Remove UnescapeRule::URL_SPECIAL_CHARS from components/

components/signin/core/browser/signin_header_helper.cc

Index: components/signin/core/browser/signin_header_helper.cc
diff --git a/components/signin/core/browser/signin_header_helper.cc b/components/signin/core/browser/signin_header_helper.cc
index 319b6f88d08d1aaf85776736f45f4f3b5e197c9d..578cb5806cf889ec323d359d175515b17120ffdd 100644
--- a/components/signin/core/browser/signin_header_helper.cc
+++ b/components/signin/core/browser/signin_header_helper.cc
@@ -78,9 +78,10 @@ MirrorResponseHeaderDictionary ParseMirrorResponseHeader(
       DLOG(WARNING) << "Unexpected GAIA header field '" << field << "'.";
       continue;
     }
-    dictionary[field.substr(0, delim).as_string()] =
-        net::UnescapeURLComponent(field.substr(delim + 1).as_string(),
-                                  net::UnescapeRule::URL_SPECIAL_CHARS);
+    dictionary[field.substr(0, delim).as_string()] = net::UnescapeURLComponent(
+        field.substr(delim + 1).as_string(),
+        net::UnescapeRule::PATH_SEPARATORS |
+            net::UnescapeRule::URL_SPECIAL_CHARS_EXCEPT_PATH_SEPARATORS);
   }
   return dictionary;
 }