Switch to standard integer types in components/, part 2 of 4.

components/metrics/drive_metrics_provider_linux.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 "components/metrics/drive_metrics_provider.h"
 
 #include <linux/kdev_t.h>  // For MAJOR()/MINOR().
 #include <sys/stat.h>
 #include <string>
 
 #include "base/files/file.h"
 #include "base/files/file_path.h"
 #include "base/files/file_util.h"
 #include "base/strings/stringprintf.h"
+#include "build/build_config.h"
 
 #if defined(OS_CHROMEOS)
 #include "base/sys_info.h"
 #endif
 
 namespace metrics {
 
 namespace {
 
 // See http://www.kernel.org/doc/Documentation/devices.txt for more info.
@@ skipping 30 matching lines @@
   std::string rotational_path = base::StringPrintf(kRotationalFormat, sdX);
   std::string rotates;
   if (!base::ReadFileToString(base::FilePath(rotational_path), &rotates))
     return false;
 
   *has_seek_penalty = rotates.substr(0, 1) == "1";
   return true;
 }
 
 }  // namespace metrics