Disallowing shelf changes via drag & drop if the enterprise profile does not allow changes

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 <vector>
 
 #include "ash/ash_switches.h"
 #include "ash/launcher/launcher.h"
@@ skipping 613 matching lines @@
     ash::LauncherID launcher_id,
     const gfx::ImageSkia& image) {
   int index = model_->ItemIndexByID(launcher_id);
   if (index == -1)
     return;
   ash::LauncherItem item = model_->items()[index];
   item.image = image;
   model_->Set(index, item);
 }
 
+bool ChromeLauncherController::CanPin() const {
+  const PrefService::Preference* pref =
+      profile_->GetPrefs()->FindPreference(prefs::kPinnedLauncherApps);
+  return pref && pref->IsUserModifiable();
+}
+
 bool ChromeLauncherController::IsAppPinned(const std::string& app_id) {
   for (IDToItemControllerMap::const_iterator i =
            id_to_item_controller_map_.begin();
        i != id_to_item_controller_map_.end(); ++i) {
     if (IsPinned(i->first) && i->second->app_id() == app_id)
       return true;
   }
   return false;
 }
 
@@ skipping 38 matching lines @@
 void ChromeLauncherController::CreateNewWindow() {
   chrome::NewEmptyWindow(
       GetProfileForNewWindows(), chrome::HOST_DESKTOP_TYPE_ASH);
 }
 
 void ChromeLauncherController::CreateNewIncognitoWindow() {
   chrome::NewEmptyWindow(GetProfileForNewWindows()->GetOffTheRecordProfile(),
                          chrome::HOST_DESKTOP_TYPE_ASH);
 }
 
-bool ChromeLauncherController::CanPin() const {
-  const PrefService::Preference* pref =
-      profile_->GetPrefs()->FindPreference(prefs::kPinnedLauncherApps);
-  return pref && pref->IsUserModifiable();
-}
-
 void ChromeLauncherController::PersistPinnedState() {
   if (ignore_persist_pinned_state_change_)
     return;
   // It is a coding error to call PersistPinnedState() if the pinned apps are
   // not user-editable. The code should check earlier and not perform any
   // modification actions that trigger persisting the state.
   if (!CanPin()) {
     NOTREACHED() << "Can't pin but pinned state being updated";
     return;
   }
@@ skipping 875 matching lines @@
   // TODO(simon.hong81): Register LauncherItemDelegate when LauncherItemDelegate
   // is created.
   ash::LauncherItemDelegateManager* manager =
       ash::Shell::GetInstance()->launcher_item_delegate_manager();
   manager->RegisterLauncherItemDelegate(ash::TYPE_APP_PANEL, this);
   manager->RegisterLauncherItemDelegate(ash::TYPE_APP_SHORTCUT, this);
   manager->RegisterLauncherItemDelegate(ash::TYPE_BROWSER_SHORTCUT, this);
   manager->RegisterLauncherItemDelegate(ash::TYPE_PLATFORM_APP, this);
   manager->RegisterLauncherItemDelegate(ash::TYPE_WINDOWED_APP, this);
 }