Enable PrintWebViewHelper::OnPrintForPrintPreview on all platforms.

chrome/renderer/print_web_view_helper.cc

 // Copyright (c) 2011 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 "chrome/renderer/print_web_view_helper.h"
 
 #include <string>
 
 #include "base/command_line.h"
 #include "base/logging.h"
@@ skipping 148 matching lines @@
     IPC_MESSAGE_HANDLER(PrintMsg_ResetScriptedPrintCount,
                         ResetScriptedPrintCount)
     IPC_MESSAGE_UNHANDLED(handled = false)
     IPC_END_MESSAGE_MAP()
   return handled;
 }
 
 void PrintWebViewHelper::OnPrintForPrintPreview(
     const DictionaryValue& job_settings) {
   DCHECK(is_preview_);
-#if defined(OS_MACOSX)
   // If still not finished with earlier print request simply ignore.
   if (print_web_view_)
     return;
 
   if (!render_view()->webview())
     return;
   WebFrame* main_frame = render_view()->webview()->mainFrame();
   if (!main_frame)
     return;
 
@@ skipping 13 matching lines @@
   }
 
   if (!UpdatePrintSettings(job_settings)) {
     NOTREACHED() << "Failed to update print page settings";
     DidFinishPrinting(true);  // Release all printing resources.
     return;
   }
 
   // Render Pages for printing.
   RenderPagesForPrint(pdf_frame, &pdf_element);
-#endif
 }
 
 bool PrintWebViewHelper::GetPrintFrame(WebKit::WebFrame** frame) {
   DCHECK(frame);
   DCHECK(render_view()->webview());
   if (!render_view()->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).
@@ skipping 472 matching lines @@
 
 void PrintWebViewHelper::ResetScriptedPrintCount() {
   // Reset cancel counter on successful print.
   user_cancelled_scripted_print_count_ = 0;
 }
 
 void PrintWebViewHelper::IncrementScriptedPrintCount() {
   ++user_cancelled_scripted_print_count_;
   last_cancelled_script_print_ = base::Time::Now();
 }