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

chrome/browser/extensions/extensions_quota_service.cc

 // Copyright (c) 2009 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/extensions/extensions_quota_service.h"
 
 #include "base/message_loop.h"
 #include "base/stl_util.h"
 #include "chrome/browser/extensions/extension_function.h"
 
 // If the browser stays open long enough, we reset state once a day.
 // Whatever this value is, it should be an order of magnitude longer than
 // the longest interval in any of the QuotaLimitHeuristics in use.
 static const int kPurgeIntervalInDays = 1;
 
 const char QuotaLimitHeuristic::kGenericOverQuotaError[] =
     "This request exceeds available quota.";
 
 ExtensionsQuotaService::ExtensionsQuotaService() {
   if (MessageLoop::current() != NULL) {  // Null in unit tests.
-    purge_timer_.Start(FROM_HERE,
-                       base::TimeDelta::FromDays(kPurgeIntervalInDays),
+    purge_timer_.Start(base::TimeDelta::FromDays(kPurgeIntervalInDays),
                        this, &ExtensionsQuotaService::Purge);
   }
 }
 
 ExtensionsQuotaService::~ExtensionsQuotaService() {
   purge_timer_.Stop();
   Purge();
 }
 
 bool ExtensionsQuotaService::Assess(const std::string& extension_id,
@@ skipping 114 matching lines @@
       return false;
     }
   }
 
   // We can go negative since we check has_tokens when we get to *next* bucket,
   // and for the small interval all that matters is whether we used up all the
   // tokens (which is true if num_tokens_ <= 0).
   bucket->DeductToken();
   return true;
 }