Don't unescape BiDi control characters in URL components

net/base/escape_unittest.cc

Index: net/base/escape_unittest.cc
diff --git a/net/base/escape_unittest.cc b/net/base/escape_unittest.cc
index 90c246a38abc7773d4a28d48c00b6f99d3b39eb2..766d4e4ea90191604f5a4f7dbb9fa5c1c59c15a4 100644
--- a/net/base/escape_unittest.cc
+++ b/net/base/escape_unittest.cc
@@ -218,6 +218,17 @@ TEST(EscapeTest, UnescapeURLComponent) {
      L"Some%20random text %25%2dOK"},
     {L"Some%20random text %25%2dOK", UnescapeRule::NORMAL,
      L"Some%20random text %25-OK"},
+    {L"Some%20random text %25%E2%80%83OK", UnescapeRule::NORMAL,
+     L"Some%20random text %25\xE2\x80\x83OK"},
+
+    // BiDi Control characters should not be unescaped.
+    {L"Some%20random text %25%E2%80%8EOK", UnescapeRule::NORMAL,
+     L"Some%20random text %25%E2%80%8EOK"},
+    {L"Some%20random text %25%E2%80%AAOK", UnescapeRule::NORMAL,
+     L"Some%20random text %25%E2%80%AAOK"},
+    {L"Some%20random text %25%E2%80%ABOK", UnescapeRule::NORMAL,
+     L"Some%20random text %25%E2%80%ABOK"},
+
     {L"Some%20random text %25%2dOK", UnescapeRule::SPACES,
      L"Some random text %25-OK"},
     {L"Some%20random text %25%2dOK", UnescapeRule::URL_SPECIAL_CHARS,