Remove raw base::DictionaryValue::Set in //content

content/browser/media/media_internals.cc

Index: content/browser/media/media_internals.cc
diff --git a/content/browser/media/media_internals.cc b/content/browser/media/media_internals.cc
index 3828cf06286b5302a5c9bdf04ce9596477e9beec..97b71dd56ddf2c176f9588c81026de4441784886 100644
--- a/content/browser/media/media_internals.cc
+++ b/content/browser/media/media_internals.cc
@@ -779,7 +779,7 @@ static bool ConvertEventToUpdate(int render_process_id,
     dict.SetString("params.pipeline_error",
                    media::MediaLog::PipelineStatusToString(error));
   } else {
-    dict.Set("params", event.params.DeepCopy());
+    dict.Set("params", base::MakeUnique<base::Value>(event.params));
   }
 
   *update = SerializeUpdate("media.onMediaEvent", &dict);
@@ -871,7 +871,7 @@ void MediaInternals::UpdateVideoCaptureDeviceCapabilities(
   video_capture_capabilities_cached_data_.Clear();
 
   for (const auto& device_format_pair : descriptors_and_formats) {
-    base::ListValue* format_list = new base::ListValue();
+    auto format_list = base::MakeUnique<base::ListValue>();
     // TODO(nisse): Representing format information as a string, to be
     // parsed by the javascript handler, is brittle. Consider passing
     // a list of mappings instead.
@@ -887,7 +887,7 @@ void MediaInternals::UpdateVideoCaptureDeviceCapabilities(
         new base::DictionaryValue());
     device_dict->SetString("id", descriptor.device_id);
     device_dict->SetString("name", descriptor.GetNameAndModel());
-    device_dict->Set("formats", format_list);
+    device_dict->Set("formats", std::move(format_list));
 #if defined(OS_WIN) || defined(OS_MACOSX) || defined(OS_LINUX) || \
     defined(OS_ANDROID)
     device_dict->SetString("captureApi", descriptor.GetCaptureApiTypeString());
@@ -970,7 +970,8 @@ void MediaInternals::UpdateAudioLog(AudioLogUpdateType type,
       return;
     } else if (!has_entry) {
       DCHECK_EQ(type, CREATE);
-      audio_streams_cached_data_.Set(cache_key, value->DeepCopy());
+      audio_streams_cached_data_.Set(cache_key,
+                                     base::MakeUnique<base::Value>(*value));
     } else if (type == UPDATE_AND_DELETE) {
       std::unique_ptr<base::Value> out_value;
       CHECK(audio_streams_cached_data_.Remove(cache_key, &out_value));