Convert CannedSyncableFileSystem to modern callbacks

This CL converts base::Callbacks in CannedSyncableFileSystem to their
Once or Repeating equivalents.

Bug: 1152272
Change-Id: Id0890a8f8f9c6c2807a821913b82fb3f90bb6034
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2575420
Commit-Queue: Thomas Guilbert <tguilbert@chromium.org>
Reviewed-by: Kinuko Yasuda <kinuko@chromium.org>
Cr-Commit-Position: refs/heads/master@{#834281}

chrome/browser/sync_file_system/local/canned_syncable_file_system.h

@@ -55,8 +55,8 @@ class CannedSyncableFileSystem
   typedef base::OnceCallback<
       void(const GURL& root, const std::string& name, base::File::Error result)>
       OpenFileSystemCallback;
-  typedef base::Callback<void(base::File::Error)> StatusCallback;
-  typedef base::Callback<void(int64_t)> WriteCallback;
+  typedef base::OnceCallback<void(base::File::Error)> StatusCallback;
+  typedef base::RepeatingCallback<void(int64_t)> WriteCallback;
   typedef storage::FileSystemOperation::FileEntryList FileEntryList;
 
   enum QuotaMode {
@@ -162,45 +162,43 @@ class CannedSyncableFileSystem
   // They can be also called directly if the caller is already on IO thread.
   void DoOpenFileSystem(OpenFileSystemCallback callback);
   void DoCreateDirectory(const storage::FileSystemURL& url,
-                         const StatusCallback& callback);
-  void DoCreateFile(const storage::FileSystemURL& url,
-                    const StatusCallback& callback);
+                         StatusCallback callback);
+  void DoCreateFile(const storage::FileSystemURL& url, StatusCallback callback);
   void DoCopy(const storage::FileSystemURL& src_url,
               const storage::FileSystemURL& dest_url,
-              const StatusCallback& callback);
+              StatusCallback callback);
   void DoMove(const storage::FileSystemURL& src_url,
               const storage::FileSystemURL& dest_url,
-              const StatusCallback& callback);
+              StatusCallback callback);
   void DoTruncateFile(const storage::FileSystemURL& url,
                       int64_t size,
-                      const StatusCallback& callback);
+                      StatusCallback callback);
   void DoTouchFile(const storage::FileSystemURL& url,
                    const base::Time& last_access_time,
                    const base::Time& last_modified_time,
-                   const StatusCallback& callback);
+                   StatusCallback callback);
   void DoRemove(const storage::FileSystemURL& url,
                 bool recursive,
-                const StatusCallback& callback);
-  void DoFileExists(const storage::FileSystemURL& url,
-                    const StatusCallback& callback);
+                StatusCallback callback);
+  void DoFileExists(const storage::FileSystemURL& url, StatusCallback callback);
   void DoDirectoryExists(const storage::FileSystemURL& url,
-                         const StatusCallback& callback);
+                         StatusCallback callback);
   void DoVerifyFile(const storage::FileSystemURL& url,
                     const std::string& expected_data,
-                    const StatusCallback& callback);
+                    StatusCallback callback);
   void DoGetMetadataAndPlatformPath(const storage::FileSystemURL& url,
                                     base::File::Info* info,
                                     base::FilePath* platform_path,
-                                    const StatusCallback& callback);
+                                    StatusCallback callback);
   void DoReadDirectory(const storage::FileSystemURL& url,
                        FileEntryList* entries,
-                       const StatusCallback& callback);
+                       StatusCallback callback);
   void DoWrite(const storage::FileSystemURL& url,
                std::unique_ptr<storage::BlobDataHandle> blob_data_handle,
-               const WriteCallback& callback);
+               WriteCallback callback);
   void DoWriteString(const storage::FileSystemURL& url,
                      const std::string& data,
-                     const WriteCallback& callback);
+                     WriteCallback callback);
   void DoGetUsageAndQuota(int64_t* usage,
                           int64_t* quota,
                           storage::StatusCallback callback);
@@ -211,11 +209,11 @@ class CannedSyncableFileSystem
 
   // Callbacks.
   void DidOpenFileSystem(base::SingleThreadTaskRunner* original_task_runner,
-                         const base::Closure& quit_closure,
+                         base::OnceClosure quit_closure,
                          const GURL& root,
                          const std::string& name,
                          base::File::Error result);
-  void DidInitializeFileSystemContext(const base::Closure& quit_closure,
+  void DidInitializeFileSystemContext(base::OnceClosure quit_closure,
                                       sync_file_system::SyncStatusCode status);
 
   void InitializeSyncStatusObserver();