Revert "Currently, base/timer.cc calls PostTask with FROM_HERE as the Location,

media/audio/audio_output_dispatcher.cc

 // Copyright (c) 2011 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/audio/audio_output_dispatcher.h"
 
 #include "base/compiler_specific.h"
 #include "base/message_loop.h"
 #include "base/time.h"
 #include "media/audio/audio_io.h"
 
 AudioOutputDispatcher::AudioOutputDispatcher(
     AudioManager* audio_manager, const AudioParameters& params,
     int close_delay_ms)
     : audio_manager_(audio_manager),
       message_loop_(audio_manager->GetMessageLoop()),
       params_(params),
       pause_delay_milliseconds_(2 * params.samples_per_packet *
           base::Time::kMillisecondsPerSecond / params.sample_rate),
       paused_proxies_(0),
-      ALLOW_THIS_IN_INITIALIZER_LIST(close_timer_(FROM_HERE,
+      ALLOW_THIS_IN_INITIALIZER_LIST(close_timer_(
           base::TimeDelta::FromMilliseconds(close_delay_ms),
           this, &AudioOutputDispatcher::ClosePendingStreams)) {
 }
 
 AudioOutputDispatcher::~AudioOutputDispatcher() {
 }
 
 bool AudioOutputDispatcher::StreamOpened() {
   DCHECK_EQ(MessageLoop::current(), message_loop_);
   paused_proxies_++;
@@ skipping 99 matching lines @@
   close_timer_.Reset();
 }
 
 // This method is called by |close_timer_|.
 void AudioOutputDispatcher::ClosePendingStreams() {
   while (!idle_streams_.empty()) {
     idle_streams_.back()->Close();
     idle_streams_.pop_back();
   }
 }