One perf test for windows VirtualQueryEx calls.

base/process/process_metrics_win.cc

 // Copyright (c) 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 "base/process/process_metrics.h"
 
 #include <windows.h>
 #include <psapi.h>
 #include <stddef.h>
 #include <stdint.h>
@@ skipping 307 matching lines @@
   return GetProcessIoCounters(process_.Get(), io_counters) != FALSE;
 }
 
 ProcessMetrics::ProcessMetrics(ProcessHandle process)
     : processor_count_(SysInfo::NumberOfProcessors()), last_system_time_(0) {
   if (process) {
     HANDLE duplicate_handle;
     BOOL result = ::DuplicateHandle(::GetCurrentProcess(), process,
                                     ::GetCurrentProcess(), &duplicate_handle,
                                     PROCESS_QUERY_INFORMATION, FALSE, 0);
-    DCHECK(result);
+    DPCHECK(result);
     process_.Set(duplicate_handle);
   }
 }
 
 size_t GetSystemCommitCharge() {
   // Get the System Page Size.
   SYSTEM_INFO system_info;
   GetSystemInfo(&system_info);
 
   PERFORMANCE_INFORMATION info;
@@ skipping 22 matching lines @@
 
   meminfo->total = mem_status.ullTotalPhys / 1024;
   meminfo->avail_phys = mem_status.ullAvailPhys / 1024;
   meminfo->swap_total = mem_status.ullTotalPageFile / 1024;
   meminfo->swap_free = mem_status.ullAvailPageFile / 1024;
 
   return true;
 }
 
 }  // namespace base