Componentize DriveMetricsProvider*

chrome/browser/metrics/drive_metrics_provider_ios.mm

Index: chrome/browser/metrics/drive_metrics_provider_ios.mm
diff --git a/chrome/browser/metrics/drive_metrics_provider_ios.mm b/chrome/browser/metrics/drive_metrics_provider_ios.mm
deleted file mode 100644
index beb9e8c773f52ec62009f7fe63581d3953a6a271..0000000000000000000000000000000000000000
--- a/chrome/browser/metrics/drive_metrics_provider_ios.mm
+++ /dev/null
@@ -1,12 +0,0 @@
-// 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 "chrome/browser/metrics/drive_metrics_provider.h"
-
-// static
-bool DriveMetricsProvider::HasSeekPenalty(const base::FilePath& path,
-                                          bool* has_seek_penalty) {
-  *has_seek_penalty = false;
-  return true;
-}