Replace MockStatisticsProvider with FakeStatisticsProvider.

chromeos/system/mock_statistics_provider.cc

Index: chromeos/system/mock_statistics_provider.cc
diff --git a/chromeos/system/mock_statistics_provider.cc b/chromeos/system/mock_statistics_provider.cc
deleted file mode 100644
index 66386d3e963ce48eb1fdeba4d742106a7171b55d..0000000000000000000000000000000000000000
--- a/chromeos/system/mock_statistics_provider.cc
+++ /dev/null
@@ -1,15 +0,0 @@
-// 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 "chromeos/system/mock_statistics_provider.h"
-
-namespace chromeos {
-namespace system {
-
-MockStatisticsProvider::MockStatisticsProvider() {}
-
-MockStatisticsProvider::~MockStatisticsProvider() {}
-
-}  // namespace system
-}  // namespace chromeos