Simplify creating RtpHeaderExtensionMap in EventLogAnalyzer

webrtc/modules/rtp_rtcp/source/rtp_header_extension.cc

 /*
  *  Copyright (c) 2012 The WebRTC project authors. All Rights Reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
@@ skipping 54 matching lines @@
 
 RtpHeaderExtensionMap::RtpHeaderExtensionMap() {
   total_values_size_bytes_ = 0;
   for (auto& type : types_)
     type = kInvalidType;
   for (auto& id : ids_)
     id = kInvalidId;
 }
 
 RtpHeaderExtensionMap::RtpHeaderExtensionMap(
-    std::initializer_list<RtpExtension> extensions)
+    rtc::ArrayView<const RtpExtension> extensions)
     : RtpHeaderExtensionMap() {
   for (const RtpExtension& extension : extensions)
     RegisterByUri(extension.id, extension.uri);
 }
 
 bool RtpHeaderExtensionMap::RegisterByType(uint8_t id, RTPExtensionType type) {
   for (const ExtensionInfo& extension : kExtensions)
     if (type == extension.type)
       return Register(id, extension.type, extension.value_size, extension.uri);
   RTC_NOTREACHED();
@@ skipping 55 matching lines @@
   }
   RTC_DCHECK(!IsRegistered(type));
 
   types_[id] = type;
   ids_[type] = id;
   total_values_size_bytes_ += (value_size + 1);
   return true;
 }
 
 }  // namespace webrtc