;
   return PDFShouldDisableScalingBasedOnPreset(preset_options, params,
                                               ignore_page_size);
 }
 
-#if defined(ENABLE_BASIC_PRINTING)
+#if BUILDFLAG(ENABLE_BASIC_PRINTING)
 MarginType GetMarginsForPdf(blink::WebLocalFrame* frame,
                             const blink::WebNode& node,
                             const PrintMsg_Print_Params& params) {
   return PDFShouldDisableScaling(frame, node, params, false) ?
       NO_MARGINS : PRINTABLE_AREA_MARGINS;
 }
 #endif
 
-#if defined(ENABLE_PRINT_PREVIEW)
+#if BUILDFLAG(ENABLE_PRINT_PREVIEW)
 bool FitToPageEnabled(const base::DictionaryValue& job_settings) {
   bool fit_to_paper_size = false;
   if (!job_settings.GetBoolean(kSettingFitToPageEnabled, &fit_to_paper_size)) {
     NOTREACHED();
   }
   return fit_to_paper_size;
 }
 
 // Returns the print scaling option to retain/scale/crop the source page size
 // to fit the printable area of the paper.
@@ skipping 22 matching lines @@
     if (!FitToPageEnabled(job_settings))
       return blink::WebPrintScalingOptionNone;
 
     bool no_plugin_scaling = PDFShouldDisableScaling(frame, node, params,
                                                      true);
     if (params.is_first_request && no_plugin_scaling)
       return blink::WebPrintScalingOptionNone;
   }
   return blink::WebPrintScalingOptionFitToPrintableArea;
 }
-#endif  // defined(ENABLE_PRINT_PREVIEW)
+#endif  // BUILDFLAG(ENABLE_PRINT_PREVIEW)
 
 // Helper function to scale and round an integer value with a double valued
 // scaling.
 int ScaleAndRound(int value, double scaling) {
   return static_cast<int>(static_cast<double>(value) / scaling);
 }
 
 // Helper function to scale the width and height of a gfx::Size by scaling.
 gfx::Size ScaleAndRoundSize(gfx::Size original, double scaling) {
   return gfx::Size(ScaleAndRound(original.width(), scaling),
@@ skipping 98 matching lines @@
     if (frame == frame_)
       return frame_;
   }
   return NULL;
 }
 
 blink::WebView* FrameReference::view() {
   return view_;
 }
 
-#if defined(ENABLE_PRINT_PREVIEW)
+#if BUILDFLAG(ENABLE_PRINT_PREVIEW)
 // static - Not anonymous so that platform implementations can use it.
 void PrintWebViewHelper::PrintHeaderAndFooter(
     blink::WebCanvas* canvas,
     int page_number,
     int total_pages,
     const blink::WebFrame& source_frame,
     float webkit_scale_factor,
     const PageSizeMargins& page_layout,
     const PrintMsg_Print_Params& params) {
   SkAutoCanvasRestore auto_restore(canvas, true);
@@ skipping 37 matching lines @@
 
   blink::WebPrintParams webkit_params(page_size);
   webkit_params.printerDPI = GetDPI(&params);
 
   frame->printBegin(webkit_params);
   frame->printPage(0, canvas);
   frame->printEnd();
 
   web_view->close();
 }
-#endif  // defined(ENABLE_PRINT_PREVIEW)
+#endif  // BUILDFLAG(ENABLE_PRINT_PREVIEW)
 
