cef/patch/patches/print_header_footer_1478_1565.patch

diff --git chrome/browser/ui/cocoa/applescript/tab_applescript.mm chrome/browser/ui/cocoa/applescript/tab_applescript.mm
index 0cd84f3..2f872dd 100644
--- chrome/browser/ui/cocoa/applescript/tab_applescript.mm
+++ chrome/browser/ui/cocoa/applescript/tab_applescript.mm
@@ -9,7 +9,6 @@
 #include "base/logging.h"
 #import "base/mac/scoped_nsobject.h"
 #include "base/strings/sys_string_conversions.h"
-#include "chrome/browser/printing/print_view_manager.h"
 #include "chrome/browser/sessions/session_tab_helper.h"
 #include "chrome/browser/ui/cocoa/applescript/apple_event_util.h"
 #include "chrome/browser/ui/cocoa/applescript/error_applescript.h"
@@ -25,8 +24,13 @@
 #include "content/public/browser/save_page_type.h"
 #include "content/public/browser/web_contents.h"
 #include "content/public/browser/web_contents_delegate.h"
+#include "printing/features/features.h"
 #include "url/gurl.h"
 
+#if BUILDFLAG(ENABLE_PRINT_PREVIEW)
+#include "chrome/browser/printing/print_view_manager.h"
+#endif
+
 using content::NavigationController;
 using content::NavigationEntry;
 using content::OpenURLParams;
@@ -231,11 +235,15 @@ void ResumeAppleEventAndSendReply(NSAppleEventManagerSuspensionID suspension_id,
 
 - (void)handlesPrintScriptCommand:(NSScriptCommand*)command {
   AppleScript::LogAppleScriptUMA(AppleScript::AppleScriptCommand::TAB_PRINT);
+#if BUILDFLAG(ENABLE_PRINT_PREVIEW)
   bool initiated = printing::PrintViewManager::FromWebContents(webContents_)
                        ->PrintNow(webContents_->GetMainFrame());
   if (!initiated) {
     AppleScript::SetError(AppleScript::errInitiatePrinting);
   }
+#else
+  NOTIMPLEMENTED();
+#endif
 }
 
 - (void)handlesSaveScriptCommand:(NSScriptCommand*)command {
diff --git chrome/common/chrome_utility_printing_messages.h chrome/common/chrome_utility_printing_messages.h
index f5712a7..11c0366 100644
--- chrome/common/chrome_utility_printing_messages.h
+++ chrome/common/chrome_utility_printing_messages.h
@@ -26,7 +26,6 @@
 #define IPC_MESSAGE_START ChromeUtilityPrintingMsgStart
 
 // Preview and Cloud Print messages.
-#if BUILDFLAG(ENABLE_PRINT_PREVIEW)
 IPC_ENUM_TRAITS_MAX_VALUE(printing::PdfRenderSettings::Mode,
                           printing::PdfRenderSettings::Mode::LAST)
 
@@ -38,6 +37,7 @@ IPC_STRUCT_TRAITS_BEGIN(printing::PdfRenderSettings)
   IPC_STRUCT_TRAITS_MEMBER(mode)
 IPC_STRUCT_TRAITS_END()
 
+#if BUILDFLAG(ENABLE_PRINT_PREVIEW)
 IPC_STRUCT_TRAITS_BEGIN(printing::PrinterCapsAndDefaults)
   IPC_STRUCT_TRAITS_MEMBER(printer_capabilities)
   IPC_STRUCT_TRAITS_MEMBER(caps_mime_type)
diff --git components/printing/common/print_messages.cc components/printing/common/print_messages.cc
index de03634..76ee3a7 100644
--- components/printing/common/print_messages.cc
+++ components/printing/common/print_messages.cc
@@ -105,7 +105,6 @@ void PrintMsg_PrintPages_Params::Reset() {
   pages = std::vector<int>();
 }
 
