Replace scoped_ptr with std::unique_ptr in //media.

media/cdm/cenc_utils.cc

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "media/cdm/cenc_utils.h"
 
+#include <memory>
+
 #include "base/macros.h"
-#include "base/memory/scoped_ptr.h"
 #include "media/formats/mp4/box_definitions.h"
 #include "media/formats/mp4/box_reader.h"
 
 namespace media {
 
 // The initialization data for encrypted media files using the ISO Common
 // Encryption ('cenc') protection scheme may contain one or more protection
 // system specific header ('pssh') boxes.
 // ref: https://w3c.github.io/encrypted-media/cenc-format.html
 
@@ skipping 12 matching lines @@
     std::vector<mp4::FullProtectionSystemSpecificHeader>* pssh_boxes) {
   DCHECK(!input.empty());
 
   // Verify that |input| contains only 'pssh' boxes.
   // ReadAllChildrenAndCheckFourCC() is templated, so it checks that each
   // box in |input| matches the box type of the parameter (in this case
   // mp4::ProtectionSystemSpecificHeader is a 'pssh' box).
   // mp4::ProtectionSystemSpecificHeader doesn't validate the 'pssh' contents,
   // so this simply verifies that |input| only contains 'pssh' boxes and
   // nothing else.
-  scoped_ptr<mp4::BoxReader> input_reader(
+  std::unique_ptr<mp4::BoxReader> input_reader(
       mp4::BoxReader::ReadConcatentatedBoxes(input.data(), input.size()));
   std::vector<mp4::ProtectionSystemSpecificHeader> raw_pssh_boxes;
   if (!input_reader->ReadAllChildrenAndCheckFourCC(&raw_pssh_boxes))
     return false;
 
   // Now that we have |input| parsed into |raw_pssh_boxes|, reparse each one
   // into a mp4::FullProtectionSystemSpecificHeader, which extracts all the
   // relevant fields from the box. Since there may be unparseable 'pssh' boxes
   // (due to unsupported version, for example), this is done one by one,
   // ignoring any boxes that can't be parsed.
   for (const auto& raw_pssh_box : raw_pssh_boxes) {
-    scoped_ptr<mp4::BoxReader> raw_pssh_reader(
+    std::unique_ptr<mp4::BoxReader> raw_pssh_reader(
         mp4::BoxReader::ReadConcatentatedBoxes(raw_pssh_box.raw_box.data(),
                                                raw_pssh_box.raw_box.size()));
     // ReadAllChildren() appends any successfully parsed box onto it's
     // parameter, so |pssh_boxes| will contain the collection of successfully
     // parsed 'pssh' boxes. If an error occurs, try the next box.
     if (!raw_pssh_reader->ReadAllChildrenAndCheckFourCC(pssh_boxes))
       continue;
   }
 
   // Must have successfully parsed at least one 'pssh' box.
@@ skipping 53 matching lines @@
       pssh_data->assign(child.data.begin(), child.data.end());
       return true;
     }
   }
 
   // No matching 'pssh' box found.
   return false;
 }
 
 }  // namespace media