 // static - Not anonymous so that platform implementations can use it.
 float PrintWebViewHelper::RenderPageContent(blink::WebFrame* frame,
                                             int page_number,
                                             const gfx::Rect& canvas_area,
                                             const gfx::Rect& content_area,
                                             double scale_factor,
                                             blink::WebCanvas* canvas) {
   SkAutoCanvasRestore auto_restore(canvas, true);
   canvas->translate((content_area.x() - canvas_area.x()) / scale_factor,
@@ skipping 85 matching lines @@
       is_printing_started_(false),
       weak_ptr_factory_(this) {
   PrintMsg_Print_Params print_params = params;
   if (!should_print_selection_only_ ||
       !PrintingNodeOrPdfFrame(frame, node_to_print_)) {
     bool fit_to_page =
         ignore_css_margins && IsWebPrintScalingOptionFitToPage(print_params);
     ComputeWebKitPrintParamsInDesiredDpi(params, &web_print_params_);
     frame->printBegin(web_print_params_, node_to_print_);
     double scale_factor = 1.0f;
-#if defined(ENABLE_PRINT_PREVIEW)
+#if BUILDFLAG(ENABLE_PRINT_PREVIEW)
     if (print_params.scale_factor > 0)
       scale_factor = print_params.scale_factor;
 #endif
     print_params = CalculatePrintParamsForCss(
         frame, 0, print_params, ignore_css_margins, fit_to_page, &scale_factor);
     frame->printEnd();
   }
   ComputeWebKitPrintParamsInDesiredDpi(print_params, &web_print_params_);
 }
 
@@ skipping 211 matching lines @@
   if (delegate_->CancelPrerender(render_view(), routing_id()))
     return;
 
   if (!IsScriptInitiatedPrintAllowed(frame, user_initiated))
     return;
 
   if (delegate_->OverridePrint(frame))
     return;
 
   if (g_is_preview_enabled) {
-#if defined(ENABLE_PRINT_PREVIEW)
+#if BUILDFLAG(ENABLE_PRINT_PREVIEW)
     print_preview_context_.InitWithFrame(frame);
     RequestPrintPreview(PRINT_PREVIEW_SCRIPTED);
 #endif
   } else {
-#if defined(ENABLE_BASIC_PRINTING)
+#if BUILDFLAG(ENABLE_BASIC_PRINTING)
     Print(frame, blink::WebNode(), true);
 #endif
   }
 }
 
 bool PrintWebViewHelper::OnMessageReceived(const IPC::Message& message) {
   // The class is not designed to handle recursive messages. This is not
   // expected during regular flow. However, during rendering of content for
   // printing, lower level code may run nested message loop. E.g. PDF may has
   // script to show message box http://crbug.com/502562. In that moment browser
   // may receive updated printer capabilities and decide to restart print
   // preview generation. When this happened message handling function may
   // choose to ignore message or safely crash process.
   ++ipc_nesting_level_;
 
   bool handled = true;
   IPC_BEGIN_MESSAGE_MAP(PrintWebViewHelper, message)
-#if defined(ENABLE_BASIC_PRINTING)
+#if BUILDFLAG(ENABLE_BASIC_PRINTING)
     IPC_MESSAGE_HANDLER(PrintMsg_PrintPages, OnPrintPages)
     IPC_MESSAGE_HANDLER(PrintMsg_PrintForSystemDialog, OnPrintForSystemDialog)
-#endif  // defined(ENABLE_BASIC_PRINTING)
-#if defined(ENABLE_BASIC_PRINTING) && defined(ENABLE_PRINT_PREVIEW)
+#endif  // BUILDFLAG(ENABLE_BASIC_PRINTING)
+#if BUILDFLAG(ENABLE_BASIC_PRINTING) && BUILDFLAG(ENABLE_PRINT_PREVIEW)
     IPC_MESSAGE_HANDLER(PrintMsg_PrintForPrintPreview, OnPrintForPrintPreview)
 #endif
-#if defined(ENABLE_PRINT_PREVIEW)
+#if BUILDFLAG(ENABLE_PRINT_PREVIEW)
     IPC_MESSAGE_HANDLER(PrintMsg_InitiatePrintPreview, OnInitiatePrintPreview)
     IPC_MESSAGE_HANDLER(PrintMsg_PrintPreview, OnPrintPreview)
     IPC_MESSAGE_HANDLER(PrintMsg_PrintingDone, OnPrintingDone)
-#endif  // defined(ENABLE_PRINT_PREVIEW)
+#endif  // BUILDFLAG(ENABLE_PRINT_PREVIEW)
     IPC_MESSAGE_HANDLER(PrintMsg_SetScriptedPrintingBlocked,
                         SetScriptedPrintBlocked)
     IPC_MESSAGE_UNHANDLED(handled = false)
   IPC_END_MESSAGE_MAP()
 
