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

jingle/glue/pseudotcp_adapter.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 "jingle/glue/pseudotcp_adapter.h"
 
 #include "base/logging.h"
 #include "base/time.h"
 #include "net/base/address_list.h"
 #include "net/base/completion_callback.h"
@@ skipping 351 matching lines @@
   socket_write_pending_ = false;
   if (result < 0) {
     LOG(WARNING) << "Write failed. Error code: " << result;
   }
 }
 
 void PseudoTcpAdapter::Core::AdjustClock() {
   long timeout = 0;
   if (pseudo_tcp_.GetNextClock(PseudoTcp::Now(), timeout)) {
     timer_.Stop();
-    timer_.Start(FROM_HERE,
-                 base::TimeDelta::FromMilliseconds(std::max(timeout, 0L)), this,
+    timer_.Start(base::TimeDelta::FromMilliseconds(std::max(timeout, 0L)), this,
                  &PseudoTcpAdapter::Core::HandleTcpClock);
   }
 }
 
 void PseudoTcpAdapter::Core::HandleTcpClock() {
   // Reference the Core in case a callback deletes the adapter.
   scoped_refptr<Core> core(this);
 
   pseudo_tcp_.NotifyClock(PseudoTcp::Now());
   AdjustClock();
@@ skipping 116 matching lines @@
   DCHECK(CalledOnValidThread());
   core_->SetAckDelay(delay_ms);
 }
 
 void PseudoTcpAdapter::SetNoDelay(bool no_delay) {
   DCHECK(CalledOnValidThread());
   core_->SetNoDelay(no_delay);
 }
 
 }  // namespace jingle_glue