Fix trivial lint errors in FileRecorder and FilePlayer
Mostly, it's about replacing mutable reference arguments with pointer
arguments, and replacing C style casts with C++ style casts.
Review-Url: https://codereview.webrtc.org/2056653002
Cr-Commit-Position: refs/heads/master@{#13849}
diff --git a/webrtc/modules/utility/source/file_player_unittests.cc b/webrtc/modules/utility/source/file_player_unittests.cc
index 8c70952..022bec0 100644
--- a/webrtc/modules/utility/source/file_player_unittests.cc
+++ b/webrtc/modules/utility/source/file_player_unittests.cc
@@ -61,8 +61,8 @@
for (int i = 0; i < output_length_ms / 10; ++i) {
int16_t out[10 * kSampleRateHz / 1000] = {0};
size_t num_samples;
- EXPECT_EQ(0,
- player_->Get10msAudioFromFile(out, num_samples, kSampleRateHz));
+ EXPECT_EQ(
+ 0, player_->Get10msAudioFromFile(out, &num_samples, kSampleRateHz));
checksum.Update(out, num_samples * sizeof(out[0]));
if (FLAGS_file_player_output) {
ASSERT_EQ(num_samples,