   --ipc_nesting_level_;
   return handled;
 }
 
 void PrintWebViewHelper::OnDestruct() {
   delete this;
 }
 
 bool PrintWebViewHelper::GetPrintFrame(blink::WebLocalFrame** frame) {
   DCHECK(frame);
   blink::WebView* webView = render_view()->GetWebView();
   DCHECK(webView);
   if (!webView)
     return false;
 
   // If the user has selected text in the currently focused frame we print
   // only that frame (this makes print selection work for multiple frames).
   blink::WebLocalFrame* focusedFrame = webView->focusedFrame();
   *frame = focusedFrame->hasSelection()
                ? focusedFrame
                : webView->mainFrame()->toWebLocalFrame();
   return true;
 }
 
-#if defined(ENABLE_BASIC_PRINTING)
+#if BUILDFLAG(ENABLE_BASIC_PRINTING)
 void PrintWebViewHelper::OnPrintPages() {
   if (ipc_nesting_level_> 1)
     return;
   blink::WebLocalFrame* frame;
   if (!GetPrintFrame(&frame))
     return;
   // If we are printing a PDF extension frame, find the plugin node and print
   // that instead.
   auto plugin = delegate_->GetPdfElement(frame);
   Print(frame, plugin, false);
 }
 
 void PrintWebViewHelper::OnPrintForSystemDialog() {
   if (ipc_nesting_level_> 1)
     return;
   blink::WebLocalFrame* frame = print_preview_context_.source_frame();
   if (!frame) {
     NOTREACHED();
     return;
   }
   Print(frame, print_preview_context_.source_node(), false);
 }
-#endif  // defined(ENABLE_BASIC_PRINTING)
+#endif  // BUILDFLAG(ENABLE_BASIC_PRINTING)
 
-#if defined(ENABLE_BASIC_PRINTING) && defined(ENABLE_PRINT_PREVIEW)
+#if BUILDFLAG(ENABLE_BASIC_PRINTING) && BUILDFLAG(ENABLE_PRINT_PREVIEW)
 void PrintWebViewHelper::OnPrintForPrintPreview(
     const base::DictionaryValue& job_settings) {
   CHECK_LE(ipc_nesting_level_, 1);
   // If still not finished with earlier print request simply ignore.
   if (prep_frame_view_)
     return;
 
   if (!render_view()->GetWebView())
     return;
   blink::WebFrame* main_frame = render_view()->GetWebView()->mainFrame();
@@ skipping 44 matching lines @@
   // See http://crbug.com/123408
   PrintMsg_Print_Params& print_params = print_pages_params_->params;
   print_params.printable_area = gfx::Rect(print_params.page_size);
 
   // Render Pages for printing.
   if (!RenderPagesForPrint(plugin_frame, plugin_element)) {
     LOG(ERROR) << "RenderPagesForPrint failed";
     DidFinishPrinting(FAIL_PRINT);
   }
 }
-#endif  // defined(ENABLE_BASIC_PRINTING) && defined(ENABLE_PRINT_PREVIEW)
+#endif  // BUILDFLAG(ENABLE_BASIC_PRINTING) && BUILDFLAG(ENABLE_PRINT_PREVIEW)
 
 void PrintWebViewHelper::GetPageSizeAndContentAreaFromPageLayout(
     const PageSizeMargins& page_layout_in_points,
     gfx::Size* page_size,
     gfx::Rect* content_area) {
   *page_size = gfx::Size(
       page_layout_in_points.content_width + page_layout_in_points.margin_right +
           page_layout_in_points.margin_left,
       page_layout_in_points.content_height + page_layout_in_points.margin_top +
           page_layout_in_points.margin_bottom);
   *content_area = gfx::Rect(page_layout_in_points.margin_left,
                             page_layout_in_points.margin_top,
                             page_layout_in_points.content_width,
                             page_layout_in_points.content_height);
 }
 
 void PrintWebViewHelper::UpdateFrameMarginsCssInfo(
     const base::DictionaryValue& settings) {
   int margins_type = 0;
   if (!settings.GetInteger(kSettingMarginsType, &margins_type))
     margins_type = DEFAULT_MARGINS;
   ignore_css_margins_ = (margins_type != DEFAULT_MARGINS);
 }
 
