base::Bind: Convert BackgroundModeManager Tasks.

chrome/browser/background/background_mode_manager_win.cc

 // Copyright (c) 2011 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 "base/base_paths.h"
+#include "base/bind.h"
 #include "base/command_line.h"
 #include "base/file_path.h"
 #include "base/logging.h"
 #include "base/path_service.h"
 #include "base/task.h"
 #include "base/utf_string_conversions.h"
 #include "base/win/registry.h"
 #include "chrome/browser/background/background_mode_manager.h"
 #include "chrome/common/chrome_switches.h"
 #include "content/public/browser/browser_thread.h"
 #include "grit/chromium_strings.h"
 #include "grit/generated_resources.h"
 #include "third_party/skia/include/core/SkBitmap.h"
 #include "ui/base/l10n/l10n_util.h"
 
 using content::BrowserThread;
 
 namespace {
 
-class DisableLaunchOnStartupTask : public Task {
- public:
-  virtual void Run();
-};
-
-class EnableLaunchOnStartupTask : public Task {
- public:
-  virtual void Run();
-};
-
 const HKEY kBackgroundModeRegistryRootKey = HKEY_CURRENT_USER;
 const wchar_t* kBackgroundModeRegistrySubkey =
     L"Software\\Microsoft\\Windows\\CurrentVersion\\Run";
 const wchar_t* kBackgroundModeRegistryKeyName = L"chromium";
 
-void DisableLaunchOnStartupTask::Run() {
+void DisableLaunchOnStartupCallback() {
   const wchar_t* key_name = kBackgroundModeRegistryKeyName;
   base::win::RegKey read_key(kBackgroundModeRegistryRootKey,
                              kBackgroundModeRegistrySubkey, KEY_READ);
   base::win::RegKey write_key(kBackgroundModeRegistryRootKey,
                               kBackgroundModeRegistrySubkey, KEY_WRITE);
   if (read_key.HasValue(key_name)) {
     LONG result = write_key.DeleteValue(key_name);
     DCHECK_EQ(ERROR_SUCCESS, result) <<
         "Failed to deregister launch on login. error: " << result;
   }
 }
 
-void EnableLaunchOnStartupTask::Run() {
+void EnableLaunchOnStartupCallback() {
   // TODO(rickcam): Bug 53597: Make RegKey mockable.
   // TODO(rickcam): Bug 53600: Use distinct registry keys per flavor+profile.
   const wchar_t* key_name = kBackgroundModeRegistryKeyName;
   base::win::RegKey read_key(kBackgroundModeRegistryRootKey,
                              kBackgroundModeRegistrySubkey, KEY_READ);
   base::win::RegKey write_key(kBackgroundModeRegistryRootKey,
                               kBackgroundModeRegistrySubkey, KEY_WRITE);
   FilePath executable;
   if (!PathService::Get(base::FILE_EXE, &executable))
     return;
@@ skipping 12 matching lines @@
 }
 
 }  // namespace
 
 void BackgroundModeManager::EnableLaunchOnStartup(bool should_launch) {
   // This functionality is only defined for default profile, currently.
   if (CommandLine::ForCurrentProcess()->HasSwitch(switches::kUserDataDir))
     return;
   if (should_launch) {
     BrowserThread::PostTask(BrowserThread::FILE, FROM_HERE,
-                            new EnableLaunchOnStartupTask());
+                            base::Bind(EnableLaunchOnStartupCallback));
   } else {
     BrowserThread::PostTask(BrowserThread::FILE, FROM_HERE,
-                            new DisableLaunchOnStartupTask());
+                            base::Bind(DisableLaunchOnStartupCallback));
   }
 }
 
 void BackgroundModeManager::DisplayAppInstalledNotification(
     const Extension* extension) {
   // Create a status tray notification balloon explaining to the user that
   // a background app has been installed.
   CreateStatusTrayIcon();
   status_icon_->DisplayBalloon(
       SkBitmap(),
       l10n_util::GetStringUTF16(IDS_BACKGROUND_APP_INSTALLED_BALLOON_TITLE),
       l10n_util::GetStringFUTF16(
           IDS_BACKGROUND_APP_INSTALLED_BALLOON_BODY,
           UTF8ToUTF16(extension->name()),
           l10n_util::GetStringUTF16(IDS_PRODUCT_NAME)));
 }
 
 string16 BackgroundModeManager::GetPreferencesMenuLabel() {
   return l10n_util::GetStringUTF16(IDS_OPTIONS);
 }