Make "all user" services work when packaged.

mash/task_viewer/task_viewer.cc

 // Copyright 2015 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 "mash/task_viewer/task_viewer.h"
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include "base/bind.h"
@@ skipping 168 matching lines @@
                         uint32_t pid) override {
     for (auto it = instances_.begin(); it != instances_.end(); ++it) {
       if ((*it)->identity == identity) {
         (*it)->pid = pid;
         observer_->OnItemsChanged(
           static_cast<int>(it - instances_.begin()), 1);
         return;
       }
     }
   }
+  void OnServiceFailedToStart(
+      const service_manager::Identity& identity) override {
+  }
   void OnServiceStopped(const service_manager::Identity& identity) override {
     for (auto it = instances_.begin(); it != instances_.end(); ++it) {
       if ((*it)->identity == identity) {
         observer_->OnItemsRemoved(
             static_cast<int>(it - instances_.begin()), 1);
         instances_.erase(it);
         return;
       }
     }
     NOTREACHED();
@@ skipping 127 matching lines @@
   windows_.push_back(window);
 }
 
 void TaskViewer::Create(const service_manager::Identity& remote_identity,
                         mojom::LaunchableRequest request) {
   bindings_.AddBinding(this, std::move(request));
 }
 
 }  // namespace task_viewer
 }  // namespace main