Reland of Remove ScopedVector from all other codes in media/

media/cdm/aes_decryptor_unittest.cc

Index: media/cdm/aes_decryptor_unittest.cc
diff --git a/media/cdm/aes_decryptor_unittest.cc b/media/cdm/aes_decryptor_unittest.cc
index 856a2e575f95841d240e070151b164a3fe9e4f1e..8dd4e700d5ddd747e2ea2c47936e7618ceb0aa3c 100644
--- a/media/cdm/aes_decryptor_unittest.cc
+++ b/media/cdm/aes_decryptor_unittest.cc
@@ -387,7 +387,7 @@ class AesDecryptorTest : public testing::TestWithParam<std::string> {
   bool KeysInfoContains(const std::vector<uint8_t>& expected_key_id,
                         CdmKeyInformation::KeyStatus expected_status =
                             CdmKeyInformation::USABLE) {
-    for (auto* key_id : cdm_client_.keys_info()) {
+    for (auto& key_id : cdm_client_.keys_info()) {
       if (key_id->key_id == expected_key_id &&
           key_id->status == expected_status) {
         return true;