Moved SimplifyDocumentTitle from printing/backend

chrome/service/cloud_print/printer_job_handler.cc

Index: chrome/service/cloud_print/printer_job_handler.cc
diff --git a/chrome/service/cloud_print/printer_job_handler.cc b/chrome/service/cloud_print/printer_job_handler.cc
index 1db83015f85d150412918c2842d931128493c8a6..f41e8264bb769637fb0455229f6cb63ba215842b 100644
--- a/chrome/service/cloud_print/printer_job_handler.cc
+++ b/chrome/service/cloud_print/printer_job_handler.cc
@@ -21,7 +21,7 @@
 #include "net/base/mime_util.h"
 #include "net/http/http_response_headers.h"
 #include "net/http/http_status_code.h"
-#include "printing/backend/print_backend.h"
+#include "printing/printing_utils.h"
 #include "ui/base/l10n/l10n_util.h"
 #include "url/gurl.h"
 
@@ -767,10 +767,9 @@ void PrinterJobHandler::DoPrint(const JobDetails& job_details,
   if (!job_spooler_.get())
     return;
   string16 document_name =
-      printing::PrintBackend::SimplifyDocumentTitle(
-          UTF8ToUTF16(job_details.job_title_));
+      printing::SimplifyDocumentTitle(UTF8ToUTF16(job_details.job_title_));
   if (document_name.empty()) {
-    document_name = printing::PrintBackend::SimplifyDocumentTitle(
+    document_name = printing::SimplifyDocumentTitle(
         l10n_util::GetStringUTF16(IDS_DEFAULT_PRINT_DOCUMENT_TITLE));
   }
   UMA_HISTOGRAM_ENUMERATION("CloudPrint.JobHandlerEvent",