Update base/timer.h code to pass through Location from call sites.

chrome/browser/autocomplete/search_provider.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/autocomplete/search_provider.h"
 
 #include <algorithm>
 #include <cmath>
 
 #include "base/callback.h"
@@ skipping 347 matching lines @@
 
   // We'll have at least one pending fetch. Set it to 1 now, but the value is
   // correctly set in Run. As Run isn't invoked immediately we need to set this
   // now, else we won't think we're waiting on results from the server when we
   // really are.
   suggest_results_pending_ = 1;
 
   // Kick off a timer that will start the URL fetch if it completes before
   // the user types another character.
   int delay = query_suggest_immediately_ ? 0 : kQueryDelayMs;
-  timer_.Start(TimeDelta::FromMilliseconds(delay), this, &SearchProvider::Run);
+  timer_.Start(TimeDelta::FromMilliseconds(delay), this, &SearchProvider::Run,
+               FROM_HERE);
 }
 
 bool SearchProvider::IsQuerySuitableForSuggest() const {
   // Don't run Suggest in incognito mode, the engine doesn't support it, or
   // the user has disabled it.
   if (profile_->IsOffTheRecord() ||
       (!providers_.valid_suggest_for_keyword_provider() &&
        !providers_.valid_suggest_for_default_provider()) ||
       !profile_->GetPrefs()->GetBoolean(prefs::kSearchSuggestEnabled))
     return false;
@@ skipping 565 matching lines @@
 
   return match;
 }
 
 void SearchProvider::UpdateDone() {
   // We're done when there are no more suggest queries pending (this is set to 1
   // when the timer is started) and we're not waiting on instant.
   done_ = ((suggest_results_pending_ == 0) &&
            (instant_finalized_ || !InstantController::IsEnabled(profile_)));
 }