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 0cd84f38c229..2f872dd3dfe2 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 fa7702857f75..874a37146fb5 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 6767c4af66ab..c860394ba411 100644
--- components/printing/common/print_messages.cc
+++ components/printing/common/print_messages.cc
@@ -101,7 +101,6 @@ void PrintMsg_PrintPages_Params::Reset() {
   pages = std::vector<int>();
 }
 
-#if BUILDFLAG(ENABLE_PRINT_PREVIEW)
 PrintHostMsg_RequestPrintPreview_Params::
     PrintHostMsg_RequestPrintPreview_Params()
     : is_modifiable(false),
@@ -123,4 +122,3 @@ 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 ed443d2a8117..a0180ec440f0 100644
--- components/printing/common/print_messages.h
+++ components/printing/common/print_messages.h
@@ -76,7 +76,6 @@ struct PrintMsg_PrintPages_Params {
   std::vector<int> pages;
 };
 
-#if BUILDFLAG(ENABLE_PRINT_PREVIEW)
 struct PrintHostMsg_RequestPrintPreview_Params {
   PrintHostMsg_RequestPrintPreview_Params();
   ~PrintHostMsg_RequestPrintPreview_Params();
@@ -95,7 +94,6 @@ struct PrintHostMsg_SetOptionsFromDocument_Params {
   printing::DuplexMode duplex;
   printing::PageRanges page_ranges;
 };
-#endif  // BUILDFLAG(ENABLE_PRINT_PREVIEW)
 
 #endif  // COMPONENTS_PRINTING_COMMON_PRINT_MESSAGES_H_
 
@@ -180,7 +178,6 @@ 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)
@@ -201,7 +198,6 @@ 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)
@@ -221,7 +217,6 @@ 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.
@@ -272,7 +267,6 @@ 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)
@@ -315,22 +309,20 @@ 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
@@ -348,13 +340,13 @@ 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 */)
 
+#if BUILDFLAG(ENABLE_PRINT_PREVIEW)
 // Tells the RenderFrame that print preview dialog was closed.
 IPC_MESSAGE_ROUTED0(PrintMsg_ClosePrintPreviewDialog)
 #endif
@@ -414,7 +406,6 @@ IPC_MESSAGE_CONTROL3(PrintHostMsg_TempFileForPrintingWritten,
                      int /* page count */)
 #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 */)
@@ -448,7 +439,6 @@ 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)
@@ -457,7 +447,6 @@ 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 */)
@@ -484,4 +473,3 @@ 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_render_frame_helper.cc components/printing/renderer/print_render_frame_helper.cc
index c6b03ed6ad9a..5f6545a3dee7 100644
--- components/printing/renderer/print_render_frame_helper.cc
+++ components/printing/renderer/print_render_frame_helper.cc
@@ -319,7 +319,6 @@ 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;
@@ -341,7 +340,6 @@ 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)) {
@@ -440,7 +437,6 @@ 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.
@@ -959,6 +955,7 @@ PrintRenderFrameHelper::PrintRenderFrameHelper(
       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),
@@ -1020,10 +1017,8 @@ void PrintRenderFrameHelper::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)
     auto weak_this = weak_ptr_factory_.GetWeakPtr();
@@ -1055,13 +1050,11 @@ bool PrintRenderFrameHelper::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)
+#if BUILDFLAG(ENABLE_PRINT_PREVIEW)
     IPC_MESSAGE_HANDLER(PrintMsg_ClosePrintPreviewDialog,
                         OnClosePrintPreviewDialog)
 #endif  // BUILDFLAG(ENABLE_PRINT_PREVIEW)
@@ -1121,7 +1114,6 @@ void PrintRenderFrameHelper::OnPrintForSystemDialog() {
 }
 #endif  // BUILDFLAG(ENABLE_BASIC_PRINTING)
 
-#if BUILDFLAG(ENABLE_BASIC_PRINTING) && BUILDFLAG(ENABLE_PRINT_PREVIEW)
 void PrintRenderFrameHelper::OnPrintForPrintPreview(
     const base::DictionaryValue& job_settings) {
   CHECK_LE(ipc_nesting_level_, 1);
@@ -1181,7 +1173,6 @@ void PrintRenderFrameHelper::OnPrintForPrintPreview(
     DidFinishPrinting(FAIL_PRINT);
   }
 }
-#endif  // BUILDFLAG(ENABLE_BASIC_PRINTING) && BUILDFLAG(ENABLE_PRINT_PREVIEW)
 
 void PrintRenderFrameHelper::GetPageSizeAndContentAreaFromPageLayout(
     const PageSizeMargins& page_layout_in_points,
@@ -1206,7 +1197,6 @@ void PrintRenderFrameHelper::UpdateFrameMarginsCssInfo(
   ignore_css_margins_ = (margins_type != DEFAULT_MARGINS);
 }
 