-#if defined(ENABLE_PRINT_PREVIEW)
+#if BUILDFLAG(ENABLE_PRINT_PREVIEW)
 void PrintWebViewHelper::OnPrintPreview(const base::DictionaryValue& settings) {
   if (ipc_nesting_level_ > 1)
     return;
 
   print_preview_context_.OnPrintPreview();
 
   UMA_HISTOGRAM_ENUMERATION("PrintPreview.PreviewEvent",
                             PREVIEW_EVENT_REQUESTED, PREVIEW_EVENT_MAX);
 
   if (!print_preview_context_.source_frame()) {
@@ skipping 164 matching lines @@
       DCHECK(print_preview_context_.IsModifiable() ||
              print_preview_context_.IsFinalPageRendered());
       if (!FinalizePrintReadyDocument())
         return false;
     }
   }
   print_preview_context_.Finished();
   return true;
 }
 
-#if !defined(OS_MACOSX) && defined(ENABLE_PRINT_PREVIEW)
+#if !defined(OS_MACOSX) && BUILDFLAG(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;
   std::unique_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(PDF_SKIA_DOCUMENT_TYPE));
     initial_render_metafile = draft_metafile.get();
   }
 
   base::TimeTicks begin_time = base::TimeTicks::Now();
   PrintPageInternal(page_params, print_preview_context_.prepared_frame(),
                     initial_render_metafile, nullptr, nullptr);
   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(
             PDF_SKIA_DOCUMENT_TYPE);
   }
   return PreviewPageRendered(page_number, draft_metafile.get());
 }
-#endif  // !defined(OS_MACOSX) && defined(ENABLE_PRINT_PREVIEW)
+#endif  // !defined(OS_MACOSX) && BUILDFLAG(ENABLE_PRINT_PREVIEW)
 
 bool PrintWebViewHelper::FinalizePrintReadyDocument() {
   DCHECK(!is_print_ready_metafile_sent_);
   print_preview_context_.FinalizePrintReadyDocument();
 
   PdfMetafileSkia* metafile = print_preview_context_.metafile();
   PrintHostMsg_DidPreviewDocument_Params preview_params;
 
   // Ask the browser to create the shared memory for us.
   if (!CopyMetafileDataToSharedMem(*metafile,
                                    &(preview_params.metafile_data_handle))) {
     LOG(ERROR) << "CopyMetafileDataToSharedMem failed";
     print_preview_context_.set_error(PREVIEW_ERROR_METAFILE_COPY_FAILED);
     return false;
   }
 
   preview_params.data_size = metafile->GetDataSize();
   preview_params.document_cookie = print_pages_params_->params.document_cookie;
   preview_params.expected_pages_count =
       print_preview_context_.total_page_count();
   preview_params.modifiable = print_preview_context_.IsModifiable();
   preview_params.preview_request_id =
       print_pages_params_->params.preview_request_id;
 
   is_print_ready_metafile_sent_ = true;
 
   Send(new PrintHostMsg_MetafileReadyForPrinting(routing_id(), preview_params));
   return true;
 }
-#endif  // defined(ENABLE_PRINT_PREVIEW)
+#endif  // BUILDFLAG(ENABLE_PRINT_PREVIEW)
 
 void PrintWebViewHelper::OnPrintingDone(bool success) {
   if (ipc_nesting_level_ > 1)
     return;
   notify_browser_of_print_failure_ = false;
   if (!success)
     LOG(ERROR) << "Failure in OnPrintingDone";
   DidFinishPrinting(success ? OK : FAIL_PRINT);
 }
 
 void PrintWebViewHelper::SetScriptedPrintBlocked(bool blocked) {
   is_scripted_printing_blocked_ = blocked;
 }
 
-#if defined(ENABLE_PRINT_PREVIEW)
+#if BUILDFLAG(ENABLE_PRINT_PREVIEW)
 void PrintWebViewHelper::OnInitiatePrintPreview(bool selection_only) {
   if (ipc_nesting_level_ > 1)
     return;
   blink::WebLocalFrame* frame = NULL;
   GetPrintFrame(&frame);
   DCHECK(frame);
   // If we are printing a PDF extension frame, find the plugin node and print
   // that instead.
   auto plugin = delegate_->GetPdfElement(frame);
   if (!plugin.isNull()) {
@@ skipping 25 matching lines @@
     // from ppapi plugins. It's a rare case, so its OK to just fail here.
     // See http://crbug.com/159165.
     return;
   }
 
   print_node_in_progress_ = true;
 
