Motown: Change media type (stream type) representation

services/media/framework/formatting.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 SERVICES_MEDIA_FRAMEWORK_FORMATTING_H_
 #define SERVICES_MEDIA_FRAMEWORK_FORMATTING_H_
 
 #include <ostream>
 
 #include "services/media/framework/models/demand.h"
@@ skipping 32 matching lines @@
 inline std::ostream& outdent(std::ostream& os) {
   --os.iword(ostream_indent_index());
   return os;
 }
 
 // The following overloads don't add newlines.
 
 std::ostream& operator<<(std::ostream& os, Result value);
 std::ostream& operator<<(std::ostream& os, Demand value);
 std::ostream& operator<<(std::ostream& os, const PacketPtr& value);
-std::ostream& operator<<(std::ostream& os, StreamType::Scheme value);
-std::ostream& operator<<(std::ostream& os, LpcmStreamType::SampleFormat value);
-std::ostream& operator<<(std::ostream& os,
-                         CompressedAudioStreamType::AudioEncoding value);
-std::ostream& operator<<(std::ostream& os,
-                         VideoStreamType::VideoEncoding value);
+std::ostream& operator<<(std::ostream& os, StreamType::Medium value);
+std::ostream& operator<<(std::ostream& os, AudioStreamType::SampleFormat value);
 std::ostream& operator<<(std::ostream& os, VideoStreamType::VideoProfile value);
 std::ostream& operator<<(std::ostream& os, VideoStreamType::PixelFormat value);
 std::ostream& operator<<(std::ostream& os, VideoStreamType::ColorSpace value);
 std::ostream& operator<<(std::ostream& os, const std::unique_ptr<Bytes>& value);
 
 template <typename T>
 std::ostream& operator<<(std::ostream& os, Range<T> value) {
   return os << value.min << ".." << value.max;
 }
 
 std::ostream& operator<<(std::ostream& os, Range<bool> value);
 
 // The following overloads add newlines.
 
 std::ostream& operator<<(std::ostream& os,
                          const std::unique_ptr<StreamType>& value);
 std::ostream& operator<<(std::ostream& os,
                          const std::unique_ptr<StreamTypeSet>& value);
 std::ostream& operator<<(
     std::ostream& os,
     const std::unique_ptr<std::vector<std::unique_ptr<StreamType>>>& value);
 std::ostream& operator<<(
     std::ostream& os,
     const std::unique_ptr<std::vector<std::unique_ptr<StreamTypeSet>>>& value);
 
+template <typename T>
+std::ostream& operator<<(std::ostream& os, const std::vector<T>& value) {
+  if (value.size() == 0) {
+    return os << "<empty>" << std::endl;
+  } else {
+    os << std::endl;
+  }
+
+  int index = 0;
+  for (const T& element : value) {
+    os << begl << "[" << index++ << "] " << element;
+  }
+
+  return os;
+}
+
 }  // namespace media
 }  // namespace mojo
 
 #endif  // SERVICES_MEDIA_FRAMEWORK_FORMATTING_H_