Move QuicPacketCreator::SerializeAllFrames into QuicPacketCreatorPeer.

net/quic/test_tools/quic_packet_creator_peer.cc

Index: net/quic/test_tools/quic_packet_creator_peer.cc
diff --git a/net/quic/test_tools/quic_packet_creator_peer.cc b/net/quic/test_tools/quic_packet_creator_peer.cc
index 531235c2e8ba68fca2feba062e41f746c910d610..c1b34d66ef6aa376a118221e2033336d648f6498 100644
--- a/net/quic/test_tools/quic_packet_creator_peer.cc
+++ b/net/quic/test_tools/quic_packet_creator_peer.cc
@@ -112,6 +112,23 @@ SerializedPacket QuicPacketCreatorPeer::SerializeFec(QuicPacketCreator* creator,
 }
 
 // static
+SerializedPacket QuicPacketCreatorPeer::SerializeAllFrames(
+    QuicPacketCreator* creator,
+    const QuicFrames& frames,
+    char* buffer,
+    size_t buffer_len) {
+  DCHECK(creator->queued_frames_.empty());
+  DCHECK(!frames.empty());
+  for (const QuicFrame& frame : frames) {
+    bool success = creator->AddFrame(frame, false);
+    DCHECK(success);
+  }
+  SerializedPacket packet = creator->SerializePacket(buffer, buffer_len);
+  DCHECK(packet.retransmittable_frames == nullptr);
+  return packet;
+}
+
+// static
 void QuicPacketCreatorPeer::ResetFecGroup(QuicPacketCreator* creator) {
   creator->ResetFecGroup();
 }