   // Make a copy of the node, in case RenderView::OnContextMenuClosed resets
   // its |context_menu_node_|.
   if (g_is_preview_enabled) {
-#if defined(ENABLE_PRINT_PREVIEW)
+#if BUILDFLAG(ENABLE_PRINT_PREVIEW)
     print_preview_context_.InitWithNode(node);
     RequestPrintPreview(PRINT_PREVIEW_USER_INITIATED_CONTEXT_NODE);
 #endif
   } else {
-#if defined(ENABLE_BASIC_PRINTING)
+#if BUILDFLAG(ENABLE_BASIC_PRINTING)
     blink::WebNode duplicate_node(node);
     Print(duplicate_node.document().frame(), duplicate_node, false);
 #endif
   }
 
   print_node_in_progress_ = false;
 }
 
-#if defined(ENABLE_BASIC_PRINTING)
+#if BUILDFLAG(ENABLE_BASIC_PRINTING)
 void PrintWebViewHelper::Print(blink::WebLocalFrame* frame,
                                const blink::WebNode& node,
                                bool is_scripted) {
   // If still not finished with earlier print request simply ignore.
   if (prep_frame_view_)
     return;
 
   FrameReference frame_ref(frame);
 
   int expected_page_count = 0;
@@ skipping 16 matching lines @@
     return;
   }
 
   // Render Pages for printing.
   if (!RenderPagesForPrint(frame_ref.GetFrame(), node)) {
     LOG(ERROR) << "RenderPagesForPrint failed";
     DidFinishPrinting(FAIL_PRINT);
   }
   scripting_throttler_.Reset();
 }
-#endif  // defined(ENABLE_BASIC_PRINTING)
+#endif  // BUILDFLAG(ENABLE_BASIC_PRINTING)
 
 void PrintWebViewHelper::DidFinishPrinting(PrintingResult result) {
   switch (result) {
     case OK:
       break;
 
     case FAIL_PRINT_INIT:
       DCHECK(!notify_browser_of_print_failure_);
       break;
 
     case FAIL_PRINT:
       if (notify_browser_of_print_failure_ && print_pages_params_) {
         int cookie = print_pages_params_->params.document_cookie;
         Send(new PrintHostMsg_PrintingFailed(routing_id(), cookie));
       }
       break;
 
-#if defined(ENABLE_PRINT_PREVIEW)
+#if BUILDFLAG(ENABLE_PRINT_PREVIEW)
     case FAIL_PREVIEW:
       int cookie =
           print_pages_params_ ? print_pages_params_->params.document_cookie : 0;
       if (notify_browser_of_print_failure_) {
         LOG(ERROR) << "CreatePreviewDocument failed";
         Send(new PrintHostMsg_PrintPreviewFailed(routing_id(), cookie));
       } else {
         Send(new PrintHostMsg_PrintPreviewCancelled(routing_id(), cookie));
       }
       print_preview_context_.Failed(notify_browser_of_print_failure_);
       break;
-#endif  // defined(ENABLE_PRINT_PREVIEW)
+#endif  // BUILDFLAG(ENABLE_PRINT_PREVIEW)
   }
   prep_frame_view_.reset();
   print_pages_params_.reset();
   notify_browser_of_print_failure_ = true;
 }
 
-#if defined(ENABLE_BASIC_PRINTING)
+#if BUILDFLAG(ENABLE_BASIC_PRINTING)
 void PrintWebViewHelper::OnFramePreparedForPrintPages() {
   PrintPages();
   FinishFramePrinting();
 }
 
 void PrintWebViewHelper::PrintPages() {
   if (!prep_frame_view_)  // Printing is already canceled or failed.
     return;
 
   prep_frame_view_->StartPrinting();
@@ skipping 23 matching lines @@
 
   if (!PrintPagesNative(prep_frame_view_->frame(), page_count)) {
     LOG(ERROR) << "Printing failed.";
     return DidFinishPrinting(FAIL_PRINT);
   }
 }
 
 void PrintWebViewHelper::FinishFramePrinting() {
   prep_frame_view_.reset();
 }
-#endif  // defined(ENABLE_BASIC_PRINTING)
+#endif  // BUILDFLAG(ENABLE_BASIC_PRINTING)
 
