Printing: Remove backslashes from print job names.

printing/printing_utils.cc

Index: printing/printing_utils.cc
diff --git a/printing/printing_utils.cc b/printing/printing_utils.cc
index b0544e4f1a3e38be1d7ce860fffcde57f18c6c22..353a0aab1e9a4aca65857e0a6f9f61eee6268528 100644
--- a/printing/printing_utils.cc
+++ b/printing/printing_utils.cc
@@ -9,7 +9,7 @@
 #include <algorithm>
 
 #include "base/logging.h"
-
+#include "base/strings/string_util.h"
 #include "base/strings/utf_string_conversions.h"
 #include "third_party/icu/source/common/unicode/uchar.h"
 #include "ui/gfx/text_elider.h"
@@ -28,6 +28,8 @@ base::string16 SimplifyDocumentTitleWithLength(const base::string16& title,
   no_controls.erase(
       std::remove_if(no_controls.begin(), no_controls.end(), &u_iscntrl),
       no_controls.end());
+  base::ReplaceChars(no_controls, base::ASCIIToUTF16("\\"),
+                     base::ASCIIToUTF16("_"), &no_controls);
   base::string16 result;
   gfx::ElideString(no_controls, length, &result);
   return result;
@@ -38,7 +40,7 @@ base::string16 FormatDocumentTitleWithOwnerAndLength(
     const base::string16& title,
     size_t length) {
   const base::string16 separator = base::ASCIIToUTF16(": ");
-  DCHECK(separator.size() < length);
+  DCHECK_LT(separator.size(), length);
 
   base::string16 short_title =
       SimplifyDocumentTitleWithLength(owner, length - separator.size());