Add the actual data being read to the OnBytesRead callback, take two....

chrome/browser/task_manager.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 "chrome/browser/task_manager.h"
 
 #include "app/l10n_util.h"
 #include "app/resource_bundle.h"
 #include "base/compiler_specific.h"
 #include "base/i18n/number_formatting.h"
@@ skipping 819 matching lines @@
 
 void TaskManagerModel::OnJobDone(URLRequestJob* job,
                                  const URLRequestStatus& status) {
 }
 
 void TaskManagerModel::OnJobRedirect(URLRequestJob* job,
                                      const GURL& location,
                                      int status_code) {
 }
 
-void TaskManagerModel::OnBytesRead(URLRequestJob* job, int byte_count) {
+void TaskManagerModel::OnBytesRead(URLRequestJob* job, const char* buf,
+                                   int byte_count) {
   int render_process_host_child_id = -1, routing_id = -1;
   ResourceDispatcherHost::RenderViewForRequest(job->request(),
                                                &render_process_host_child_id,
                                                &routing_id);
   // This happens in the IO thread, post it to the UI thread.
   int origin_child_id =
       chrome_browser_net::GetOriginProcessUniqueIDForRequest(job->request());
   ChromeThread::PostTask(
       ChromeThread::UI, FROM_HERE,
       NewRunnableMethod(
@@ skipping 122 matching lines @@
   MetricsMap::const_iterator iter = metrics_map_.find(handle);
   if (iter == metrics_map_.end())
     return false;
 
   if (!iter->second->GetMemoryBytes(&usage->first, &usage->second))
     return false;
 
   memory_usage_map_.insert(std::make_pair(handle, *usage));
   return true;
 }