Mark printing code as basic printing and/or print preview code.

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 287 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)
+// 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::WebFrame* 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)
 
 // Disable scaling when either:
 // - The PDF specifies disabling scaling.
 // - All the pages in the PDF are the same size, and that size is the same as
 //   the paper size.
 bool PDFShouldDisableScalingBasedOnPreset(
     const blink::WebPrintPresetOptions& options,
     const PrintMsg_Print_Params& params) {
   if (options.isScalingDisabled)
     return true;
@@ skipping 17 matching lines @@
 bool PDFShouldDisableScaling(blink::WebLocalFrame* frame,
                              const blink::WebNode& node,
                              const PrintMsg_Print_Params& params) {
   const bool kDefaultPDFShouldDisableScalingSetting = true;
   blink::WebPrintPresetOptions preset_options;
   if (!frame->getPrintPresetOptionsForPlugin(node, &preset_options))
     return kDefaultPDFShouldDisableScalingSetting;
   return PDFShouldDisableScalingBasedOnPreset(preset_options, params);
 }
 
+#if defined(ENABLE_BASIC_PRINTING)
 MarginType GetMarginsForPdf(blink::WebLocalFrame* frame,
                             const blink::WebNode& node,
                             const PrintMsg_Print_Params& params) {
   return PDFShouldDisableScaling(frame, node, params) ?
       NO_MARGINS : PRINTABLE_AREA_MARGINS;
 }
+#endif
 
+#if defined(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 21 matching lines @@
   if (!source_is_html) {
     if (!FitToPageEnabled(job_settings))
       return blink::WebPrintScalingOptionNone;
 
     bool no_plugin_scaling = PDFShouldDisableScaling(frame, node, params);
     if (params.is_first_request && no_plugin_scaling)
       return blink::WebPrintScalingOptionNone;
   }
   return blink::WebPrintScalingOptionFitToPrintableArea;
 }
+#endif  // defined(ENABLE_PRINT_PREVIEW)
 
 PrintMsg_Print_Params CalculatePrintParamsForCss(
     blink::WebFrame* frame,
     int page_index,
     const PrintMsg_Print_Params& page_params,
     bool ignore_css_margins,
     bool fit_to_page,
     double* scale_factor) {
   PrintMsg_Print_Params css_params =
       GetCssPrintParams(frame, page_index, page_params);
@@ skipping 449 matching lines @@
   // Allow Prerendering to cancel this print request if necessary.
   if (delegate_->CancelPrerender(render_view(), routing_id()))
     return;
 
   if (!IsScriptInitiatedPrintAllowed(frame, user_initiated))
     return;
 
   if (delegate_->OverridePrint(frame))
     return;
 
-  if (!g_is_preview_enabled) {
-    Print(frame, blink::WebNode(), true);
-  } else {
+  if (g_is_preview_enabled) {
+#if defined(ENABLE_PRINT_PREVIEW)
     print_preview_context_.InitWithFrame(frame);
     RequestPrintPreview(PRINT_PREVIEW_SCRIPTED);
+#endif
+  } else {
+#if defined(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)
     IPC_MESSAGE_HANDLER(PrintMsg_PrintPages, OnPrintPages)
     IPC_MESSAGE_HANDLER(PrintMsg_PrintForSystemDialog, OnPrintForSystemDialog)
-#endif  // ENABLE_BASIC_PRINTING
+#endif  // defined(ENABLE_BASIC_PRINTING)
+#if defined(ENABLE_BASIC_PRINTING) && defined(ENABLE_PRINT_PREVIEW)
+    IPC_MESSAGE_HANDLER(PrintMsg_PrintForPrintPreview, OnPrintForPrintPreview)
+#endif
+#if defined(ENABLE_PRINT_PREVIEW)
     IPC_MESSAGE_HANDLER(PrintMsg_InitiatePrintPreview, OnInitiatePrintPreview)
     IPC_MESSAGE_HANDLER(PrintMsg_PrintPreview, OnPrintPreview)
-    IPC_MESSAGE_HANDLER(PrintMsg_PrintForPrintPreview, OnPrintForPrintPreview)
     IPC_MESSAGE_HANDLER(PrintMsg_PrintingDone, OnPrintingDone)
+#endif  // defined(ENABLE_PRINT_PREVIEW)
     IPC_MESSAGE_HANDLER(PrintMsg_SetScriptedPrintingBlocked,
                         SetScriptedPrintBlocked)
     IPC_MESSAGE_UNHANDLED(handled = false)
   IPC_END_MESSAGE_MAP()
 
   --ipc_nesting_level_;
   return handled;
 }
 
+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()->toWebLocalFrame();
+  *frame = focusedFrame->hasSelection()
+               ? focusedFrame
+               : webView->mainFrame()->toWebLocalFrame();
+  return true;
+}
+
+#if defined(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)
+
+#if defined(ENABLE_BASIC_PRINTING) && defined(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);
   }
 }
-
-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()->toWebLocalFrame();
-  *frame = focusedFrame->hasSelection()
-               ? focusedFrame
-               : webView->mainFrame()->toWebLocalFrame();
-  return true;
-}
-
-#if defined(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  // ENABLE_BASIC_PRINTING
+#endif  // defined(ENABLE_BASIC_PRINTING) && defined(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);
 }
 
-bool PrintWebViewHelper::IsPrintToPdfRequested(
-    const base::DictionaryValue& job_settings) {
-  bool print_to_pdf = false;
-  if (!job_settings.GetBoolean(kSettingPrintToPDF, &print_to_pdf))
-    NOTREACHED();
-  return print_to_pdf;
-}
-
+#if defined(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 168 matching lines @@
       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)
 
