[chrome.displaySource] Prebuild program specific information tables.

extensions/renderer/api/display_source/wifi_display/wifi_display_media_packetizer.h

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef EXTENSIONS_RENDERER_API_DISPLAY_SOURCE_WIFI_DISPLAY_WIFI_DISPLAY_MEDIA_PACKETIZER_H_
 #define EXTENSIONS_RENDERER_API_DISPLAY_SOURCE_WIFI_DISPLAY_WIFI_DISPLAY_MEDIA_PACKETIZER_H_
 
 #include <vector>
 
 #include "base/callback.h"
@@ skipping 20 matching lines @@
 //
 // Whenever a media datagram packet is fully created and thus ready for further
 // processing, a callback is called.
 class WiFiDisplayMediaPacketizer : public WiFiDisplayTransportStreamPacketizer {
  public:
   using PacketizedCallback =
       base::Callback<bool(WiFiDisplayMediaDatagramPacket)>;
 
   WiFiDisplayMediaPacketizer(
       const base::TimeDelta& delay_for_unit_time_stamps,
-      std::vector<WiFiDisplayElementaryStreamInfo> stream_infos,
+      const std::vector<WiFiDisplayElementaryStreamInfo>& stream_infos,
       const PacketizedCallback& on_packetized);
   ~WiFiDisplayMediaPacketizer() override;
 
  protected:
   bool OnPacketizedTransportStreamPacket(
       const WiFiDisplayTransportStreamPacket& transport_stream_packet,
       bool flush) override;
 
  private:
   using SourceIdentifier = uint8_t[4];
 
   WiFiDisplayMediaDatagramPacket media_datagram_packet_;
   PacketizedCallback on_packetized_media_datagram_packet_;
   uint16_t sequence_number_;
   SourceIdentifier synchronization_source_identifier_;
 };
 
 }  // namespace extensions
 
 #endif  // EXTENSIONS_RENDERER_API_DISPLAY_SOURCE_WIFI_DISPLAY_WIFI_DISPLAY_MEDIA_PACKETIZER_H_