[CacheStorage] Simpler way to wrap callbacks to run pending operation completions

content/browser/cache_storage/cache_storage_scheduler.cc

 // Copyright 2015 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 "content/browser/cache_storage/cache_storage_scheduler.h"
 
 #include <string>
 
-#include "base/bind.h"
 #include "base/location.h"
 #include "base/logging.h"
 #include "base/single_thread_task_runner.h"
 #include "base/threading/thread_task_runner_handle.h"
 
 namespace content {
 
-CacheStorageScheduler::CacheStorageScheduler() : operation_running_(false) {
-}
+CacheStorageScheduler::CacheStorageScheduler()
+    : operation_running_(false), weak_ptr_factory_(this) {}
 
 CacheStorageScheduler::~CacheStorageScheduler() {
 }
 
 void CacheStorageScheduler::ScheduleOperation(const base::Closure& closure) {
   pending_operations_.push_back(closure);
   RunOperationIfIdle();
 }
 
 void CacheStorageScheduler::CompleteOperationAndRunNext() {
@@ skipping 11 matching lines @@
     operation_running_ = true;
     // TODO(jkarlin): Run multiple operations in parallel where allowed.
     base::Closure closure = pending_operations_.front();
     pending_operations_.pop_front();
     base::ThreadTaskRunnerHandle::Get()->PostTask(FROM_HERE,
                                                   base::Bind(closure));
   }
 }
 
 }  // namespace content