 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)
 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()) {
     PrintNode(plugin);
     return;
   }
   print_preview_context_.InitWithFrame(frame);
   RequestPrintPreview(selection_only
                           ? PRINT_PREVIEW_USER_INITIATED_SELECTION
                           : PRINT_PREVIEW_USER_INITIATED_ENTIRE_FRAME);
 }
+#endif
 
 bool PrintWebViewHelper::IsPrintingEnabled() {
   bool result = false;
   Send(new PrintHostMsg_IsPrintingEnabled(routing_id(), &result));
   return result;
 }
 
 void PrintWebViewHelper::PrintNode(const blink::WebNode& node) {
   if (node.isNull() || !node.document().frame()) {
     // This can occur when the context menu refers to an invalid WebNode.
     // See http://crbug.com/100890#c17 for a repro case.
     return;
   }
 
   if (print_node_in_progress_) {
     // This can happen as a result of processing sync messages when printing
     // 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 (g_is_preview_enabled) {
+#if defined(ENABLE_PRINT_PREVIEW)
+    print_preview_context_.InitWithNode(node);
+    RequestPrintPreview(PRINT_PREVIEW_USER_INITIATED_CONTEXT_NODE);
+#endif
+  } else {
+#if defined(ENABLE_BASIC_PRINTING)
     blink::WebNode duplicate_node(node);
     Print(duplicate_node.document().frame(), duplicate_node, false);
-  } else {
-    print_preview_context_.InitWithNode(node);
-    RequestPrintPreview(PRINT_PREVIEW_USER_INITIATED_CONTEXT_NODE);
+#endif
   }
 
   print_node_in_progress_ = false;
 }
 
+#if defined(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)
 
 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)
     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)
   }
   prep_frame_view_.reset();
   print_pages_params_.reset();
   notify_browser_of_print_failure_ = true;
 }
 
+#if defined(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();
 
   int page_count = prep_frame_view_->GetExpectedPageCount();
   if (!page_count) {
     LOG(ERROR) << "Can't print 0 pages.";
     return DidFinishPrinting(FAIL_PRINT);
   }
 
   const PrintMsg_PrintPages_Params& params = *print_pages_params_;
   const PrintMsg_Print_Params& print_params = params.params;
 
-#if !defined(OS_CHROMEOS) && !defined(OS_ANDROID)
+#if !defined(OS_ANDROID)
   // TODO(vitalybuka): should be page_count or valid pages from params.pages.
   // See http://crbug.com/161576
   Send(new PrintHostMsg_DidGetPrintedPagesCount(routing_id(),
                                                 print_params.document_cookie,
                                                 page_count));
-#endif  // !defined(OS_CHROMEOS) && !defined(OS_ANDROID)
+#endif  // !defined(OS_ANDROID)
 
   if (print_params.preview_ui_id < 0) {
     // Printing for system dialog.
     int printed_count = params.pages.empty() ? page_count : params.pages.size();
-#if defined(OS_CHROMEOS)
-    UMA_HISTOGRAM_COUNTS("PrintPreview.PageCount.PrintToCloudPrintWebDialog",
-                         printed_count);
-#else
     UMA_HISTOGRAM_COUNTS("PrintPreview.PageCount.SystemDialog", printed_count);
-#endif  // defined(OS_CHROMEOS)
   }
 
   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)
 
 // static - Not anonymous so that platform implementations can use it.
 void PrintWebViewHelper::ComputePageLayoutInPointsForCss(
     blink::WebFrame* frame,
     int page_index,
     const PrintMsg_Print_Params& page_params,
     bool ignore_css_margins,
     double* scale_factor,
     PageSizeMargins* page_layout_in_points) {
   PrintMsg_Print_Params params = CalculatePrintParamsForCss(
@@ 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)
 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)
 
+#if defined(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 19 matching lines @@
   Send(msg);
   print_settings.params.print_scaling_option = scaling_option;
   SetPrintPagesParams(print_settings);
   return (print_settings.params.dpi && print_settings.params.document_cookie);
 }
 
 bool PrintWebViewHelper::RenderPagesForPrint(blink::WebLocalFrame* frame,
                                              const blink::WebNode& node) {
   if (!frame || prep_frame_view_)
     return false;
+
   const PrintMsg_PrintPages_Params& params = *print_pages_params_;
   const PrintMsg_Print_Params& print_params = params.params;
   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)
 
 #if defined(OS_POSIX)
 bool PrintWebViewHelper::CopyMetafileDataToSharedMem(
     const PdfMetafileSkia& metafile,
     base::SharedMemoryHandle* shared_mem_handle) {
   uint32_t buf_size = metafile.GetDataSize();
   if (buf_size == 0)
     return false;
 
   scoped_ptr<base::SharedMemory> shared_buf(
       content::RenderThread::Get()->HostAllocateSharedMemoryBuffer(buf_size));
   if (!shared_buf)
     return false;
 
   if (!shared_buf->Map(buf_size))
     return false;
 
   if (!metafile.GetData(shared_buf->memory(), buf_size))
     return false;
 
   return shared_buf->GiveToProcess(base::GetCurrentProcessHandle(),
                                    shared_mem_handle);
 }
 #endif  // defined(OS_POSIX)
 
+#if defined(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)
 
 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 271 matching lines @@
       blink::WebConsoleMessage::LevelWarning, message));
   return false;
 }
 
 void PrintWebViewHelper::ScriptingThrottler::Reset() {
   // Reset counter on successful print.
   count_ = 0;
 }
 
 }  // namespace printing