Pull latest googleurl to get it to stop unescaping at signs in paths....

net/base/escape_unittest.cc

 // Copyright (c) 2009 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 <string>
 
 #include "net/base/escape.h"
 
 #include "base/basictypes.h"
 #include "base/i18n/icu_string_conversions.h"
@@ skipping 220 matching lines @@
      UnescapeRule::SPACES | UnescapeRule::URL_SPECIAL_CHARS,
      L"Some random text %;OK"},
     {L"%A0%B1%C2%D3%E4%F5", UnescapeRule::NORMAL, L"\xA0\xB1\xC2\xD3\xE4\xF5"},
     {L"%Aa%Bb%Cc%Dd%Ee%Ff", UnescapeRule::NORMAL, L"\xAa\xBb\xCc\xDd\xEe\xFf"},
     // Certain URL-sensitive characters should not be unescaped unless asked.
     {L"Hello%20%13%10world %23# %3F? %3D= %26& %25% %2B+", UnescapeRule::SPACES,
      L"Hello %13%10world %23# %3F? %3D= %26& %25% %2B+"},
     {L"Hello%20%13%10world %23# %3F? %3D= %26& %25% %2B+",
      UnescapeRule::URL_SPECIAL_CHARS,
      L"Hello%20%13%10world ## ?? == && %% ++"},
+    // We can neither escape nor unescape '@' since some websites expect it to
+    // be preserved as either '@' or "%40".
+    // See http://b/996720 and http://crbug.com/23933 .
+    {L"me@my%40example", UnescapeRule::NORMAL, L"me@my%40example"},
     // Control characters.
     {L"%01%02%03%04%05%06%07%08%09 %25", UnescapeRule::URL_SPECIAL_CHARS,
      L"%01%02%03%04%05%06%07%08%09 %"},
     {L"%01%02%03%04%05%06%07%08%09 %25", UnescapeRule::CONTROL_CHARS,
      L"\x01\x02\x03\x04\x05\x06\x07\x08\x09 %25"},
     {L"Hello%20%13%10%02", UnescapeRule::SPACES, L"Hello %13%10%02"},
     {L"Hello%20%13%10%02", UnescapeRule::CONTROL_CHARS,
      L"Hello%20\x13\x10\x02"},
     {L"Hello\x9824\x9827", UnescapeRule::CONTROL_CHARS,
      L"Hello\x9824\x9827"},
@@ skipping 133 matching lines @@
     { "&#39;", "'" },
     { "&lt;", "<" },
     { "&gt;", ">" },
     { "&amp; &", "& &" },
   };
   for (size_t i = 0; i < arraysize(tests); ++i) {
     string16 result = UnescapeForHTML(ASCIIToUTF16(tests[i].input));
     EXPECT_EQ(ASCIIToUTF16(tests[i].expected_output), result);
   }
 }