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

webkit/tools/test_shell/simple_resource_loader_bridge.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.
 //
 // This file contains an implementation of the ResourceLoaderBridge class.
 // The class is implemented using net::URLRequest, meaning it is a "simple"
 // version that directly issues requests. The more complicated one used in the
 // browser uses IPC.
 //
 // Because net::URLRequest only provides an asynchronous resource loading API,
@@ skipping 303 matching lines @@
             path, base::MessageLoopProxy::current());
         file_stream_.Open(
             path, base::PLATFORM_FILE_OPEN | base::PLATFORM_FILE_WRITE);
       }
     }
 
     request_->Start();
 
     if (request_->has_upload() &&
         params->load_flags & net::LOAD_ENABLE_UPLOAD_PROGRESS) {
-      upload_progress_timer_.Start(FROM_HERE,
+      upload_progress_timer_.Start(
           base::TimeDelta::FromMilliseconds(kUpdateUploadProgressIntervalMsec),
           this, &RequestProxy::MaybeUpdateUploadProgress);
     }
 
     delete params;
   }
 
   void AsyncCancel() {
     // This can be null in cases where the request is already done.
     if (!request_.get())
@@ skipping 564 matching lines @@
 
 // static
 scoped_refptr<base::MessageLoopProxy>
     SimpleResourceLoaderBridge::GetIoThread() {
   if (!EnsureIOThread()) {
     LOG(DFATAL) << "Failed to create IO thread.";
     return NULL;
   }
   return g_io_thread->message_loop_proxy();
 }