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

chrome/browser/oom_priority_manager.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/oom_priority_manager.h"
 
 #include <list>
 
 #include "base/process.h"
 #include "base/process_util.h"
@@ skipping 30 matching lines @@
 OomPriorityManager::OomPriorityManager() {
   StartTimer();
 }
 
 OomPriorityManager::~OomPriorityManager() {
   StopTimer();
 }
 
 void OomPriorityManager::StartTimer() {
   if (!timer_.IsRunning()) {
-    timer_.Start(FROM_HERE,
-                 TimeDelta::FromSeconds(ADJUSTMENT_INTERVAL_SECONDS),
+    timer_.Start(TimeDelta::FromSeconds(ADJUSTMENT_INTERVAL_SECONDS),
                  this,
                  &OomPriorityManager::AdjustOomPriorities);
   }
 }
 
 void OomPriorityManager::StopTimer() {
   timer_.Stop();
 }
 
 // Returns true if |first| is considered less desirable to be killed
@@ skipping 115 matching lines @@
     if (already_seen.find(iterator->renderer_handle) == already_seen.end()) {
       already_seen.insert(iterator->renderer_handle);
       ZygoteHost::GetInstance()->AdjustRendererOOMScore(
           iterator->renderer_handle, static_cast<int>(priority + 0.5f));
       priority += priority_increment;
     }
   }
 }
 
 }  // namespace browser