Add TaskManagerEndProcessEnabled policy

chrome/browser/task_manager/task_manager.cc

Index: chrome/browser/task_manager/task_manager.cc
diff --git a/chrome/browser/task_manager/task_manager.cc b/chrome/browser/task_manager/task_manager.cc
index f179f70a994626b5e07cb31ef31ebdd9dfcce010..91f80c92f62feada8cea2074baba0978017f0eeb 100644
--- a/chrome/browser/task_manager/task_manager.cc
+++ b/chrome/browser/task_manager/task_manager.cc
@@ -1513,6 +1513,16 @@ Resource* TaskManagerModel::GetResource(int index) const {
 void TaskManager::RegisterPrefs(PrefRegistrySimple* registry) {
   registry->RegisterDictionaryPref(prefs::kTaskManagerWindowPlacement);
   registry->RegisterDictionaryPref(prefs::kTaskManagerColumnVisibility);
+  registry->RegisterBooleanPref(prefs::kTaskManagerEndProcessEnabled, true);
+}
+
+// static
+bool TaskManager::IsEndProcessEnabled() {
+  if (g_browser_process->local_state()) {
+    return g_browser_process->local_state()->GetBoolean(
+        prefs::kTaskManagerEndProcessEnabled);
+  }
+  return true;
 }
 
 bool TaskManager::IsBrowserProcess(int index) const {