Consolidate RecordBrowserStartupTime() into one location

base/process_info_win.cc

+// Copyright (c) 2012 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_info.h"
+
+#include <windows.h>
+
+#include "base/basictypes.h"
+#include "base/time.h"
+
+namespace {
+
+using base::Time;
+
+// Returns the process creation time, or NULL if an error occurred.
+Time* ProcessCreationTimeInternal() {
+  FILETIME creation_time = {};
+  FILETIME ignore = {};
+  if (::GetProcessTimes(::GetCurrentProcess(), &creation_time, &ignore,
+      &ignore, &ignore) == false)
+    return NULL;
+
+  return new Time(Time::FromFileTime(creation_time));
+}
+
+}  // namespace
+
+namespace base {
+
+//static
+const Time* CurrentProcessInfo::CreationTime() {
+  static Time* process_creation_time = ProcessCreationTimeInternal();
+  return process_creation_time;
+}
+
+}  // namespace base