-#if BUILDFLAG(ENABLE_PRINT_PREVIEW)
 PrintHostMsg_RequestPrintPreview_Params::
     PrintHostMsg_RequestPrintPreview_Params()
     : is_modifiable(false),
@@ -127,4 +126,3 @@ PrintHostMsg_SetOptionsFromDocument_Params::
 PrintHostMsg_SetOptionsFromDocument_Params::
     ~PrintHostMsg_SetOptionsFromDocument_Params() {
 }
-#endif  // BUILDFLAG(ENABLE_PRINT_PREVIEW)
diff --git components/printing/common/print_messages.h components/printing/common/print_messages.h
index 32b0451..9ccb733 100644
--- components/printing/common/print_messages.h
+++ components/printing/common/print_messages.h
@@ -74,7 +74,6 @@ struct PrintMsg_PrintPages_Params {
   std::vector<int> pages;
 };
 
-#if BUILDFLAG(ENABLE_PRINT_PREVIEW)
 struct PrintHostMsg_RequestPrintPreview_Params {
   PrintHostMsg_RequestPrintPreview_Params();
   ~PrintHostMsg_RequestPrintPreview_Params();
@@ -93,7 +92,6 @@ struct PrintHostMsg_SetOptionsFromDocument_Params {
   printing::DuplexMode duplex;
   printing::PageRanges page_ranges;
 };
-#endif  // BUILDFLAG(ENABLE_PRINT_PREVIEW)
 
 #endif  // COMPONENTS_PRINTING_COMMON_PRINT_MESSAGES_H_
 
@@ -173,7 +171,6 @@ IPC_STRUCT_TRAITS_BEGIN(printing::PageRange)
   IPC_STRUCT_TRAITS_MEMBER(to)
 IPC_STRUCT_TRAITS_END()
 
-#if BUILDFLAG(ENABLE_PRINT_PREVIEW)
 IPC_STRUCT_TRAITS_BEGIN(PrintHostMsg_RequestPrintPreview_Params)
   IPC_STRUCT_TRAITS_MEMBER(is_modifiable)
   IPC_STRUCT_TRAITS_MEMBER(webnode_only)
@@ -194,7 +191,6 @@ IPC_STRUCT_TRAITS_BEGIN(PrintHostMsg_SetOptionsFromDocument_Params)
   // Specifies page range to be printed.
   IPC_STRUCT_TRAITS_MEMBER(page_ranges)
 IPC_STRUCT_TRAITS_END()
-#endif  // BUILDFLAG(ENABLE_PRINT_PREVIEW)
 
 IPC_STRUCT_TRAITS_BEGIN(printing::PageSizeMargins)
   IPC_STRUCT_TRAITS_MEMBER(content_width)
@@ -214,7 +210,6 @@ IPC_STRUCT_TRAITS_BEGIN(PrintMsg_PrintPages_Params)
   IPC_STRUCT_TRAITS_MEMBER(pages)
 IPC_STRUCT_TRAITS_END()
 
-#if BUILDFLAG(ENABLE_PRINT_PREVIEW)
 // Parameters to describe a rendered document.
 IPC_STRUCT_BEGIN(PrintHostMsg_DidPreviewDocument_Params)
   // A shared memory handle to metafile data.
@@ -265,7 +260,6 @@ IPC_STRUCT_BEGIN(PrintHostMsg_DidGetPreviewPageCount_Params)
   // Indicates whether the existing preview data needs to be cleared or not.
   IPC_STRUCT_MEMBER(bool, clear_preview_data)
 IPC_STRUCT_END()
-#endif  // BUILDFLAG(ENABLE_PRINT_PREVIEW)
 
 // Parameters to describe a rendered page.
 IPC_STRUCT_BEGIN(PrintHostMsg_DidPrintPage_Params)
@@ -308,22 +302,20 @@ IPC_STRUCT_END()
 
 // Messages sent from the browser to the renderer.
 
