Template methods on Timer classes instead of the classes themselves.

chrome/browser/sync_file_system/local/local_file_sync_context.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 "chrome/browser/sync_file_system/local/local_file_sync_context.h"
 
 #include "base/bind.h"
 #include "base/files/file_util.h"
 #include "base/location.h"
 #include "base/single_thread_task_runner.h"
@@ skipping 660 matching lines @@
                    this, base::Owned(tracker_ptr),
                    source_url,
                    make_scoped_refptr(file_system_context),
                    base::Owned(origins_with_changes)));
     return;
   }
   if (!operation_runner_) {
     DCHECK(!sync_status_);
     DCHECK(!timer_on_io_);
     sync_status_.reset(new LocalFileSyncStatus);
-    timer_on_io_.reset(new base::OneShotTimer<LocalFileSyncContext>);
+    timer_on_io_.reset(new base::OneShotTimer);
     operation_runner_.reset(new SyncableFileOperationRunner(
             kMaxConcurrentSyncableOperation,
             sync_status_.get()));
     sync_status_->AddObserver(this);
   }
   backend->set_sync_context(this);
   DidInitialize(source_url, file_system_context,
                 SYNC_STATUS_OK);
 }
 
@@ skipping 379 matching lines @@
     return;
   }
 
   FileSystemURL url_for_sync = CreateSyncableFileSystemURLForSync(
       file_system_context, dest_url);
   file_system_context->operation_runner()->CopyInForeignFile(
       local_path, url_for_sync, callback);
 }
 
 }  // namespace sync_file_system