Printing: Remove backslashes from print job names.

chrome/browser/printing/print_job_worker.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/printing/print_job_worker.h"
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/callback.h"
 #include "base/compiler_specific.h"
 #include "base/location.h"
 #include "base/message_loop/message_loop.h"
 #include "base/single_thread_task_runner.h"
+#include "base/strings/string_util.h"
+#include "base/strings/utf_string_conversions.h"
 #include "base/thread_task_runner_handle.h"
 #include "base/values.h"
 #include "build/build_config.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/chrome_notification_types.h"
 #include "chrome/browser/printing/print_job.h"
 #include "chrome/common/features.h"
 #include "chrome/grit/generated_resources.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/notification_service.h"
@@ skipping 226 matching lines @@
   DCHECK_EQ(page_number_, PageNumber::npos());
   DCHECK_EQ(document_.get(), new_document);
   DCHECK(document_.get());
 
   if (!document_.get() || page_number_ != PageNumber::npos() ||
       document_.get() != new_document) {
     return;
   }
 
   base::string16 document_name =
       printing::SimplifyDocumentTitle(document_->name());

[Vitaly Buka (NO REVIEWS), 2016/02/02 04:50:37]

Maybe in SimplifyDocumentTitle?
That was added for similar issues

   if (document_name.empty()) {
     document_name = printing::SimplifyDocumentTitle(
         l10n_util::GetStringUTF16(IDS_DEFAULT_PRINT_DOCUMENT_TITLE));
   }
+  base::ReplaceChars(document_name, base::ASCIIToUTF16("\\"),
+                     base::ASCIIToUTF16("_"), &document_name);
   PrintingContext::Result result =
       printing_context_->NewDocument(document_name);
   if (result != PrintingContext::OK) {
     OnFailure();
     return;
   }
 
   // Try to print already cached data. It may already have been generated for
   // the print preview.
   OnNewPage();
@@ skipping 162 matching lines @@
                               document_,
                               scoped_refptr<PrintedPage>()));
   Cancel();
 
   // Makes sure the variables are reinitialized.
   document_ = NULL;
   page_number_ = PageNumber::npos();
 }
 
 }  // namespace printing