-#if BUILDFLAG(ENABLE_PRINT_PREVIEW)
 // Tells the RenderFrame to initiate print preview for the entire document.
 IPC_MESSAGE_ROUTED1(PrintMsg_InitiatePrintPreview, bool /* has_selection */)
-#endif
 
 // Tells the RenderFrame to initiate printing or print preview for a particular
 // node, depending on which mode the RenderFrame is in.
 IPC_MESSAGE_ROUTED0(PrintMsg_PrintNodeUnderContextMenu)
 
-#if BUILDFLAG(ENABLE_BASIC_PRINTING) && BUILDFLAG(ENABLE_PRINT_PREVIEW)
+#if BUILDFLAG(ENABLE_BASIC_PRINTING)
 // Tells the renderer to print the print preview tab's PDF plugin without
 // showing the print dialog. (This is the final step in the print preview
 // workflow.)
 IPC_MESSAGE_ROUTED1(PrintMsg_PrintForPrintPreview,
                     base::DictionaryValue /* settings */)
-#endif  // BUILDFLAG(ENABLE_BASIC_PRINTING) && BUILDFLAG(ENABLE_PRINT_PREVIEW)
+#endif  // BUILDFLAG(ENABLE_BASIC_PRINTING)
 
 #if BUILDFLAG(ENABLE_BASIC_PRINTING)
 // Tells the RenderFrame to switch the CSS to print media type, renders every
@@ -341,13 +333,11 @@ IPC_MESSAGE_ROUTED1(PrintMsg_PrintingDone,
 // Tells the RenderFrame whether printing is enabled or not.
 IPC_MESSAGE_ROUTED1(PrintMsg_SetPrintingEnabled, bool /* enabled */)
 
-#if BUILDFLAG(ENABLE_PRINT_PREVIEW)
 // Tells the RenderFrame to switch the CSS to print media type, renders every
 // requested pages for print preview using the given |settings|. This gets
 // called multiple times as the user updates settings.
 IPC_MESSAGE_ROUTED1(PrintMsg_PrintPreview,
                     base::DictionaryValue /* settings */)
-#endif
 
 // Messages sent from the renderer to the browser.
 
@@ -403,7 +393,6 @@ IPC_MESSAGE_CONTROL2(PrintHostMsg_TempFileForPrintingWritten,
                      int /* fd in browser */)
 #endif  // defined(OS_ANDROID)
 
-#if BUILDFLAG(ENABLE_PRINT_PREVIEW)
 // Asks the browser to do print preview.
 IPC_MESSAGE_ROUTED1(PrintHostMsg_RequestPrintPreview,
                     PrintHostMsg_RequestPrintPreview_Params /* params */)
@@ -437,7 +426,6 @@ IPC_SYNC_MESSAGE_ROUTED2_1(PrintHostMsg_CheckForCancel,
 // The memory handle in this message is already valid in the browser process.
 IPC_MESSAGE_ROUTED1(PrintHostMsg_MetafileReadyForPrinting,
                     PrintHostMsg_DidPreviewDocument_Params /* params */)
-#endif  // BUILDFLAG(ENABLE_PRINT_PREVIEW)
 
 // This is sent when there are invalid printer settings.
 IPC_MESSAGE_ROUTED0(PrintHostMsg_ShowInvalidPrinterSettingsError)
@@ -446,7 +434,6 @@ IPC_MESSAGE_ROUTED0(PrintHostMsg_ShowInvalidPrinterSettingsError)
 IPC_MESSAGE_ROUTED1(PrintHostMsg_PrintingFailed,
                     int /* document cookie */)
 
