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

chrome/browser/chromeos/setting_level_bubble.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 "chrome/browser/chromeos/setting_level_bubble.h"
 
 #include <algorithm>
 
 #include <gdk/gdk.h>
 
@@ skipping 130 matching lines @@
     // value on the disappearing bubble; ideally we'd have a way to cancel the
     // fade and show the bubble at full opacity for another
     // kBubbleShowTimeoutMs.
   } else {
     DCHECK(view_);
     hide_timer_.Stop();
     view_->SetIcon(icon);
     view_->SetEnabled(enabled);
   }
 
-  hide_timer_.Start(FROM_HERE,
-                    base::TimeDelta::FromMilliseconds(kBubbleShowTimeoutMs),
+  hide_timer_.Start(base::TimeDelta::FromMilliseconds(kBubbleShowTimeoutMs),
                     this, &SettingLevelBubble::OnHideTimeout);
 }
 
 void SettingLevelBubble::HideBubble() {
   if (bubble_)
     bubble_->Close();
 }
 
 void SettingLevelBubble::UpdateWithoutShowingBubble(double percent,
                                                     bool enabled) {
@@ skipping 63 matching lines @@
     // animation.  This makes us automatically adapt to the repeat rate if a key
     // is being held down to change a setting (which prevents us from lagging
     // behind when the key is finally released).
     int64 duration_ms = kInitialAnimationDurationMs;
     if (!last_target_update_time_.is_null())
       duration_ms = min(kInitialAnimationDurationMs,
                         (now - last_target_update_time_).InMilliseconds());
     target_time_ = now + TimeDelta::FromMilliseconds(duration_ms);
 
     if (!is_animating_) {
-      animation_timer_.Start(FROM_HERE,
-                             TimeDelta::FromMilliseconds(kAnimationIntervalMs),
+      animation_timer_.Start(TimeDelta::FromMilliseconds(kAnimationIntervalMs),
                              this,
                              &SettingLevelBubble::OnAnimationTimeout);
       is_animating_ = true;
       last_animation_update_time_ = now;
     }
   }
 
   last_target_update_time_ = now;
 }
 
 void SettingLevelBubble::StopAnimation() {
   animation_timer_.Stop();
   is_animating_ = false;
 }
 
 }  // namespace chromeos