Add extra parameter to BrowserChildProcessCrashed to pass the exit_code at time of crash/termination

chromecast/browser/metrics/cast_stability_metrics_provider.cc

 // Copyright 2014 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 "chromecast/browser/metrics/cast_stability_metrics_provider.h"
 
 #include <vector>
 
 #include "base/logging.h"
 #include "base/metrics/histogram.h"
@@ skipping 122 matching lines @@
       LogRendererHang();
       break;
 
     default:
       NOTREACHED();
       break;
   }
 }
 
 void CastStabilityMetricsProvider::BrowserChildProcessCrashed(
-    const content::ChildProcessData& data) {
+    const content::ChildProcessData& data,
+    int exit_code) {
   IncrementPrefValue(prefs::kStabilityChildProcessCrashCount);
 }
 
 void CastStabilityMetricsProvider::LogRendererCrash(
     content::RenderProcessHost* host,
     base::TerminationStatus status,
     int exit_code) {
   if (status == base::TERMINATION_STATUS_PROCESS_CRASHED ||
       status == base::TERMINATION_STATUS_ABNORMAL_TERMINATION) {
     IncrementPrefValue(prefs::kStabilityRendererCrashCount);
 
     UMA_HISTOGRAM_SPARSE_SLOWLY("CrashExitCodes.Renderer",
                                 MapCrashExitCodeForHistogram(exit_code));
     UMA_HISTOGRAM_PERCENTAGE("BrowserRenderProcessHost.ChildCrashes", 1);
   } else if (status == base::TERMINATION_STATUS_PROCESS_WAS_KILLED) {
     UMA_HISTOGRAM_PERCENTAGE("BrowserRenderProcessHost.ChildKills", 1);
   } else if (status == base::TERMINATION_STATUS_STILL_RUNNING) {
     UMA_HISTOGRAM_PERCENTAGE("BrowserRenderProcessHost.DisconnectedAlive", 1);
   }
 }
 
 void CastStabilityMetricsProvider::LogRendererHang() {
   IncrementPrefValue(prefs::kStabilityRendererHangCount);
 }
 
 }  // namespace metrics
 }  // namespace chromecast