Revert of Remove ScopedVector from all other codes in media/

media/formats/webm/opus_packet_builder.cc

Index: media/formats/webm/opus_packet_builder.cc
diff --git a/media/formats/webm/opus_packet_builder.cc b/media/formats/webm/opus_packet_builder.cc
index aa5fa7ad15a46cc868198a751e8752cf7f964d7e..bd85c3c5215afb084ef3bf9f85085688781ffa63 100644
--- a/media/formats/webm/opus_packet_builder.cc
+++ b/media/formats/webm/opus_packet_builder.cc
@@ -2,10 +2,8 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
+#include "base/logging.h"
 #include "media/formats/webm/opus_packet_builder.h"
-
-#include "base/logging.h"
-#include "base/memory/ptr_util.h"
 #include "media/formats/webm/webm_cluster_parser.h"
 
 namespace media {
@@ -64,8 +62,8 @@
   return duration_ms_;
 }
 
-std::vector<std::unique_ptr<OpusPacket>> BuildAllOpusPackets() {
-  std::vector<std::unique_ptr<OpusPacket>> opus_packets;
+ScopedVector<OpusPacket> BuildAllOpusPackets() {
+  ScopedVector<OpusPacket> opus_packets;
 
   for (int frame_count = kMinOpusPacketFrameCount;
        frame_count <= kMaxOpusPacketFrameCount; frame_count++) {
@@ -73,14 +71,14 @@
          opus_config_num++) {
       bool is_VBR = false;
       opus_packets.push_back(
-          base::MakeUnique<OpusPacket>(opus_config_num, frame_count, is_VBR));
+          new OpusPacket(opus_config_num, frame_count, is_VBR));
 
       if (frame_count >= 2) {
         // Add another packet with VBR flag toggled. For frame counts >= 2,
         // VBR triggers changes to packet framing.
         is_VBR = true;
         opus_packets.push_back(
-            base::MakeUnique<OpusPacket>(opus_config_num, frame_count, is_VBR));
+            new OpusPacket(opus_config_num, frame_count, is_VBR));
       }
     }
   }