More memory stats code cleanup:...

chrome/test/perf/mem_usage_mac.cc

Index: chrome/test/perf/mem_usage_mac.cc
===================================================================
--- chrome/test/perf/mem_usage_mac.cc	(revision 31329)
+++ chrome/test/perf/mem_usage_mac.cc	(working copy)
@@ -1,37 +0,0 @@
-// Copyright (c) 2009 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/test/perf/mem_usage.h"
-
-#include <mach/mach.h>
-
-#include <vector>
-
-#include "base/logging.h"
-#include "base/process_util.h"
-#include "chrome/test/chrome_process_util.h"
-
-// Bytes committed by the system.
-size_t GetSystemCommitCharge() {
-  host_name_port_t host = mach_host_self();
-  mach_msg_type_number_t count = HOST_VM_INFO_COUNT;
-  vm_statistics_data_t data;
-  kern_return_t kr = host_statistics(host, HOST_VM_INFO,
-                                     reinterpret_cast<host_info_t>(&data),
-                                     &count);
-  if (kr)
-    return 0;
-
-  vm_size_t page_size;
-  kr = host_page_size(host, &page_size);
-  if (kr)
-    return 0;
-
-  return data.active_count * page_size;
-}
-
-void PrintChromeMemoryUsageInfo() {
-  NOTIMPLEMENTED();
-}
-