Use a direct include of time headers in chrome/browser/, part 4.

chrome/browser/performance_monitor/event.h

 // 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.
 
 #ifndef CHROME_BROWSER_PERFORMANCE_MONITOR_EVENT_H_
 #define CHROME_BROWSER_PERFORMANCE_MONITOR_EVENT_H_
 
+#include "base/memory/scoped_ptr.h"
+#include "base/time/time.h"
 #include "base/values.h"
-#include "base/time.h"
-#include "base/memory/scoped_ptr.h"
 
 namespace performance_monitor {
 
 // IMPORTANT: To add new events, please
 // - Place the new event above EVENT_NUMBER_OF_EVENTS.
 // - Add a member to the EventKeyChar enum in key_builder.cc.
 // - Add the appropriate messages in generated_resources.grd.
 // - Add the appropriate functions in
 //   chrome/browser/ui/webui/performance_monitor/performance_monitor_l10n.h.
 enum EventType {
@@ skipping 54 matching lines @@
   // The time at which the event was recorded.
   base::Time time_;
   // The full JSON-generated value representing the information of the event;
   // these data are described in chrome/browser/performance_monitor/events.json.
   scoped_ptr<base::DictionaryValue> data_;
 };
 
 }  // namespace performance_monitor
 
 #endif  // CHROME_BROWSER_PERFORMANCE_MONITOR_EVENT_H_