-#if BUILDFLAG(ENABLE_PRINT_PREVIEW)
 // Tell the browser print preview failed.
 IPC_MESSAGE_ROUTED1(PrintHostMsg_PrintPreviewFailed,
                     int /* document cookie */)
@@ -473,4 +460,3 @@ IPC_MESSAGE_ROUTED1(PrintHostMsg_ShowScriptedPrintPreview,
 // Notify the browser to set print presets based on source PDF document.
 IPC_MESSAGE_ROUTED1(PrintHostMsg_SetOptionsFromDocument,
                     PrintHostMsg_SetOptionsFromDocument_Params /* params */)
-#endif  // BUILDFLAG(ENABLE_PRINT_PREVIEW)
diff --git components/printing/renderer/print_web_view_helper.cc components/printing/renderer/print_web_view_helper.cc
index 3c3c4b1..b07223d 100644
--- components/printing/renderer/print_web_view_helper.cc
+++ components/printing/renderer/print_web_view_helper.cc
@@ -320,7 +320,6 @@ bool PrintingNodeOrPdfFrame(const blink::WebLocalFrame* frame,
   return plugin && plugin->SupportsPaginatedPrint();
 }
 
-#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;
@@ -342,7 +341,6 @@ bool PrintingFrameHasPageSizeStyle(blink::WebLocalFrame* frame,
   }
   return frame_has_custom_page_size_style;
 }
-#endif  // BUILDFLAG(ENABLE_PRINT_PREVIEW)
 
 #if BUILDFLAG(ENABLE_PRINTING)
 // Disable scaling when either:
@@ -398,7 +396,6 @@ MarginType GetMarginsForPdf(blink::WebLocalFrame* frame,
 }
 #endif
 
-#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)) {
@@ -441,7 +438,6 @@ blink::WebPrintScalingOption GetPrintScalingOption(
   }
   return blink::kWebPrintScalingOptionFitToPrintableArea;
 }
-#endif  // BUILDFLAG(ENABLE_PRINT_PREVIEW)
 
 // Helper function to scale and round an integer value with a double valued
 // scaling.
@@ -916,6 +912,7 @@ PrintWebViewHelper::PrintWebViewHelper(content::RenderFrame* render_frame,
       print_for_preview_(false),
       delegate_(std::move(delegate)),
       print_node_in_progress_(false),
+      force_print_preview_(false),
       is_loading_(false),
       is_scripted_preview_delayed_(false),
       ipc_nesting_level_(0),
@@ -978,10 +975,8 @@ void PrintWebViewHelper::ScriptedPrint(bool user_initiated) {
     return;
 
   if (g_is_preview_enabled) {
-#if BUILDFLAG(ENABLE_PRINT_PREVIEW)
     print_preview_context_.InitWithFrame(web_frame);
     RequestPrintPreview(PRINT_PREVIEW_SCRIPTED);
-#endif
   } else {
 #if BUILDFLAG(ENABLE_BASIC_PRINTING)
     Print(web_frame, blink::WebNode(), true /* is_scripted? */);
@@ -1007,14 +1002,10 @@ bool PrintWebViewHelper::OnMessageReceived(const IPC::Message& message) {
     IPC_MESSAGE_HANDLER(PrintMsg_PrintPages, OnPrintPages)
     IPC_MESSAGE_HANDLER(PrintMsg_PrintForSystemDialog, OnPrintForSystemDialog)
 #endif  // BUILDFLAG(ENABLE_BASIC_PRINTING)
-#if BUILDFLAG(ENABLE_BASIC_PRINTING) && BUILDFLAG(ENABLE_PRINT_PREVIEW)
     IPC_MESSAGE_HANDLER(PrintMsg_PrintForPrintPreview, OnPrintForPrintPreview)
-#endif
-#if BUILDFLAG(ENABLE_PRINT_PREVIEW)
     IPC_MESSAGE_HANDLER(PrintMsg_InitiatePrintPreview, OnInitiatePrintPreview)
     IPC_MESSAGE_HANDLER(PrintMsg_PrintPreview, OnPrintPreview)
     IPC_MESSAGE_HANDLER(PrintMsg_PrintingDone, OnPrintingDone)
-#endif  // BUILDFLAG(ENABLE_PRINT_PREVIEW)
     IPC_MESSAGE_HANDLER(PrintMsg_SetPrintingEnabled, OnSetPrintingEnabled)
     IPC_MESSAGE_UNHANDLED(handled = false)
   IPC_END_MESSAGE_MAP()
@@ -1062,7 +1053,6 @@ void PrintWebViewHelper::OnPrintForSystemDialog() {
 }
 #endif  // BUILDFLAG(ENABLE_BASIC_PRINTING)
 
