Convert //components/sessions from scoped_ptr to std::unique_ptr

components/sessions/core/session_backend.cc

 // Copyright 2012 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 "components/sessions/core/session_backend.h"
 
 #include <stdint.h>
 #include <limits>
 #include <utility>
 
@@ skipping 62 matching lines @@
   // errored_ is set to true.
   bool FillBuffer();
 
   // Whether an error condition has been detected (
   bool errored_;
 
   // As we read from the file, data goes here.
   std::string buffer_;
 
   // The file.
-  scoped_ptr<base::File> file_;
+  std::unique_ptr<base::File> file_;
 
   // Position in buffer_ of the data.
   size_t buffer_position_;
 
   // Number of available bytes; relative to buffer_position_.
   size_t available_count_;
 
   DISALLOW_COPY_AND_ASSIGN(SessionFileReader);
 };
 
@@ skipping 273 matching lines @@
         !current_session_file_->SetLength(header_size))
       current_session_file_.reset(NULL);
   }
   if (!current_session_file_.get())
     current_session_file_.reset(OpenAndWriteHeader(GetCurrentSessionPath()));
   empty_file_ = true;
 }
 
 base::File* SessionBackend::OpenAndWriteHeader(const base::FilePath& path) {
   DCHECK(!path.empty());
-  scoped_ptr<base::File> file(new base::File(
-      path,
-      base::File::FLAG_CREATE_ALWAYS | base::File::FLAG_WRITE |
-      base::File::FLAG_EXCLUSIVE_WRITE | base::File::FLAG_EXCLUSIVE_READ));
+  std::unique_ptr<base::File> file(new base::File(
+      path, base::File::FLAG_CREATE_ALWAYS | base::File::FLAG_WRITE |
+                base::File::FLAG_EXCLUSIVE_WRITE |
+                base::File::FLAG_EXCLUSIVE_READ));
   if (!file->IsValid())
     return NULL;
   FileHeader header;
   header.signature = kFileSignature;
   header.version = kFileCurrentVersion;
   int wrote = file->WriteAtCurrentPos(reinterpret_cast<char*>(&header),
                                       sizeof(header));
   if (wrote != sizeof(header))
     return NULL;
   return file.release();
@@ skipping 11 matching lines @@
 base::FilePath SessionBackend::GetCurrentSessionPath() {
   base::FilePath path = path_to_dir_;
   if (type_ == sessions::BaseSessionService::TAB_RESTORE)
     path = path.AppendASCII(kCurrentTabSessionFileName);
   else
     path = path.AppendASCII(kCurrentSessionFileName);
   return path;
 }
 
 }  // namespace sessions