 // static - Not anonymous so that platform implementations can use it.
 void PrintWebViewHelper::ComputePageLayoutInPointsForCss(
     blink::WebLocalFrame* frame,
     int page_index,
     const PrintMsg_Print_Params& page_params,
     bool ignore_css_margins,
     double* scale_factor,
     PageSizeMargins* page_layout_in_points) {
   double input_scale_factor = *scale_factor;
@@ skipping 60 matching lines @@
   }
 
   const PrintMsg_Print_Params& params = print_pages_params_->params;
   PrepareFrameAndViewForPrint prepare(params, frame, node, ignore_css_margins_);
   prepare.StartPrinting();
 
   *number_of_pages = prepare.GetExpectedPageCount();
   return true;
 }
 
-#if defined(ENABLE_PRINT_PREVIEW)
+#if BUILDFLAG(ENABLE_PRINT_PREVIEW)
 bool PrintWebViewHelper::SetOptionsFromPdfDocument(
     PrintHostMsg_SetOptionsFromDocument_Params* options) {
   blink::WebLocalFrame* source_frame = print_preview_context_.source_frame();
   const blink::WebNode& source_node = print_preview_context_.source_node();
 
   blink::WebPrintPresetOptions preset_options;
   if (!source_frame->getPrintPresetOptionsForPlugin(source_node,
                                                     &preset_options)) {
     return false;
   }
@@ skipping 88 matching lines @@
     if (!print_for_preview_)
       print_preview_context_.set_error(PREVIEW_ERROR_INVALID_PRINTER_SETTINGS);
     else
       Send(new PrintHostMsg_ShowInvalidPrinterSettingsError(routing_id()));
 
     return false;
   }
 
   return true;
 }
-#endif  // defined(ENABLE_PRINT_PREVIEW)
+#endif  // BUILDFLAG(ENABLE_PRINT_PREVIEW)
 
-#if defined(ENABLE_BASIC_PRINTING)
+#if BUILDFLAG(ENABLE_BASIC_PRINTING)
 bool PrintWebViewHelper::GetPrintSettingsFromUser(blink::WebLocalFrame* frame,
                                                   const blink::WebNode& node,
                                                   int expected_pages_count,
                                                   bool is_scripted) {
   PrintHostMsg_ScriptedPrint_Params params;
   PrintMsg_PrintPages_Params print_settings;
 
   params.cookie = print_pages_params_->params.document_cookie;
   params.has_selection = frame->hasSelection();
   params.expected_pages_count = expected_pages_count;
@@ skipping 33 matching lines @@
   prep_frame_view_.reset(new PrepareFrameAndViewForPrint(
       print_params, frame, node, ignore_css_margins_));
   DCHECK(!print_pages_params_->params.selection_only ||
          print_pages_params_->pages.empty());
   prep_frame_view_->CopySelectionIfNeeded(
       render_view()->GetWebkitPreferences(),
       base::Bind(&PrintWebViewHelper::OnFramePreparedForPrintPages,
                  base::Unretained(this)));
   return true;
 }
-#endif  // defined(ENABLE_BASIC_PRINTING)
+#endif  // BUILDFLAG(ENABLE_BASIC_PRINTING)
 
