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

chrome/browser/net/predictor_unittest.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 <time.h>
 
 #include <algorithm>
 #include <sstream>
 #include <string>
 
@@ skipping 67 matching lines @@
     // cached internally by |host_resolver_|.
     net::RuleBasedHostResolverProc* rules = host_resolver_->rules();
     rules->AddRuleWithLatency("www.google.com", "127.0.0.1", 50);
     rules->AddRuleWithLatency("gmail.google.com.com", "127.0.0.1", 70);
     rules->AddRuleWithLatency("mail.google.com", "127.0.0.1", 44);
     rules->AddRuleWithLatency("gmail.com", "127.0.0.1", 63);
   }
 
   void WaitForResolution(Predictor* predictor, const UrlList& hosts) {
     HelperTimer* timer = new HelperTimer();
-    timer->Start(FROM_HERE, TimeDelta::FromMilliseconds(100),
+    timer->Start(TimeDelta::FromMilliseconds(100),
                  new WaitForResolutionHelper(predictor, hosts, timer),
                  &WaitForResolutionHelper::Run);
     MessageLoop::current()->Run();
   }
 
  private:
   // IMPORTANT: do not move this below |host_resolver_|; the host resolver
   // must not outlive the message loop, otherwise bad things can happen
   // (like posting to a deleted message loop).
   MessageLoop loop_;
@@ skipping 519 matching lines @@
   EXPECT_EQ(2U, referral_list.GetSize());
 
   predictor->DiscardAllResults();
   predictor->SerializeReferrers(&referral_list);
   EXPECT_EQ(1U, referral_list.GetSize());
 
   predictor->Shutdown();
 }
 
 }  // namespace chrome_browser_net