Convert //sql to use std::unique_ptr

sql/test/test_helpers.cc

 // Copyright 2013 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 "sql/test/test_helpers.h"
 
 #include <stddef.h>
 #include <stdint.h>
 
+#include <memory>
 #include <string>
 
 #include "base/files/file_util.h"
 #include "base/files/scoped_file.h"
 #include "sql/connection.h"
 #include "sql/statement.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace {
 
@@ skipping 108 matching lines @@
   int page_size = 0;
   if (!GetPageSize(&db, &page_size))
     return false;
 
   int page_number = 0;
   if (!GetRootPage(&db, tree_name, &page_number))
     return false;
 
   // SQLite uses 1-based page numbering.
   const long int page_ofs = (page_number - 1) * page_size;
-  scoped_ptr<char[]> page_buf(new char[page_size]);
+  std::unique_ptr<char[]> page_buf(new char[page_size]);
 
   // Get the page into page_buf.
   base::ScopedFILE file(base::OpenFile(db_path, "rb+"));
   if (!file.get())
     return false;
   if (0 != fseek(file.get(), page_ofs, SEEK_SET))
     return false;
   if (1u != fread(page_buf.get(), page_size, 1, file.get()))
     return false;
 
   // Require the page to be a leaf node.  A multilevel tree would be
   // very hard to restore correctly.
   if (page_buf[0] != 0xD && page_buf[0] != 0xA)
     return false;
 
   // The update has to work, and make changes.
   if (!db.Execute(update_sql))
     return false;
   if (db.GetLastChangeCount() == 0)
     return false;
 
   // Ensure that the database is fully flushed.
   db.Close();
 
   // Check that the stored page actually changed.  This catches usage
   // errors where |update_sql| is not related to |tree_name|.
-  scoped_ptr<char[]> check_page_buf(new char[page_size]);
+  std::unique_ptr<char[]> check_page_buf(new char[page_size]);
   // The on-disk data should have changed.
   if (0 != fflush(file.get()))
     return false;
   if (0 != fseek(file.get(), page_ofs, SEEK_SET))
     return false;
   if (1u != fread(check_page_buf.get(), page_size, 1, file.get()))
     return false;
   if (!memcmp(check_page_buf.get(), page_buf.get(), page_size))
     return false;
 
@@ skipping 75 matching lines @@
   sql::Statement statement(db->GetUniqueStatement("PRAGMA integrity_check"));
 
   // SQLite should always return a row of data.
   EXPECT_TRUE(statement.Step());
 
   return statement.ColumnString(0);
 }
 
 }  // namespace test
 }  // namespace sql