Reject some previuosly-escaped chars in hostnames.

net/base/filename_util_unittest.cc

 // Copyright 2014 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 "net/base/filename_util.h"
 
 #include "base/files/file_path.h"
 #include "base/files/file_util.h"
 #include "base/strings/string_util.h"
 #include "base/strings/utf_string_conversions.h"
@@ skipping 164 matching lines @@
           << kUnsafePortableBasenames[i];
     }
   }
 }
 
 TEST(FilenameUtilTest, FileURLConversion) {
   // a list of test file names and the corresponding URLs
   const FileCase round_trip_cases[] = {
 #if defined(OS_WIN)
     {L"C:\\foo\\bar.txt", "file:///C:/foo/bar.txt"},
-    {L"\\\\some computer\\foo\\bar.txt",
-     "file://some%20computer/foo/bar.txt"},  // UNC
+    {L"\\\\some_computer\\foo\\bar.txt",
+     "file://some_computer/foo/bar.txt"},  // UNC
     {L"D:\\Name;with%some symbols*#",
      "file:///D:/Name%3Bwith%25some%20symbols*%23"},
     // issue 14153: To be tested with the OS default codepage other than 1252.
     {L"D:\\latin1\\caf\x00E9\x00DD.txt",
      "file:///D:/latin1/caf%C3%A9%C3%9D.txt"},
     {L"D:\\otherlatin\\caf\x0119.txt", "file:///D:/otherlatin/caf%C4%99.txt"},
     {L"D:\\greek\\\x03B1\x03B2\x03B3.txt",
      "file:///D:/greek/%CE%B1%CE%B2%CE%B3.txt"},
     {L"D:\\Chinese\\\x6240\x6709\x4e2d\x6587\x7f51\x9875.doc",
      "file:///D:/Chinese/%E6%89%80%E6%9C%89%E4%B8%AD%E6%96%87%E7%BD%91"
@@ skipping 879 matching lines @@
   }
 
   for (size_t i = 0; i < arraysize(kUnsafePortableBasenamesForWindows); ++i) {
     EXPECT_TRUE(IsReservedNameOnWindows(
         base::FilePath(kUnsafePortableBasenamesForWindows[i]).value()))
         << kUnsafePortableBasenamesForWindows[i];
   }
 }
 
 }  // namespace net