Move DecodeFilenameValue and DecodeExt value into http_content_disposition.

net/base/net_util_unittest.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 "net/base/net_util.h"
 
 #include <string.h>
 
 #include <algorithm>
 
@@ skipping 1161 matching lines @@
     },
     { // C-D specified filename disappears.  Failover to final filename.
       "http://www.google.com/test.html",
       "attachment; filename=\"..\"",
       "",
       "",
       "",
       L"default",
       L"default"
     },
-    // Below is a small subset of cases taken from GetFileNameFromCD test above.
+    // Below is a small subset of cases taken from HttpContentDisposition tests.
     {
       "http://www.google.com/",
       "attachment; filename=\"%EC%98%88%EC%88%A0%20"
       "%EC%98%88%EC%88%A0.jpg\"",
       "",
       "",
       "",
       L"",
       L"\uc608\uc220 \uc608\uc220.jpg"
     },
@@ skipping 2071 matching lines @@
       if (it->address[i] != 0) {
         all_zeroes = false;
         break;
       }
     }
     EXPECT_FALSE(all_zeroes);
   }
 }
 
 }  // namespace net