 #if !defined(OS_MACOSX)
 void PrintWebViewHelper::PrintPageInternal(
     const PrintMsg_PrintPage_Params& params,
     blink::WebLocalFrame* frame,
     PdfMetafileSkia* metafile,
     gfx::Size* page_size_in_dpi,
     gfx::Rect* content_area_in_dpi) {
   PageSizeMargins page_layout_in_points;
 
   double css_scale_factor = 1.0f;
-#if defined(ENABLE_PRINT_PREVIEW)
+#if BUILDFLAG(ENABLE_PRINT_PREVIEW)
     if (params.params.scale_factor > 0)
       css_scale_factor = params.params.scale_factor;
 #endif
   ComputePageLayoutInPointsForCss(frame, params.page_number, params.params,
                                   ignore_css_margins_, &css_scale_factor,
                                   &page_layout_in_points);
   gfx::Size page_size;
   gfx::Rect content_area;
   GetPageSizeAndContentAreaFromPageLayout(page_layout_in_points, &page_size,
                                           &content_area);
@@ skipping 25 matching lines @@
   float scale_factor = css_scale_factor;
 #endif
 
   SkCanvas* canvas = metafile->GetVectorCanvasForNewPage(
       page_size, canvas_area, scale_factor);
   if (!canvas)
     return;
 
   MetafileSkiaWrapper::SetMetafileOnCanvas(*canvas, metafile);
 
-#if defined(ENABLE_PRINT_PREVIEW)
+#if BUILDFLAG(ENABLE_PRINT_PREVIEW)
   if (params.params.display_header_footer) {
     // TODO(thestig): Figure out why Linux needs this. It is almost certainly
     // |printingMinimumShrinkFactor| from Blink.
 #if defined(OS_WIN)
     const float fudge_factor = 1;
 #else
     const float fudge_factor = kPrintingMinimumShrinkFactor;
 #endif
     // |page_number| is 0-based, so 1 is added.
     PrintHeaderAndFooter(canvas, params.page_number + 1,
                          print_preview_context_.total_page_count(), *frame,
                          scale_factor / fudge_factor, page_layout_in_points,
                          params.params);
   }
-#endif  // defined(ENABLE_PRINT_PREVIEW)
+#endif  // BUILDFLAG(ENABLE_PRINT_PREVIEW)
 
   float webkit_scale_factor =
       RenderPageContent(frame, params.page_number, canvas_area, content_area,
                         scale_factor, canvas);
   DCHECK_GT(webkit_scale_factor, 0.0f);
 
   // Done printing. Close the canvas to retrieve the compiled metafile.
   if (!metafile->FinishPage())
     NOTREACHED() << "metafile failed";
 }
@@ skipping 15 matching lines @@
     return false;
 
   if (!metafile.GetData(shared_buf->memory(), buf_size))
     return false;
 
   *shared_mem_handle =
       base::SharedMemory::DuplicateHandle(shared_buf->handle());
   return true;
 }
 
-#if defined(ENABLE_PRINT_PREVIEW)
+#if BUILDFLAG(ENABLE_PRINT_PREVIEW)
 void PrintWebViewHelper::ShowScriptedPrintPreview() {
   if (is_scripted_preview_delayed_) {
     is_scripted_preview_delayed_ = false;
     Send(new PrintHostMsg_ShowScriptedPrintPreview(
         routing_id(), print_preview_context_.IsModifiable()));
   }
 }
 
 void PrintWebViewHelper::RequestPrintPreview(PrintPreviewRequestType type) {
   const bool is_modifiable = print_preview_context_.IsModifiable();
@@ skipping 107 matching lines @@
     return false;
   }
   preview_page_params.data_size = metafile->GetDataSize();
   preview_page_params.page_number = page_number;
   preview_page_params.preview_request_id =
       print_pages_params_->params.preview_request_id;
 
   Send(new PrintHostMsg_DidPreviewPage(routing_id(), preview_page_params));
   return true;
 }
-#endif  // defined(ENABLE_PRINT_PREVIEW)
+#endif  // BUILDFLAG(ENABLE_PRINT_PREVIEW)
 
 PrintWebViewHelper::PrintPreviewContext::PrintPreviewContext()
     : total_page_count_(0),
       current_page_index_(0),
       generate_draft_pages_(true),
       print_ready_metafile_page_count_(0),
       error_(PREVIEW_ERROR_NONE),
       state_(UNINITIALIZED) {
 }
 
@@ skipping 267 matching lines @@
       blink::WebConsoleMessage::LevelWarning, message));
   return false;
 }
 
 void PrintWebViewHelper::ScriptingThrottler::Reset() {
   // Reset counter on successful print.
   count_ = 0;
 }
 
 }  // namespace printing