-#if BUILDFLAG(ENABLE_PRINT_PREVIEW)
 void PrintRenderFrameHelper::OnPrintPreview(
     const base::DictionaryValue& settings) {
   if (ipc_nesting_level_ > 1)
@@ -1398,7 +1388,7 @@ bool PrintRenderFrameHelper::CreatePreviewDocument() {
   return true;
 }
 
-#if !defined(OS_MACOSX) && BUILDFLAG(ENABLE_PRINT_PREVIEW)
+#if !defined(OS_MACOSX)
 bool PrintRenderFrameHelper::RenderPreviewPage(
     int page_number,
     const PrintMsg_Print_Params& print_params) {
@@ -1428,7 +1418,7 @@ bool PrintRenderFrameHelper::RenderPreviewPage(
   }
   return PreviewPageRendered(page_number, draft_metafile.get());
 }
-#endif  // !defined(OS_MACOSX) && BUILDFLAG(ENABLE_PRINT_PREVIEW)
+#endif  // !defined(OS_MACOSX)
 
 bool PrintRenderFrameHelper::FinalizePrintReadyDocument() {
   DCHECK(!is_print_ready_metafile_sent_);
@@ -1457,7 +1447,6 @@ bool PrintRenderFrameHelper::FinalizePrintReadyDocument() {
   Send(new PrintHostMsg_MetafileReadyForPrinting(routing_id(), preview_params));
   return true;
 }
-#endif  // BUILDFLAG(ENABLE_PRINT_PREVIEW)
 
 void PrintRenderFrameHelper::OnPrintingDone(bool success) {
   if (ipc_nesting_level_ > 1)
@@ -1472,7 +1461,6 @@ void PrintRenderFrameHelper::OnSetPrintingEnabled(bool enabled) {
   is_printing_enabled_ = enabled;
 }
 
-#if BUILDFLAG(ENABLE_PRINT_PREVIEW)
 void PrintRenderFrameHelper::OnInitiatePrintPreview(bool has_selection) {
   if (ipc_nesting_level_ > 1)
     return;
@@ -1483,7 +1471,9 @@ void PrintRenderFrameHelper::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);
@@ -1492,10 +1482,11 @@ void PrintRenderFrameHelper::OnInitiatePrintPreview(bool has_selection) {
                           : PRINT_PREVIEW_USER_INITIATED_ENTIRE_FRAME);
 }
 
+#if BUILDFLAG(ENABLE_PRINT_PREVIEW)
 void PrintRenderFrameHelper::OnClosePrintPreviewDialog() {
   print_preview_context_.source_frame()->DispatchAfterPrintEvent();
 }
-#endif
+#endif  // BUILDFLAG(ENABLE_PRINT_PREVIEW)
 
 bool PrintRenderFrameHelper::IsPrintingEnabled() const {
   return is_printing_enabled_;
@@ -1517,11 +1508,9 @@ void PrintRenderFrameHelper::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
@@ -1611,7 +1600,6 @@ void PrintRenderFrameHelper::DidFinishPrinting(PrintingResult result) {
       }
       break;
 
-#if BUILDFLAG(ENABLE_PRINT_PREVIEW)
     case FAIL_PREVIEW:
       if (!is_print_ready_metafile_sent_) {
         if (notify_browser_of_print_failure_) {
@@ -1628,7 +1616,6 @@ void PrintRenderFrameHelper::DidFinishPrinting(PrintingResult result) {
                                                                cookie));
       print_preview_context_.Failed(false);
       break;
-#endif  // BUILDFLAG(ENABLE_PRINT_PREVIEW)
   }
   prep_frame_view_.reset();
   print_pages_params_.reset();
@@ -1757,7 +1744,6 @@ bool PrintRenderFrameHelper::CalculateNumberOfPages(blink::WebLocalFrame* frame,
   return true;
 }
 
