Add ProcessMetrics::CreateCurrentProcessMetrics() method.

base/process/process_metrics.cc

 // 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 "base/process/process_metrics.h"
 
 #include "base/logging.h"
 #include "base/values.h"
 
 namespace base {
@@ skipping 25 matching lines @@
   res->Set("meminfo", memory_info_.ToValue());
   res->Set("diskinfo", disk_info_.ToValue());
 #endif
 #if defined(OS_CHROMEOS)
   res->Set("swapinfo", swap_info_.ToValue());
 #endif
 
   return res.Pass();
 }
 
+ProcessMetrics* ProcessMetrics::CreateCurrentProcessMetrics() {
+#if !defined(OS_MACOSX) || defined(OS_IOS)
+  return CreateProcessMetrics(base::GetCurrentProcessHandle());
+#else
+  return CreateProcessMetrics(base::GetCurrentProcessHandle(), nullptr);
+#endif  // !defined(OS_MACOSX) || defined(OS_IOS)
+}
+
 double ProcessMetrics::GetPlatformIndependentCPUUsage() {
 #if defined(OS_WIN)
   return GetCPUUsage() * processor_count_;
 #else
   return GetCPUUsage();
 #endif
 }
 
 #if defined(OS_MACOSX) || defined(OS_LINUX)
 int ProcessMetrics::CalculateIdleWakeupsPerSecond(
@@ skipping 22 matching lines @@
   return (wakeups_delta_for_ms + time_delta / 2) / time_delta;
 }
 #else
 int ProcessMetrics::GetIdleWakeupsPerSecond() {
   NOTIMPLEMENTED();  // http://crbug.com/120488
   return 0;
 }
 #endif  // defined(OS_MACOSX) || defined(OS_LINUX)
 
 }  // namespace base