Fix quiche_url_utils_impl.cc to use newer googleurl API.

PiperOrigin-RevId: 449474533

quiche/common/platform/default/quiche_platform_impl/quiche_url_utils_impl.cc

diff --git a/quiche/common/platform/default/quiche_platform_impl/quiche_url_utils_impl.cc b/quiche/common/platform/default/quiche_platform_impl/quiche_url_utils_impl.cc
index bcdfa9b..68e4a5e 100644
--- a/quiche/common/platform/default/quiche_platform_impl/quiche_url_utils_impl.cc
+++ b/quiche/common/platform/default/quiche_platform_impl/quiche_url_utils_impl.cc
@@ -62,6 +62,7 @@
   std::string input_encoded = std::string(input);
   url::RawCanonOutputW<1024> canon_output;
   url::DecodeURLEscapeSequences(input_encoded.c_str(), input_encoded.length(),
+                                url::DecodeURLMode::kUTF8,
                                 &canon_output);
   std::string output;
   output.reserve(canon_output.length());