Remove calls to IsRunningSequenceOnCurrentThread() in wallpaper API.

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;
 }
 
@@ skipping 52 matching lines @@
   // decoding the file.
   void ReadFileAndInitiateStartDecode(const base::FilePath& file_path,
                                       const base::FilePath& fallback_path);
 
   std::unique_ptr<
       extensions::api::wallpaper_private::SetWallpaperIfExists::Params>
       params;
 
   // User id of the active user when this api is been called.
   AccountId account_id_ = EmptyAccountId();
-
-  // Sequence token associated with wallpaper operations. Shared with
-  // WallpaperManager.
-  base::SequencedWorkerPool::SequenceToken sequence_token_;
 };
 
 class WallpaperPrivateSetWallpaperFunction : public WallpaperFunctionBase {
  public:
   DECLARE_EXTENSION_FUNCTION("wallpaperPrivate.setWallpaper",
                              WALLPAPERPRIVATE_SETWALLPAPER)
 
   WallpaperPrivateSetWallpaperFunction();
 
  protected:
@@ skipping 13 matching lines @@
 
   std::unique_ptr<extensions::api::wallpaper_private::SetWallpaper::Params>
       params;
 
   // The decoded wallpaper. It may accessed from UI thread to set wallpaper or
   // FILE thread to resize and save wallpaper to disk.
   gfx::ImageSkia wallpaper_;
 
   // User account id of the active user when this api is been called.
   AccountId account_id_ = EmptyAccountId();
-
-  // Sequence token associated with wallpaper operations. Shared with
-  // WallpaperManager.
-  base::SequencedWorkerPool::SequenceToken sequence_token_;
 };
 
 class WallpaperPrivateResetWallpaperFunction
     : public AsyncExtensionFunction {
  public:
   DECLARE_EXTENSION_FUNCTION("wallpaperPrivate.resetWallpaper",
                              WALLPAPERPRIVATE_RESETWALLPAPER)
 
   WallpaperPrivateResetWallpaperFunction();
 
@@ skipping 31 matching lines @@
 
   std::unique_ptr<
       extensions::api::wallpaper_private::SetCustomWallpaper::Params>
       params;
 
   // User account id of the active user when this api is been called.
   AccountId account_id_ = EmptyAccountId();
 
   // User id hash of the logged in user.
   wallpaper::WallpaperFilesId wallpaper_files_id_;
-
-  // Sequence token associated with wallpaper operations. Shared with
-  // WallpaperManager.
-  base::SequencedWorkerPool::SequenceToken sequence_token_;
 };
 
 class WallpaperPrivateSetCustomWallpaperLayoutFunction
     : public AsyncExtensionFunction {
  public:
   DECLARE_EXTENSION_FUNCTION("wallpaperPrivate.setCustomWallpaperLayout",
                              WALLPAPERPRIVATE_SETCUSTOMWALLPAPERLAYOUT)
 
   WallpaperPrivateSetCustomWallpaperLayoutFunction();
 
@@ skipping 50 matching lines @@
   // Returns true to suppress javascript console error. Called when the
   // requested thumbnail is not found or corrupted in thumbnail directory.
   void FileNotLoaded();
 
   // Sets data field to the loaded thumbnail binary data in the results. Called
   // when requested wallpaper thumbnail loaded successfully.
   void FileLoaded(const std::string& data);
 
   // Gets thumbnail from |path|. If |path| does not exist, call FileNotLoaded().
   void Get(const base::FilePath& path);
-
-  // Sequence token associated with wallpaper operations. Shared with
-  // WallpaperManager.
-  base::SequencedWorkerPool::SequenceToken sequence_token_;
 };
 
 class WallpaperPrivateSaveThumbnailFunction : public AsyncExtensionFunction {
  public:
   DECLARE_EXTENSION_FUNCTION("wallpaperPrivate.saveThumbnail",
                              WALLPAPERPRIVATE_SAVETHUMBNAIL)
 
   WallpaperPrivateSaveThumbnailFunction();
 
  protected:
   ~WallpaperPrivateSaveThumbnailFunction() override;
 
   // AsyncExtensionFunction overrides.
   bool RunAsync() override;
 
  private:
   // Failed to save thumbnail for |file_name|.
   void Failure(const std::string& file_name);
 
   // Saved thumbnail to thumbnail directory.
   void Success();
 
   // Saves thumbnail to thumbnail directory as |file_name|.
   void Save(const std::vector<char>& data, const std::string& file_name);
-
-  // Sequence token associated with wallpaper operations. Shared with
-  // WallpaperManager.
-  base::SequencedWorkerPool::SequenceToken sequence_token_;
 };
 
 class WallpaperPrivateGetOfflineWallpaperListFunction
     : public AsyncExtensionFunction {
  public:
   DECLARE_EXTENSION_FUNCTION("wallpaperPrivate.getOfflineWallpaperList",
                              WALLPAPERPRIVATE_GETOFFLINEWALLPAPERLIST)
   WallpaperPrivateGetOfflineWallpaperListFunction();
 
  protected:
   ~WallpaperPrivateGetOfflineWallpaperListFunction() override;
 
   // AsyncExtensionFunction overrides.
   bool RunAsync() override;
 
  private:
   // Enumerates the list of files in online wallpaper directory.
   void GetList();
 
   // Sends the list of files to extension api caller. If no files or no
   // directory, sends empty list.
   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 UIThreadExtensionFunction {
  public:
   DECLARE_EXTENSION_FUNCTION("wallpaperPrivate.recordWallpaperUMA",
                              WALLPAPERPRIVATE_RECORDWALLPAPERUMA)
 
  protected:
   ~WallpaperPrivateRecordWallpaperUMAFunction() override {}
 
   // ExtensionFunction:
   ResponseAction Run() override;
 };
 
 #endif  // CHROME_BROWSER_CHROMEOS_EXTENSIONS_WALLPAPER_PRIVATE_API_H_