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

net/http/http_response_body_drainer.cc

 // Copyright (c) 2010 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 "net/http/http_response_body_drainer.h"
 
 #include "base/compiler_specific.h"
 #include "base/logging.h"
 #include "net/base/io_buffer.h"
 #include "net/base/net_errors.h"
@@ skipping 12 matching lines @@
       session_(NULL) {}
 
 HttpResponseBodyDrainer::~HttpResponseBodyDrainer() {}
 
 void HttpResponseBodyDrainer::Start(HttpNetworkSession* session) {
   read_buf_ = new IOBuffer(kDrainBodyBufferSize);
   next_state_ = STATE_DRAIN_RESPONSE_BODY;
   int rv = DoLoop(OK);
 
   if (rv == ERR_IO_PENDING) {
-    timer_.Start(FROM_HERE,
-                 base::TimeDelta::FromSeconds(kTimeoutInSeconds),
+    timer_.Start(base::TimeDelta::FromSeconds(kTimeoutInSeconds),
                  this,
                  &HttpResponseBodyDrainer::OnTimerFired);
     session_ = session;
     session->AddResponseDrainer(this);
     return;
   }
 
   Finish(rv);
 }
 
@@ skipping 73 matching lines @@
     stream_->Close(true /* no keep-alive */);
   } else {
     DCHECK_EQ(OK, result);
     stream_->Close(false /* keep-alive */);
   }
 
   delete this;
 }
 
 }  // namespace net