Convert //content/browser from scoped_ptr to std::unique_ptr

content/browser/speech/audio_encoder.cc

Index: content/browser/speech/audio_encoder.cc
diff --git a/content/browser/speech/audio_encoder.cc b/content/browser/speech/audio_encoder.cc
index e4473a0ac429ae813e18fb1e0eba14986b0ba52b..c4431cb3f7d04171b9c3ac3d40a6cf6bd64b66bd 100644
--- a/content/browser/speech/audio_encoder.cc
+++ b/content/browser/speech/audio_encoder.cc
@@ -6,8 +6,9 @@
 
 #include <stddef.h>
 
+#include <memory>
+
 #include "base/logging.h"
-#include "base/memory/scoped_ptr.h"
 #include "base/strings/string_number_conversions.h"
 #include "content/browser/speech/audio_buffer.h"
 
@@ -62,7 +63,7 @@ void AudioEncoder::Encode(const AudioChunk& raw_audio) {
 
   // FLAC encoder wants samples as int32s.
   const int num_samples = raw_audio.NumSamples();
-  scoped_ptr<FLAC__int32[]> flac_samples(new FLAC__int32[num_samples]);
+  std::unique_ptr<FLAC__int32[]> flac_samples(new FLAC__int32[num_samples]);
   FLAC__int32* flac_samples_ptr = flac_samples.get();
   for (int i = 0; i < num_samples; ++i)
     flac_samples_ptr[i] = static_cast<FLAC__int32>(raw_audio.GetSample16(i));