Removed --disable-print-preview switch and policy.

chrome/browser/ui/webui/print_preview/print_preview_handler.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 "chrome/browser/ui/webui/print_preview/print_preview_handler.h"
 
 #include <ctype.h>
 
 #include <map>
 #include <string>
@@ skipping 731 matching lines @@
 }
 
 void PrintPreviewHandler::HandlePrint(const base::ListValue* args) {
   ReportStats();
 
   // Record the number of times the user requests to regenerate preview data
   // before printing.
   UMA_HISTOGRAM_COUNTS("PrintPreview.RegeneratePreviewRequest.BeforePrint",
                        regenerate_preview_request_count_);
 
-  WebContents* initiator = GetInitiator();
-  if (initiator) {
-    RenderViewHost* rvh = initiator->GetRenderViewHost();
-    rvh->Send(new PrintMsg_ResetScriptedPrintCount(rvh->GetRoutingID()));
-  }
-
   scoped_ptr<base::DictionaryValue> settings(GetSettingsDictionary(args));
   if (!settings.get())
     return;
 
   // Never try to add headers/footers here. It's already in the generated PDF.
   settings->SetBoolean(printing::kSettingHeaderFooterEnabled, false);
 
   bool print_to_pdf = false;
   bool is_cloud_printer = false;
   bool print_with_privet = false;
@@ skipping 84 matching lines @@
     settings->SetInteger(printing::kPreviewUIID,
                          print_preview_ui->GetIDForPrintPreviewUI());
     RenderViewHost* rvh = preview_web_contents()->GetRenderViewHost();
     rvh->Send(new PrintMsg_PrintForPrintPreview(rvh->GetRoutingID(),
                                                 *settings));
 
     // For all other cases above, the preview dialog will stay open until the
     // printing has finished. Then the dialog closes and PrintPreviewDone() gets
     // called. In the case below, since the preview dialog will be hidden and
     // not closed, we need to make this call.
+    WebContents* initiator = GetInitiator();
     if (initiator) {
       printing::PrintViewManager* print_view_manager =
           printing::PrintViewManager::FromWebContents(initiator);
       print_view_manager->PrintPreviewDone();
     }
   }
 }
 
 void PrintPreviewHandler::PrintToPdf() {
   if (!print_to_pdf_path_.empty()) {
@@ skipping 689 matching lines @@
 
 void PrintPreviewHandler::UnregisterForMergeSession() {
   if (reconcilor_)
     reconcilor_->RemoveMergeSessionObserver(this);
 }
 
 void PrintPreviewHandler::SetPdfSavedClosureForTesting(
     const base::Closure& closure) {
   pdf_file_saved_closure_ = closure;
 }