-#if BUILDFLAG(ENABLE_PRINT_PREVIEW)
 bool PrintRenderFrameHelper::SetOptionsFromPdfDocument(
     PrintHostMsg_SetOptionsFromDocument_Params* options) {
   blink::WebLocalFrame* source_frame = print_preview_context_.source_frame();
@@ -1864,7 +1850,6 @@ bool PrintRenderFrameHelper::UpdatePrintSettings(
     print_preview_context_.set_error(PREVIEW_ERROR_INVALID_PRINTER_SETTINGS);
   return false;
 }
-#endif  // BUILDFLAG(ENABLE_PRINT_PREVIEW)
 
 #if BUILDFLAG(ENABLE_BASIC_PRINTING)
 void PrintRenderFrameHelper::GetPrintSettingsFromUser(
@@ -2023,7 +2008,6 @@ bool PrintRenderFrameHelper::CopyMetafileDataToSharedMem(
   return true;
 }
 
-#if BUILDFLAG(ENABLE_PRINT_PREVIEW)
 void PrintRenderFrameHelper::ShowScriptedPrintPreview() {
   if (is_scripted_preview_delayed_) {
     is_scripted_preview_delayed_ = false;
@@ -2158,7 +2142,6 @@ bool PrintRenderFrameHelper::PreviewPageRendered(int page_number,
   Send(new PrintHostMsg_DidPreviewPage(routing_id(), preview_page_params));
   return true;
 }
-#endif  // BUILDFLAG(ENABLE_PRINT_PREVIEW)
 
 PrintRenderFrameHelper::PrintPreviewContext::PrintPreviewContext()
     : total_page_count_(0),
diff --git components/printing/renderer/print_render_frame_helper.h components/printing/renderer/print_render_frame_helper.h
index a9fe8cb7dcaf..ea35ea3cc920 100644
--- components/printing/renderer/print_render_frame_helper.h
+++ components/printing/renderer/print_render_frame_helper.h
@@ -156,10 +156,8 @@ class PrintRenderFrameHelper
     OK,
     FAIL_PRINT_INIT,
     FAIL_PRINT,
-#if BUILDFLAG(ENABLE_PRINT_PREVIEW)
     FAIL_PREVIEW,
     INVALID_SETTINGS,
-#endif
   };
 
   enum PrintPreviewErrorBuckets {
@@ -196,9 +194,9 @@ class PrintRenderFrameHelper
   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);
+#if BUILDFLAG(ENABLE_PRINT_PREVIEW)
   void OnClosePrintPreviewDialog();
 #endif  // BUILDFLAG(ENABLE_PRINT_PREVIEW)
   void OnPrintingDone(bool success);
@@ -213,7 +211,6 @@ class PrintRenderFrameHelper
   // 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();
 
@@ -230,7 +227,6 @@ class PrintRenderFrameHelper
 
   // Finalize the print ready preview document.
   bool FinalizePrintReadyDocument();
-#endif  // BUILDFLAG(ENABLE_PRINT_PREVIEW)
 
   // Enable/Disable printing.
   void OnSetPrintingEnabled(bool enabled);
@@ -260,7 +256,6 @@ class PrintRenderFrameHelper
                               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);
@@ -271,7 +266,6 @@ class PrintRenderFrameHelper
   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.
@@ -375,7 +369,6 @@ class PrintRenderFrameHelper
   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();
 
@@ -393,7 +386,6 @@ class PrintRenderFrameHelper
   // |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);
 
@@ -554,6 +546,7 @@ class PrintRenderFrameHelper
   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_render_frame_helper_mac.mm components/printing/renderer/print_render_frame_helper_mac.mm
index 42149955ee2c..ca6cb42ffce1 100644
--- components/printing/renderer/print_render_frame_helper_mac.mm
+++ components/printing/renderer/print_render_frame_helper_mac.mm
@@ -76,7 +76,6 @@ void PrintRenderFrameHelper::PrintPagesInternal(
   }
 }
 
-#if BUILDFLAG(ENABLE_PRINT_PREVIEW)
 bool PrintRenderFrameHelper::RenderPreviewPage(
     int page_number,
     const PrintMsg_Print_Params& print_params) {
@@ -115,7 +114,6 @@ bool PrintRenderFrameHelper::RenderPreviewPage(
   }
   return PreviewPageRendered(page_number, draft_metafile.get());
 }
-#endif  // BUILDFLAG(ENABLE_PRINT_PREVIEW)
 
 void PrintRenderFrameHelper::RenderPage(const PrintMsg_Print_Params& params,
                                         int page_number,