Task manager tracking RenderProcessHosts processes

chrome/browser/task_manager/providers/web_contents/renderer_task.cc

 // Copyright 2015 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/providers/web_contents/renderer_task.h"
 
 #include <utility>
 
 #include "base/i18n/rtl.h"
 #include "base/numerics/safe_conversions.h"
@@ skipping 56 matching lines @@
       render_process_host_(render_process_host),
       renderer_resources_sampler_(
           CreateRendererResourcesSampler(render_process_host_)),
       render_process_id_(render_process_host_->GetID()),
       v8_memory_allocated_(0),
       v8_memory_used_(0),
       webcache_stats_(blink::WebCache::ResourceTypeStats()),
       profile_name_(GetRendererProfileName(render_process_host_)),
       termination_status_(base::TERMINATION_STATUS_STILL_RUNNING),
       termination_error_code_(0) {
-  // All renderer tasks are capable of reporting network usage, so the default
-  // invalid value of -1 doesn't apply here.
   OnNetworkBytesRead(0);
 
   // Tag the web_contents with a |ContentFaviconDriver| (if needed) so that
   // we can use it to observe favicons changes.
   favicon::CreateContentFaviconDriverForWebContents(web_contents);
   favicon::ContentFaviconDriver::FromWebContents(web_contents)->AddObserver(
       this);
 }
 
 RendererTask::~RendererTask() {
@@ skipping 146 matching lines @@
     if (is_incognito)
       message_id = IDS_TASK_MANAGER_EXTENSION_INCOGNITO_PREFIX;
     else
       message_id = IDS_TASK_MANAGER_EXTENSION_PREFIX;
   }
 
   return l10n_util::GetStringFUTF16(message_id, title);
 }
 
 }  // namespace task_manager