Add RetainedRef uses where needed.

components/drive/directory_loader.cc

 // Copyright 2014 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 "components/drive/directory_loader.h"
 
 #include <stddef.h>
 #include <utility>
 
 #include "base/callback.h"
@@ skipping 123 matching lines @@
     }
 
     DCHECK(file_list);
     scoped_ptr<ChangeList> change_list(new ChangeList(*file_list));
     GURL next_url = file_list->next_link();
 
     ResourceEntryVector* entries = new ResourceEntryVector;
     loader_->loader_controller_->ScheduleRun(base::Bind(
         base::IgnoreResult(
             &base::PostTaskAndReplyWithResult<FileError, FileError>),
-        loader_->blocking_task_runner_,
-        FROM_HERE,
+        base::RetainedRef(loader_->blocking_task_runner_), FROM_HERE,
         base::Bind(&ChangeListProcessor::RefreshDirectory,
-                   loader_->resource_metadata_,
-                   directory_fetch_info_,
-                   base::Passed(&change_list),
-                   entries),
+                   loader_->resource_metadata_, directory_fetch_info_,
+                   base::Passed(&change_list), entries),
         base::Bind(&FeedFetcher::OnDirectoryRefreshed,
-                   weak_ptr_factory_.GetWeakPtr(),
-                   callback,
-                   next_url,
+                   weak_ptr_factory_.GetWeakPtr(), callback, next_url,
                    base::Owned(entries))));
   }
 
   void OnDirectoryRefreshed(
       const FileOperationCallback& callback,
       const GURL& next_url,
       const std::vector<ResourceEntry>* refreshed_entries,
       FileError error) {
     DCHECK(thread_checker_.CalledOnValidThread());
     DCHECK(!callback.is_null());
@@ skipping 401 matching lines @@
   // Also notify the observers.
   if (error == FILE_ERROR_OK && !directory_path->empty()) {
     FOR_EACH_OBSERVER(ChangeListLoaderObserver,
                       observers_,
                       OnDirectoryReloaded(*directory_path));
   }
 }
 
 }  // namespace internal
 }  // namespace drive