-#if BUILDFLAG(ENABLE_BASIC_PRINTING) && BUILDFLAG(ENABLE_PRINT_PREVIEW)
 void PrintWebViewHelper::OnPrintForPrintPreview(
     const base::DictionaryValue& job_settings) {
   CHECK_LE(ipc_nesting_level_, 1);
@@ -1122,7 +1112,6 @@ void PrintWebViewHelper::OnPrintForPrintPreview(
     DidFinishPrinting(FAIL_PRINT);
   }
 }
-#endif  // BUILDFLAG(ENABLE_BASIC_PRINTING) && BUILDFLAG(ENABLE_PRINT_PREVIEW)
 
 void PrintWebViewHelper::GetPageSizeAndContentAreaFromPageLayout(
     const PageSizeMargins& page_layout_in_points,
@@ -1147,7 +1136,6 @@ void PrintWebViewHelper::UpdateFrameMarginsCssInfo(
   ignore_css_margins_ = (margins_type != DEFAULT_MARGINS);
 }
 
-#if BUILDFLAG(ENABLE_PRINT_PREVIEW)
 void PrintWebViewHelper::OnPrintPreview(const base::DictionaryValue& settings) {
   if (ipc_nesting_level_ > 1)
     return;
@@ -1342,7 +1330,7 @@ bool PrintWebViewHelper::CreatePreviewDocument() {
   return true;
 }
 
-#if !defined(OS_MACOSX) && BUILDFLAG(ENABLE_PRINT_PREVIEW)
+#if !defined(OS_MACOSX)
 bool PrintWebViewHelper::RenderPreviewPage(
     int page_number,
     const PrintMsg_Print_Params& print_params) {
@@ -1371,7 +1359,7 @@ bool PrintWebViewHelper::RenderPreviewPage(
   }
   return PreviewPageRendered(page_number, draft_metafile.get());
 }
-#endif  // !defined(OS_MACOSX) && BUILDFLAG(ENABLE_PRINT_PREVIEW)
+#endif  // !defined(OS_MACOSX)
 
 bool PrintWebViewHelper::FinalizePrintReadyDocument() {
   DCHECK(!is_print_ready_metafile_sent_);
@@ -1401,7 +1389,6 @@ bool PrintWebViewHelper::FinalizePrintReadyDocument() {
   Send(new PrintHostMsg_MetafileReadyForPrinting(routing_id(), preview_params));
   return true;
 }
-#endif  // BUILDFLAG(ENABLE_PRINT_PREVIEW)
 
 void PrintWebViewHelper::OnPrintingDone(bool success) {
   if (ipc_nesting_level_ > 1)
@@ -1416,7 +1403,6 @@ void PrintWebViewHelper::OnSetPrintingEnabled(bool enabled) {
   is_printing_enabled_ = enabled;
 }
 
-#if BUILDFLAG(ENABLE_PRINT_PREVIEW)
 void PrintWebViewHelper::OnInitiatePrintPreview(bool has_selection) {
   if (ipc_nesting_level_ > 1)
     return;
@@ -1427,7 +1413,9 @@ void PrintWebViewHelper::OnInitiatePrintPreview(bool has_selection) {
   // that instead.
   auto plugin = delegate_->GetPdfElement(frame);
   if (!plugin.IsNull()) {
+    force_print_preview_ = true;
     PrintNode(plugin);
+    force_print_preview_ = false;
     return;
   }
   print_preview_context_.InitWithFrame(frame);
@@ -1435,7 +1423,6 @@ void PrintWebViewHelper::OnInitiatePrintPreview(bool has_selection) {
                           ? PRINT_PREVIEW_USER_INITIATED_SELECTION
                           : PRINT_PREVIEW_USER_INITIATED_ENTIRE_FRAME);
 }
-#endif
 
 bool PrintWebViewHelper::IsPrintingEnabled() const {
   return is_printing_enabled_;
@@ -1457,11 +1444,9 @@ void PrintWebViewHelper::PrintNode(const blink::WebNode& node) {
 
   print_node_in_progress_ = true;
 
