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

chrome/browser/chromeos/cros/power_library.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/cros/power_library.h"
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "base/logging.h"
 #include "base/observer_list.h"
@@ skipping 154 matching lines @@
 
 // The stub implementation runs the battery up and down, pausing at the
 // fully charged and fully depleted states.
 class PowerLibraryStubImpl : public PowerLibrary {
  public:
   PowerLibraryStubImpl()
       : discharging_(true),
         battery_percentage_(20),
         pause_count_(0) {
     timer_.Start(
-        FROM_HERE,
         base::TimeDelta::FromMilliseconds(100),
         this,
         &PowerLibraryStubImpl::Update);
   }
 
   virtual ~PowerLibraryStubImpl() {}
 
   // Begin PowerLibrary implementation.
   virtual void Init() OVERRIDE {}
   virtual void AddObserver(Observer* observer) OVERRIDE {
@@ skipping 76 matching lines @@
     impl = new PowerLibraryImpl();
   impl->Init();
   return impl;
 }
 
 }  // namespace chromeos
 
 // Allows InvokeLater without adding refcounting. This class is a Singleton and
 // won't be deleted until it's last InvokeLater is run.
 DISABLE_RUNNABLE_METHOD_REFCOUNT(chromeos::PowerLibraryImpl);