Change GetBrowserItemIndex() to GetLauncherItemIndexForType()

ash/shell.cc

 // Copyright (c) 2012 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 "ash/shell.h"
 
 #include <algorithm>
 #include <string>
 
 #include "ash/accelerators/accelerator_controller.h"
@@ skipping 473 matching lines @@
     launcher_model_.reset(new LauncherModel);
     // Creates LauncherItemDelegateManager before LauncherDelegate.
     launcher_item_delegate_manager_.reset(
         new LauncherItemDelegateManager(launcher_model_.get()));
 
     launcher_delegate_.reset(
         delegate_->CreateLauncherDelegate(launcher_model_.get()));
     scoped_ptr<LauncherItemDelegate> controller(
         new internal::AppListShelfItemDelegate);
 
-    ash::LauncherID app_list_id = 0;
-    // TODO(simon.hong81): Make function for this in shelf_util.h
     // Finding the launcher model's location of the app list and setting its
     // LauncherItemDelegate.
-    for (size_t i = 0; i < launcher_model_->items().size(); ++i) {
-      if (launcher_model_->items()[i].type == ash::TYPE_APP_LIST) {
-        app_list_id = launcher_model_->items()[i].id;
-        break;
-      }
-    }
+    int app_list_index =
+        ash::GetLauncherItemIndexForType(ash::TYPE_APP_LIST, *launcher_model_);
+    DCHECK_GE(app_list_index, 0);
+    ash::LauncherID app_list_id = launcher_model_->items()[app_list_index].id;
     DCHECK(app_list_id);
     launcher_item_delegate_manager_->SetLauncherItemDelegate(
         app_list_id,
         controller.Pass());
   }
   return launcher_delegate_.get();
 }
 
 void Shell::SetTouchHudProjectionEnabled(bool enabled) {
   if (is_touch_hud_projection_enabled_ == enabled)
@@ skipping 461 matching lines @@
 ////////////////////////////////////////////////////////////////////////////////
 // Shell, aura::client::ActivationChangeObserver implementation:
 
 void Shell::OnWindowActivated(aura::Window* gained_active,
                               aura::Window* lost_active) {
   if (gained_active)
     target_root_window_ = gained_active->GetRootWindow();
 }
 
 }  // namespace ash