-  if (g_is_preview_enabled) {
-#if BUILDFLAG(ENABLE_PRINT_PREVIEW)
+  if (g_is_preview_enabled || force_print_preview_) {
     print_preview_context_.InitWithNode(node);
     RequestPrintPreview(PRINT_PREVIEW_USER_INITIATED_CONTEXT_NODE);
-#endif
   } else {
 #if BUILDFLAG(ENABLE_BASIC_PRINTING)
     // Make a copy of the node, in case RenderView::OnContextMenuClosed() resets
@@ -1550,7 +1535,6 @@ void PrintWebViewHelper::DidFinishPrinting(PrintingResult result) {
       }
       break;
 
-#if BUILDFLAG(ENABLE_PRINT_PREVIEW)
     case FAIL_PREVIEW:
       int cookie =
           print_pages_params_ ? print_pages_params_->params.document_cookie : 0;
@@ -1562,7 +1546,6 @@ void PrintWebViewHelper::DidFinishPrinting(PrintingResult result) {
       }
       print_preview_context_.Failed(notify_browser_of_print_failure_);
       break;
-#endif  // BUILDFLAG(ENABLE_PRINT_PREVIEW)
   }
   prep_frame_view_.reset();
   print_pages_params_.reset();
@@ -1695,7 +1678,6 @@ bool PrintWebViewHelper::CalculateNumberOfPages(blink::WebLocalFrame* frame,
   return true;
 }
 
-#if BUILDFLAG(ENABLE_PRINT_PREVIEW)
 bool PrintWebViewHelper::SetOptionsFromPdfDocument(
     PrintHostMsg_SetOptionsFromDocument_Params* options) {
   blink::WebLocalFrame* source_frame = print_preview_context_.source_frame();
@@ -1802,7 +1784,6 @@ bool PrintWebViewHelper::UpdatePrintSettings(
     print_preview_context_.set_error(PREVIEW_ERROR_INVALID_PRINTER_SETTINGS);
   return false;
 }
-#endif  // BUILDFLAG(ENABLE_PRINT_PREVIEW)
 
 #if BUILDFLAG(ENABLE_BASIC_PRINTING)
 void PrintWebViewHelper::GetPrintSettingsFromUser(
@@ -1960,7 +1941,6 @@ bool PrintWebViewHelper::CopyMetafileDataToSharedMem(
   return true;
 }
 
-#if BUILDFLAG(ENABLE_PRINT_PREVIEW)
 void PrintWebViewHelper::ShowScriptedPrintPreview() {
   if (is_scripted_preview_delayed_) {
     is_scripted_preview_delayed_ = false;
@@ -2091,7 +2071,6 @@ bool PrintWebViewHelper::PreviewPageRendered(int page_number,
   Send(new PrintHostMsg_DidPreviewPage(routing_id(), preview_page_params));
   return true;
 }
-#endif  // BUILDFLAG(ENABLE_PRINT_PREVIEW)
 
 PrintWebViewHelper::PrintPreviewContext::PrintPreviewContext()
     : total_page_count_(0),
diff --git components/printing/renderer/print_web_view_helper.h components/printing/renderer/print_web_view_helper.h
index c4339d4..433fb26 100644
--- components/printing/renderer/print_web_view_helper.h
+++ components/printing/renderer/print_web_view_helper.h
@@ -153,9 +153,7 @@ class PrintWebViewHelper
     OK,
     FAIL_PRINT_INIT,
     FAIL_PRINT,
-#if BUILDFLAG(ENABLE_PRINT_PREVIEW)
     FAIL_PREVIEW,
-#endif
   };
 
   enum PrintPreviewErrorBuckets {
@@ -191,10 +189,8 @@ class PrintWebViewHelper
   void OnPrintForSystemDialog();
   void OnPrintForPrintPreview(const base::DictionaryValue& job_settings);
 #endif  // BUILDFLAG(ENABLE_BASIC_PRINTING)
-#if BUILDFLAG(ENABLE_PRINT_PREVIEW)
   void OnInitiatePrintPreview(bool has_selection);
   void OnPrintPreview(const base::DictionaryValue& settings);
-#endif  // BUILDFLAG(ENABLE_PRINT_PREVIEW)
   void OnPrintingDone(bool success);
 
