Record shutdown type UMA

chrome/browser/browser_shutdown.cc

Index: chrome/browser/browser_shutdown.cc
diff --git a/chrome/browser/browser_shutdown.cc b/chrome/browser/browser_shutdown.cc
index 4af6c31b616b2c4205cb17d72e21bb679a6d0baf..7e7b39f185243acc8dceea75338581cc03aeb6b9 100644
--- a/chrome/browser/browser_shutdown.cc
+++ b/chrome/browser/browser_shutdown.cc
@@ -170,14 +170,7 @@ bool ShutdownPreThreadsStop() {
   if (metrics)
     metrics->RecordCompletedSessionEnd();
 
-  if (g_shutdown_type > NOT_VALID && g_shutdown_num_processes > 0) {
-    // Record the shutdown info so that we can put it into a histogram at next
-    // startup.
-    prefs->SetInteger(prefs::kShutdownType, g_shutdown_type);
-    prefs->SetInteger(prefs::kShutdownNumProcesses, g_shutdown_num_processes);
-    prefs->SetInteger(prefs::kShutdownNumProcessesSlow,
-                      g_shutdown_num_processes_slow);
-  }
+  RecordShutdownInfoPrefs();
 
   // Check local state for the restart flag so we can restart the session below.
   bool restart_last_session = false;
@@ -198,6 +191,18 @@ bool ShutdownPreThreadsStop() {
   return restart_last_session;
 }
 
+void RecordShutdownInfoPrefs() {
+  if (g_shutdown_type > NOT_VALID && g_shutdown_num_processes > 0) {
+    PrefService* prefs = g_browser_process->local_state();
+    // Record the shutdown info so that we can put it into a histogram at next
+    // startup.
+    prefs->SetInteger(prefs::kShutdownType, g_shutdown_type);
+    prefs->SetInteger(prefs::kShutdownNumProcesses, g_shutdown_num_processes);
+    prefs->SetInteger(prefs::kShutdownNumProcessesSlow,
+                      g_shutdown_num_processes_slow);
+  }
+}
+
 void ShutdownPostThreadsStop(int shutdown_flags) {
   delete g_browser_process;
   g_browser_process = NULL;
@@ -327,6 +332,8 @@ void ReadLastShutdownInfo() {
   prefs->SetInteger(prefs::kShutdownNumProcesses, 0);
   prefs->SetInteger(prefs::kShutdownNumProcessesSlow, 0);
 
+  UMA_HISTOGRAM_ENUMERATION("Shutdown.ShutdownType", type, kNumShutdownTypes);
+
   // Read and delete the file on the file thread.
   BrowserThread::PostTask(
       BrowserThread::FILE, FROM_HERE,