Export stability metrics to UMA from Blimp engine

blimp/engine/app/blimp_stability_metrics_provider.cc

-// Copyright 2014 The Chromium Authors. All rights reserved.
+// Copyright 2016 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/metrics/chrome_stability_metrics_provider.h"
+#include "blimp/engine/app/blimp_stability_metrics_provider.h"
 
 #include <vector>
 
 #include "base/logging.h"
 #include "base/metrics/histogram.h"
 #include "base/metrics/sparse_histogram.h"
 #include "build/build_config.h"
-#include "chrome/browser/chrome_notification_types.h"
 #include "content/public/browser/child_process_data.h"
 #include "content/public/browser/notification_service.h"
+#include "content/public/browser/notification_types.h"
 #include "content/public/browser/render_process_host.h"
 
-#if defined(ENABLE_EXTENSIONS)
-#include "extensions/browser/process_map.h"
-#endif
-
-#if defined(ENABLE_PLUGINS)
-#include "chrome/browser/metrics/plugin_metrics_provider.h"
-#endif
-
-#if defined(OS_WIN)
-#include <windows.h>  // Needed for STATUS_* codes
-#include "chrome/common/metrics_constants_util_win.h"
-#endif
-
-ChromeStabilityMetricsProvider::ChromeStabilityMetricsProvider(
+BlimpStabilityMetricsProvider::BlimpStabilityMetricsProvider(
     PrefService* local_state)
     : helper_(local_state) {
   BrowserChildProcessObserver::Add(this);
 }
 
-ChromeStabilityMetricsProvider::~ChromeStabilityMetricsProvider() {
+BlimpStabilityMetricsProvider::~BlimpStabilityMetricsProvider() {
   BrowserChildProcessObserver::Remove(this);
 }
 
-void ChromeStabilityMetricsProvider::OnRecordingEnabled() {
+void BlimpStabilityMetricsProvider::OnRecordingEnabled() {
   registrar_.Add(this,
                  content::NOTIFICATION_LOAD_START,
                  content::NotificationService::AllSources());
   registrar_.Add(this,
                  content::NOTIFICATION_RENDERER_PROCESS_CLOSED,
                  content::NotificationService::AllSources());
   registrar_.Add(this,
                  content::NOTIFICATION_RENDER_WIDGET_HOST_HANG,
                  content::NotificationService::AllSources());
 }
 
-void ChromeStabilityMetricsProvider::OnRecordingDisabled() {
+void BlimpStabilityMetricsProvider::OnRecordingDisabled() {
   registrar_.RemoveAll();
 }
 
-void ChromeStabilityMetricsProvider::ProvideStabilityMetrics(
+void BlimpStabilityMetricsProvider::ProvideStabilityMetrics(
     metrics::SystemProfileProto* system_profile_proto) {
   helper_.ProvideStabilityMetrics(system_profile_proto);
 }
 
-void ChromeStabilityMetricsProvider::ClearSavedStabilityMetrics() {
+void BlimpStabilityMetricsProvider::ClearSavedStabilityMetrics() {
   helper_.ClearSavedStabilityMetrics();
 }
 
-void ChromeStabilityMetricsProvider::Observe(
+void BlimpStabilityMetricsProvider::Observe(
     int type,
     const content::NotificationSource& source,
     const content::NotificationDetails& details) {
   switch (type) {
     case content::NOTIFICATION_LOAD_START: {
       helper_.LogLoadStarted();
       break;
     }
 
     case content::NOTIFICATION_RENDERER_PROCESS_CLOSED: {
       content::RenderProcessHost::RendererClosedDetails* process_details =
           content::Details<content::RenderProcessHost::RendererClosedDetails>(
               details).ptr();
       bool was_extension_process = false;
-#if defined(ENABLE_EXTENSIONS)
-      content::RenderProcessHost* host =
-          content::Source<content::RenderProcessHost>(source).ptr();
-      if (extensions::ProcessMap::Get(host->GetBrowserContext())
-              ->Contains(host->GetID())) {
-        was_extension_process = true;
-      }
-#endif
       helper_.LogRendererCrash(was_extension_process, process_details->status,
                                process_details->exit_code);
       break;
     }
 
     case content::NOTIFICATION_RENDER_WIDGET_HOST_HANG:
       helper_.LogRendererHang();
       break;
 
     default:
       NOTREACHED();
       break;
   }
 }
 
-void ChromeStabilityMetricsProvider::BrowserChildProcessCrashed(
+void BlimpStabilityMetricsProvider::BrowserChildProcessCrashed(
     const content::ChildProcessData& data,
     int exit_code) {
-#if defined(ENABLE_PLUGINS)
-  // Exclude plugin crashes from the count below because we report them via
-  // a separate UMA metric.
-  if (PluginMetricsProvider::IsPluginProcess(data.process_type))
-    return;
-#endif
-
   helper_.BrowserChildProcessCrashed();
 }