Reland "Add base::TimeDelta::Max()"

media/base/media_log.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 "media/base/media_log.h"
 
 #include <string>
 
 #include "base/atomic_sequence_num.h"
 #include "base/logging.h"
@@ skipping 123 matching lines @@
 scoped_ptr<MediaLogEvent> MediaLog::CreateStringEvent(
     MediaLogEvent::Type type, const char* property, const std::string& value) {
   scoped_ptr<MediaLogEvent> event(CreateEvent(type));
   event->params.SetString(property, value);
   return event.Pass();
 }
 
 scoped_ptr<MediaLogEvent> MediaLog::CreateTimeEvent(
     MediaLogEvent::Type type, const char* property, base::TimeDelta value) {
   scoped_ptr<MediaLogEvent> event(CreateEvent(type));
-  event->params.SetDouble(property, value.InSecondsF());
+  if (value.is_max())
+    event->params.SetString(property, "unknown");
+  else
+    event->params.SetDouble(property, value.InSecondsF());
   return event.Pass();
 }
 
 scoped_ptr<MediaLogEvent> MediaLog::CreateLoadEvent(const std::string& url) {
   scoped_ptr<MediaLogEvent> event(CreateEvent(MediaLogEvent::LOAD));
   event->params.SetString("url", url);
   return event.Pass();
 }
 
 scoped_ptr<MediaLogEvent> MediaLog::CreateSeekEvent(float seconds) {
@@ skipping 67 matching lines @@
 }
 
 void MediaLog::SetBooleanProperty(
     const char* key, bool value) {
   scoped_ptr<MediaLogEvent> event(CreateEvent(MediaLogEvent::PROPERTY_CHANGE));
   event->params.SetBoolean(key, value);
   AddEvent(event.Pass());
 }
 
 }  //namespace media