Remove the code to wait on disconnected child processes to get the exit code. This was done in r101…

chrome/browser/metrics/metrics_service.h

 // Copyright (c) 2012 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 defines a service that collects information about the user
 // experience in order to help improve future versions of the app.
 
 #ifndef CHROME_BROWSER_METRICS_METRICS_SERVICE_H_
 #define CHROME_BROWSER_METRICS_METRICS_SERVICE_H_
 #pragma once
@@ skipping 299 matching lines @@
   // Reads, increments and then sets the specified integer preference.
   void IncrementPrefValue(const char* path);
 
   // Reads, increments and then sets the specified long preference that is
   // stored as a string.
   void IncrementLongPrefsValue(const char* path);
 
   // Records a renderer process crash.
   void LogRendererCrash(content::RenderProcessHost* host,
                         base::TerminationStatus status,
-                        int exit_code,
-                        bool was_alive);
+                        int exit_code);
 
   // Records a renderer process hang.
   void LogRendererHang();
 
   // Records that the browser was shut down cleanly.
   void LogCleanShutdown();
 
   // Set the value in preferences for the number of bookmarks and folders
   // in node. The pref key for the number of bookmarks in num_bookmarks_key and
   // the pref key for number of folders in num_folders_key.
@@ skipping 150 matching lines @@
   friend bool prerender::IsOmniboxEnabled(Profile* profile);
   friend class extensions::ExtensionDownloader;
 
   // Returns true if prefs::kMetricsReportingEnabled is set.
   static bool IsMetricsReportingEnabled();
 
   DISALLOW_IMPLICIT_CONSTRUCTORS(MetricsServiceHelper);
 };
 
 #endif  // CHROME_BROWSER_METRICS_METRICS_SERVICE_H_