   // Get |page_size| and |content_area| information from
@@ -207,7 +203,6 @@ class PrintWebViewHelper
   // Update |ignore_css_margins_| based on settings.
   void UpdateFrameMarginsCssInfo(const base::DictionaryValue& settings);
 
-#if BUILDFLAG(ENABLE_PRINT_PREVIEW)
   // Prepare frame for creating preview document.
   void PrepareFrameForPreviewDocument();
 
@@ -224,7 +219,6 @@ class PrintWebViewHelper
 
   // Finalize the print ready preview document.
   bool FinalizePrintReadyDocument();
-#endif  // BUILDFLAG(ENABLE_PRINT_PREVIEW)
 
   // Enable/Disable printing.
   void OnSetPrintingEnabled(bool enabled);
@@ -254,7 +248,6 @@ class PrintWebViewHelper
                               const blink::WebNode& node,
                               int* number_of_pages);
 
-#if BUILDFLAG(ENABLE_PRINT_PREVIEW)
   // Set options for print preset from source PDF document.
   bool SetOptionsFromPdfDocument(
       PrintHostMsg_SetOptionsFromDocument_Params* options);
@@ -265,7 +258,6 @@ class PrintWebViewHelper
   bool UpdatePrintSettings(blink::WebLocalFrame* frame,
                            const blink::WebNode& node,
                            const base::DictionaryValue& passed_job_settings);
-#endif  // BUILDFLAG(ENABLE_PRINT_PREVIEW)
 
 #if BUILDFLAG(ENABLE_BASIC_PRINTING)
   // Get final print settings from the user.
@@ -367,7 +359,6 @@ class PrintWebViewHelper
   bool IsScriptInitiatedPrintAllowed(blink::WebLocalFrame* frame,
                                      bool user_initiated);
 
-#if BUILDFLAG(ENABLE_PRINT_PREVIEW)
   // Shows scripted print preview when options from plugin are available.
   void ShowScriptedPrintPreview();
 
@@ -385,7 +376,6 @@ 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  // BUILDFLAG(ENABLE_PRINT_PREVIEW)
 
   void SetPrintPagesParams(const PrintMsg_PrintPages_Params& settings);
 
@@ -545,6 +535,7 @@ class PrintWebViewHelper
   ScriptingThrottler scripting_throttler_;
 
   bool print_node_in_progress_;
+  bool force_print_preview_;
   PrintPreviewContext print_preview_context_;
   bool is_loading_;
   bool is_scripted_preview_delayed_;
diff --git components/printing/renderer/print_web_view_helper_mac.mm components/printing/renderer/print_web_view_helper_mac.mm
index a00cfa0..4608dc0 100644
--- components/printing/renderer/print_web_view_helper_mac.mm
+++ components/printing/renderer/print_web_view_helper_mac.mm
@@ -76,7 +76,6 @@ void PrintWebViewHelper::PrintPagesInternal(
   }
 }
 
-#if BUILDFLAG(ENABLE_PRINT_PREVIEW)
 bool PrintWebViewHelper::RenderPreviewPage(
     int page_number,
     const PrintMsg_Print_Params& print_params) {
@@ -115,7 +114,6 @@ bool PrintWebViewHelper::RenderPreviewPage(
   }
   return PreviewPageRendered(page_number, draft_metafile.get());
 }
-#endif  // BUILDFLAG(ENABLE_PRINT_PREVIEW)
 
 void PrintWebViewHelper::RenderPage(const PrintMsg_Print_Params& params,
                                     int page_number,