[Extensions] Convert some SyncExtensionFunctions

chrome/browser/chromeos/extensions/wallpaper_private_api.h

 // 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.
 
 #ifndef CHROME_BROWSER_CHROMEOS_EXTENSIONS_WALLPAPER_PRIVATE_API_H_
 #define CHROME_BROWSER_CHROMEOS_EXTENSIONS_WALLPAPER_PRIVATE_API_H_
 
 #include <string>
 #include <vector>
 
 #include "base/threading/sequenced_worker_pool.h"
 #include "chrome/browser/chromeos/extensions/wallpaper_function_base.h"
 #include "chrome/common/extensions/api/wallpaper_private.h"
 #include "components/signin/core/account_id/account_id.h"
 #include "components/wallpaper/wallpaper_files_id.h"
 #include "net/url_request/url_fetcher_delegate.h"
 
 namespace base {
 class RefCountedBytes;
 }
 
 namespace chromeos {
 class UserImage;
 }  // namespace chromeos
 
 // Wallpaper manager strings.
-class WallpaperPrivateGetStringsFunction : public SyncExtensionFunction {
+class WallpaperPrivateGetStringsFunction : public UIThreadExtensionFunction {
  public:
   DECLARE_EXTENSION_FUNCTION("wallpaperPrivate.getStrings",
                              WALLPAPERPRIVATE_GETSTRINGS)
 
  protected:
   ~WallpaperPrivateGetStringsFunction() override {}
 
-  // SyncExtensionFunction overrides.
-  bool RunSync() override;
+  // ExtensionFunction:
+  ResponseAction Run() override;
 };
 
 // Check if sync themes setting is enabled.
-class WallpaperPrivateGetSyncSettingFunction : public SyncExtensionFunction {
+class WallpaperPrivateGetSyncSettingFunction
+    : public UIThreadExtensionFunction {
  public:
   DECLARE_EXTENSION_FUNCTION("wallpaperPrivate.getSyncSetting",
                              WALLPAPERPRIVATE_GETSYNCSETTING)
 
  protected:
   ~WallpaperPrivateGetSyncSettingFunction() override {}
 
-  // SyncExtensionFunction overrides.
-  bool RunSync() override;
+  // ExtensionFunction:
+  ResponseAction Run() override;
 };
 
 class WallpaperPrivateSetWallpaperIfExistsFunction
     : public WallpaperFunctionBase {
  public:
   DECLARE_EXTENSION_FUNCTION("wallpaperPrivate.setWallpaperIfExists",
                              WALLPAPERPRIVATE_SETWALLPAPERIFEXISTS)
 
   WallpaperPrivateSetWallpaperIfExistsFunction();
 
@@ skipping 242 matching lines @@
   void OnComplete(const std::vector<std::string>& file_list);
 
   // Sequence token associated with wallpaper operations. Shared with
   // WallpaperManager.
   base::SequencedWorkerPool::SequenceToken sequence_token_;
 };
 
 // The wallpaper UMA is recorded when a new wallpaper is set, either by the
 // built-in Wallpaper Picker App, or by a third party App.
 class WallpaperPrivateRecordWallpaperUMAFunction
-    : public SyncExtensionFunction {
+    : public UIThreadExtensionFunction {
  public:
   DECLARE_EXTENSION_FUNCTION("wallpaperPrivate.recordWallpaperUMA",
                              WALLPAPERPRIVATE_RECORDWALLPAPERUMA)
 
  protected:
   ~WallpaperPrivateRecordWallpaperUMAFunction() override {}
 
-  // SyncExtensionFunction overrides.
-  bool RunSync() override;
+  // ExtensionFunction:
+  ResponseAction Run() override;
 };
 
 #endif  // CHROME_BROWSER_CHROMEOS_EXTENSIONS_WALLPAPER_PRIVATE_API_H_