jankometer: Use the stub implementation for non-Windows.

chrome/browser/jankometer_mac.cc

Index: chrome/browser/jankometer_mac.cc
diff --git a/chrome/browser/jankometer_mac.cc b/chrome/browser/jankometer_mac.cc
deleted file mode 100644
index 882299ae3e0ea7d7d5f7fa25cf8947abe293c093..0000000000000000000000000000000000000000
--- a/chrome/browser/jankometer_mac.cc
+++ /dev/null
@@ -1,13 +0,0 @@
-// Copyright (c) 2010 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/jankometer.h"
-
-void InstallJankometer(const base::CommandLine& parsed_command_line) {
-  // TODO(port): Implement jankometer, http://crbug.com/8077
-}
-
-void UninstallJankometer() {
-  // TODO(port): Implement jankometer, http://crbug.com/8077
-}