Remove webrtc::ScopedVector

webrtc/modules/audio_processing/beamformer/nonlinear_beamformer.cc

Index: webrtc/modules/audio_processing/beamformer/nonlinear_beamformer.cc
diff --git a/webrtc/modules/audio_processing/beamformer/nonlinear_beamformer.cc b/webrtc/modules/audio_processing/beamformer/nonlinear_beamformer.cc
index 6ea7234f6f61d5b860ff6a0ac5baac9dbb361daa..a55e347a5824bbc5af5165d2f3324148cba00b1c 100644
--- a/webrtc/modules/audio_processing/beamformer/nonlinear_beamformer.cc
+++ b/webrtc/modules/audio_processing/beamformer/nonlinear_beamformer.cc
@@ -334,8 +334,8 @@ void NonlinearBeamformer::InitInterfCovMats() {
   for (size_t i = 0; i < kNumFreqBins; ++i) {
     interf_cov_mats_[i].clear();
     for (size_t j = 0; j < interf_angles_radians_.size(); ++j) {
-      interf_cov_mats_[i].push_back(new ComplexMatrixF(num_input_channels_,
-                                                       num_input_channels_));
+      interf_cov_mats_[i].push_back(std::unique_ptr<ComplexMatrixF>(
+          new ComplexMatrixF(num_input_channels_, num_input_channels_)));
       ComplexMatrixF angled_cov_mat(num_input_channels_, num_input_channels_);
       CovarianceMatrixGenerator::AngledCovarianceMatrix(
           kSpeedOfSoundMeterSeconds,