Mojo C++ bindings: remove some usage of AssociatedGroup from user code.

chrome/browser/ui/ash/launcher/chrome_launcher_controller.cc

 // Copyright 2013 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/ui/ash/launcher/chrome_launcher_controller.h"
 
 #include "base/auto_reset.h"
 #include "base/memory/ptr_util.h"
 #include "chrome/browser/chromeos/arc/arc_util.h"
 #include "chrome/browser/extensions/extension_app_icon_loader.h"
@@ skipping 12 matching lines @@
 
 ChromeLauncherController::~ChromeLauncherController() {
   if (instance_ == this)
     instance_ = nullptr;
 }
 
 void ChromeLauncherController::Init() {
   // Start observing the shelf controller.
   if (ConnectToShelfController()) {
     ash::mojom::ShelfObserverAssociatedPtrInfo ptr_info;
-    observer_binding_.Bind(&ptr_info, shelf_controller_.associated_group());
+    observer_binding_.Bind(&ptr_info);
     shelf_controller_->AddObserver(std::move(ptr_info));
   }
   OnInit();
 }
 
 void ChromeLauncherController::LaunchApp(ash::AppLauncherId id,
                                          ash::LaunchSource source,
                                          int event_flags) {
   launcher_controller_helper_->LaunchApp(id, source, event_flags);
 }
@@ skipping 138 matching lines @@
   // This will uselessly store a preference value for invalid display ids.
   ash::launcher::SetShelfAutoHideBehaviorPref(profile_->GetPrefs(), display_id,
                                               auto_hide);
 }
 
 void ChromeLauncherController::OnAppImageUpdated(const std::string& app_id,
                                                  const gfx::ImageSkia& image) {
   // Implemented by subclasses; this should not be called.
   NOTREACHED();
 }