Add chrome/browser/apps/BUILD.gn and move Chrome-specific code there

apps/app_load_service.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 "apps/app_load_service.h"
-
-#include "apps/app_load_service_factory.h"
-#include "apps/app_restore_service.h"
-#include "apps/launcher.h"
-#include "chrome/browser/extensions/extension_service.h"
-#include "chrome/browser/extensions/unpacked_installer.h"
-#include "content/public/browser/browser_context.h"
-#include "content/public/browser/notification_details.h"
-#include "content/public/browser/notification_service.h"
-#include "content/public/browser/notification_types.h"
-#include "extensions/browser/app_window/app_window_registry.h"
-#include "extensions/browser/extension_host.h"
-#include "extensions/browser/extension_prefs.h"
-#include "extensions/browser/extension_registry.h"
-#include "extensions/browser/extension_system.h"
-#include "extensions/browser/notification_types.h"
-#include "extensions/common/extension.h"
-
-using extensions::Extension;
-using extensions::ExtensionPrefs;
-using extensions::ExtensionSystem;
-
-namespace apps {
-
-AppLoadService::PostReloadAction::PostReloadAction()
-    : action_type(LAUNCH_FOR_RELOAD),
-      command_line(base::CommandLine::NO_PROGRAM) {
-}
-
-AppLoadService::AppLoadService(content::BrowserContext* context)
-    : context_(context) {
-  registrar_.Add(this,
-                 extensions::NOTIFICATION_EXTENSION_HOST_DID_STOP_FIRST_LOAD,
-                 content::NotificationService::AllSources());
-  extensions::ExtensionRegistry::Get(context_)->AddObserver(this);
-}
-
-AppLoadService::~AppLoadService() = default;
-
-void AppLoadService::Shutdown() {
-  extensions::ExtensionRegistry::Get(context_)->RemoveObserver(this);
-}
-
-void AppLoadService::RestartApplication(const std::string& extension_id) {
-  post_reload_actions_[extension_id].action_type = RESTART;
-  ExtensionService* service =
-      extensions::ExtensionSystem::Get(context_)->extension_service();
-  DCHECK(service);
-  service->ReloadExtension(extension_id);
-}
-
-void AppLoadService::RestartApplicationIfRunning(
-    const std::string& extension_id) {
-  if (apps::AppRestoreService::Get(context_)->IsAppRestorable(extension_id))
-    RestartApplication(extension_id);
-}
-
-bool AppLoadService::LoadAndLaunch(const base::FilePath& extension_path,
-                                   const base::CommandLine& command_line,
-                                   const base::FilePath& current_dir) {
-  ExtensionService* extension_service =
-      ExtensionSystem::Get(context_)->extension_service();
-  std::string extension_id;
-  if (!extensions::UnpackedInstaller::Create(extension_service)
-           ->LoadFromCommandLine(base::FilePath(extension_path), &extension_id,
-                                 true /* only_allow_apps */)) {
-    return false;
-  }
-
-  // Schedule the app to be launched once loaded.
-  PostReloadAction& action = post_reload_actions_[extension_id];
-  action.action_type = LAUNCH_FOR_LOAD_AND_LAUNCH;
-  action.command_line = command_line;
-  action.current_dir = current_dir;
-  return true;
-}
-
-bool AppLoadService::Load(const base::FilePath& extension_path) {
-  ExtensionService* extension_service =
-      ExtensionSystem::Get(context_)->extension_service();
-  std::string extension_id;
-  return extensions::UnpackedInstaller::Create(extension_service)
-      ->LoadFromCommandLine(base::FilePath(extension_path), &extension_id,
-                            true /* only_allow_apps */);
-}
-
-// static
-AppLoadService* AppLoadService::Get(content::BrowserContext* context) {
-  return apps::AppLoadServiceFactory::GetForBrowserContext(context);
-}
-
-void AppLoadService::Observe(int type,
-                             const content::NotificationSource& source,
-                             const content::NotificationDetails& details) {
-  DCHECK_EQ(type, extensions::NOTIFICATION_EXTENSION_HOST_DID_STOP_FIRST_LOAD);
-  extensions::ExtensionHost* host =
-      content::Details<extensions::ExtensionHost>(details).ptr();
-  const Extension* extension = host->extension();
-  // It is possible for an extension to be unloaded before it stops loading.
-  if (!extension)
-    return;
-  std::map<std::string, PostReloadAction>::iterator it =
-      post_reload_actions_.find(extension->id());
-  if (it == post_reload_actions_.end())
-    return;
-
-  switch (it->second.action_type) {
-    case LAUNCH_FOR_RELOAD:
-      LaunchPlatformApp(context_, extension, extensions::SOURCE_RELOAD);
-      break;
-    case RESTART:
-      RestartPlatformApp(context_, extension);
-      break;
-    case LAUNCH_FOR_LOAD_AND_LAUNCH:
-      LaunchPlatformAppWithCommandLine(
-          context_, extension, it->second.command_line, it->second.current_dir,
-          extensions::SOURCE_LOAD_AND_LAUNCH);
-      break;
-    default:
-      NOTREACHED();
-  }
-
-  post_reload_actions_.erase(it);
-}
-
-void AppLoadService::OnExtensionUnloaded(
-    content::BrowserContext* browser_context,
-    const Extension* extension,
-    extensions::UnloadedExtensionInfo::Reason reason) {
-  if (!extension->is_platform_app())
-    return;
-
-  extensions::ExtensionPrefs* extension_prefs =
-      extensions::ExtensionPrefs::Get(browser_context);
-  if (WasUnloadedForReload(extension->id(), reason) &&
-      extension_prefs->IsActive(extension->id()) &&
-      !HasPostReloadAction(extension->id())) {
-    post_reload_actions_[extension->id()].action_type = LAUNCH_FOR_RELOAD;
-  }
-}
-
-bool AppLoadService::WasUnloadedForReload(
-    const extensions::ExtensionId& extension_id,
-    const extensions::UnloadedExtensionInfo::Reason reason) {
-  if (reason == extensions::UnloadedExtensionInfo::REASON_DISABLE) {
-    ExtensionPrefs* prefs = ExtensionPrefs::Get(context_);
-    return (prefs->GetDisableReasons(extension_id) &
-            Extension::DISABLE_RELOAD) != 0;
-  }
-  return false;
-}
-
-bool AppLoadService::HasPostReloadAction(const std::string& extension_id) {
-  return post_reload_actions_.find(extension_id) != post_reload_actions_.end();
-}
-
-}  // namespace apps