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

chrome/browser/spellchecker/spellcheck_host_metrics.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/spellchecker/spellcheck_host_metrics.h"
 
 #include "base/md5.h"
 #include "base/metrics/histogram.h"
 
 SpellCheckHostMetrics::SpellCheckHostMetrics()
     : misspelled_word_count_(0),
       spellchecked_word_count_(0),
       suggestion_show_count_(0),
       replaced_word_count_(0),
       start_time_(base::Time::Now()) {
   const uint64 kHistogramTimerDurationInMinutes = 30;
-  recording_timer_.Start(FROM_HERE,
+  recording_timer_.Start(
       base::TimeDelta::FromMinutes(kHistogramTimerDurationInMinutes),
       this, &SpellCheckHostMetrics::OnHistogramTimerExpired);
   RecordWordCounts();
 }
 
 SpellCheckHostMetrics::~SpellCheckHostMetrics() {
 }
 
 void SpellCheckHostMetrics::RecordCustomWordCountStats(size_t count) {
   UMA_HISTOGRAM_COUNTS("SpellCheck.CustomWords", count);
@@ skipping 73 matching lines @@
   RecordWordCounts();
 }
 
 void SpellCheckHostMetrics::RecordWordCounts() {
   UMA_HISTOGRAM_COUNTS("SpellCheck.CheckedWords", spellchecked_word_count_);
   UMA_HISTOGRAM_COUNTS("SpellCheck.MisspelledWords", misspelled_word_count_);
   UMA_HISTOGRAM_COUNTS("SpellCheck.ReplacedWords", replaced_word_count_);
   UMA_HISTOGRAM_COUNTS("SpellCheck.UniqueWords", checked_word_hashes_.size());
   UMA_HISTOGRAM_COUNTS("SpellCheck.ShownSuggestions", suggestion_show_count_);
 }