Revert of Replace scoped_ptr with unique_ptr in webrtc/common_audio/

webrtc/common_audio/resampler/include/push_resampler.h

Index: webrtc/common_audio/resampler/include/push_resampler.h
diff --git a/webrtc/common_audio/resampler/include/push_resampler.h b/webrtc/common_audio/resampler/include/push_resampler.h
index 31e08e3640fefbc18118587b7d07dcc4143473f8..eeda79049707e00600a0ad1d9361834e2f6f738d 100644
--- a/webrtc/common_audio/resampler/include/push_resampler.h
+++ b/webrtc/common_audio/resampler/include/push_resampler.h
@@ -11,8 +11,7 @@
 #ifndef WEBRTC_COMMON_AUDIO_RESAMPLER_INCLUDE_PUSH_RESAMPLER_H_
 #define WEBRTC_COMMON_AUDIO_RESAMPLER_INCLUDE_PUSH_RESAMPLER_H_
 
-#include <memory>
-
+#include "webrtc/base/scoped_ptr.h"
 #include "webrtc/typedefs.h"
 
 namespace webrtc {
@@ -37,15 +36,15 @@
   int Resample(const T* src, size_t src_length, T* dst, size_t dst_capacity);
 
  private:
-  std::unique_ptr<PushSincResampler> sinc_resampler_;
-  std::unique_ptr<PushSincResampler> sinc_resampler_right_;
+  rtc::scoped_ptr<PushSincResampler> sinc_resampler_;
+  rtc::scoped_ptr<PushSincResampler> sinc_resampler_right_;
   int src_sample_rate_hz_;
   int dst_sample_rate_hz_;
   size_t num_channels_;
-  std::unique_ptr<T[]> src_left_;
-  std::unique_ptr<T[]> src_right_;
-  std::unique_ptr<T[]> dst_left_;
-  std::unique_ptr<T[]> dst_right_;
+  rtc::scoped_ptr<T[]> src_left_;
+  rtc::scoped_ptr<T[]> src_right_;
+  rtc::scoped_ptr<T[]> dst_left_;
+  rtc::scoped_ptr<T[]> dst_right_;
 };
 
 }  // namespace webrtc