Convert chrome/common to std::unique_ptr

chrome/common/safe_browsing/binary_feature_extractor.cc

Index: chrome/common/safe_browsing/binary_feature_extractor.cc
diff --git a/chrome/common/safe_browsing/binary_feature_extractor.cc b/chrome/common/safe_browsing/binary_feature_extractor.cc
index a7c3c0d753407a93a090794044c6055f039927b3..ed883db6a82e227c0a688c229dd186a95f11b39b 100644
--- a/chrome/common/safe_browsing/binary_feature_extractor.cc
+++ b/chrome/common/safe_browsing/binary_feature_extractor.cc
@@ -4,12 +4,12 @@
 
 #include "chrome/common/safe_browsing/binary_feature_extractor.h"
 
+#include <memory>
 #include <utility>
 
 #include "base/files/file.h"
 #include "base/files/file_path.h"
 #include "base/files/memory_mapped_file.h"
-#include "base/memory/scoped_ptr.h"
 #include "chrome/common/safe_browsing/csd.pb.h"
 #include "crypto/secure_hash.h"
 #include "crypto/sha2.h"
@@ -50,8 +50,8 @@ void BinaryFeatureExtractor::ExtractDigest(
   base::File file(file_path, base::File::FLAG_OPEN | base::File::FLAG_READ);
   if (file.IsValid()) {
     const int kBufferSize = 1 << 12;
-    scoped_ptr<char[]> buf(new char[kBufferSize]);
-    scoped_ptr<crypto::SecureHash> ctx(
+    std::unique_ptr<char[]> buf(new char[kBufferSize]);
+    std::unique_ptr<crypto::SecureHash> ctx(
         crypto::SecureHash::Create(crypto::SecureHash::SHA256));
     int len = 0;
     while (true) {