Rename QuicSupportedVersions to QuicAllSupportedVersions. Add QuicCurrentSupportedVersions which re…

net/quic/core/quic_protocol.cc

Index: net/quic/core/quic_protocol.cc
diff --git a/net/quic/core/quic_protocol.cc b/net/quic/core/quic_protocol.cc
index aff9d26831f6d1afe988600e9ac093cd3e0ee929..dd908d1ff6f9b611fe7f1f1e53b8a0c1fa13dc31 100644
--- a/net/quic/core/quic_protocol.cc
+++ b/net/quic/core/quic_protocol.cc
@@ -171,7 +171,7 @@ bool ContainsQuicTag(const QuicTagVector& tag_vector, QuicTag tag) {
          tag_vector.end();
 }
 
-QuicVersionVector QuicSupportedVersions() {
+QuicVersionVector AllSupportedVersions() {
   QuicVersionVector supported_versions;
   for (size_t i = 0; i < arraysize(kSupportedQuicVersions); ++i) {
     supported_versions.push_back(kSupportedQuicVersions[i]);
@@ -179,6 +179,10 @@ QuicVersionVector QuicSupportedVersions() {
   return supported_versions;
 }
 
+QuicVersionVector CurrentSupportedVersions() {
+  return FilterSupportedVersions(AllSupportedVersions());
+}
+
 QuicVersionVector FilterSupportedVersions(QuicVersionVector versions) {
   QuicVersionVector filtered_versions(versions.size());
   filtered_versions.clear();  // Guaranteed by spec not to change capacity.
@@ -844,12 +848,12 @@ StringPiece QuicPacket::Plaintext(QuicVersion version) const {
                      length() - start_of_encrypted_data);
 }
 
-QuicVersionManager::QuicVersionManager(QuicVersionVector supported_versions) {
-  enable_quic_version_35_ = FLAGS_quic_enable_version_35;
-  enable_quic_version_36_ = FLAGS_quic_enable_version_36;
-  allowed_supported_versions_ = supported_versions;
-  filtered_supported_versions_ = FilterSupportedVersions(supported_versions);
-}
+QuicVersionManager::QuicVersionManager(QuicVersionVector supported_versions)
+    : enable_quic_version_35_(FLAGS_quic_enable_version_35),
+      enable_quic_version_36_(FLAGS_quic_enable_version_36),
+      allowed_supported_versions_(supported_versions),
+      filtered_supported_versions_(
+          FilterSupportedVersions(supported_versions)) {}
 
 const QuicVersionVector& QuicVersionManager::GetSupportedVersions() {
   if (enable_quic_version_35_ != FLAGS_quic_enable_version_35 ||