Update Linux to use scoped_refptr<T>::get() rather than implicit "operator T*"

webkit/browser/fileapi/sandbox_quota_observer.cc

 // 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.
 
 #include "webkit/browser/fileapi/sandbox_quota_observer.h"
 
 #include "base/sequenced_task_runner.h"
 #include "webkit/browser/fileapi/file_system_url.h"
 #include "webkit/browser/fileapi/file_system_usage_cache.h"
 #include "webkit/browser/fileapi/sandbox_mount_point_provider.h"
@@ skipping 35 matching lines @@
         FileSystemTypeToQuotaStorageType(url.type()),
         delta);
   }
 
   base::FilePath usage_file_path = GetUsageCachePath(url);
   if (usage_file_path.empty())
     return;
 
   pending_update_notification_[usage_file_path] += delta;
   if (!delayed_cache_update_helper_) {
-    delayed_cache_update_helper_.reset(new TimedTaskHelper(
-            update_notify_runner_));
+    delayed_cache_update_helper_.reset(
+        new TimedTaskHelper(update_notify_runner_.get()));
     delayed_cache_update_helper_->Start(
         FROM_HERE,
         base::TimeDelta(),  // No delay.
         base::Bind(&SandboxQuotaObserver::ApplyPendingUsageUpdate,
                    base::Unretained(this)));
   }
 }
 
 void SandboxQuotaObserver::OnEndUpdate(const FileSystemURL& url) {
   DCHECK(update_notify_runner_->RunsTasksOnCurrentThread());
@@ skipping 62 matching lines @@
 
 void SandboxQuotaObserver::UpdateUsageCacheFile(
     const base::FilePath& usage_file_path,
     int64 delta) {
   DCHECK(!usage_file_path.empty());
   if (!usage_file_path.empty() && delta != 0)
     file_system_usage_cache_->AtomicUpdateUsageByDelta(usage_file_path, delta);
 }
 
 }  // namespace fileapi