Fixed memleak in JsonHostConfig.

remoting/host/json_host_config.cc

 // Copyright (c) 2010 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 "remoting/host/json_host_config.h"
 
 #include "base/message_loop_proxy.h"
 #include "base/task.h"
 #include "base/values.h"
 #include "chrome/common/json_pref_store.h"
@@ skipping 22 matching lines @@
                                std::string* out_value) {
   AutoLock auto_lock(lock_);
   return pref_store_->prefs()->GetString(path, out_value);
 }
 
 void JsonHostConfig::Update(Task* task) {
   {
     AutoLock auto_lock(lock_);
     task->Run();
   }
+  delete task;
   message_loop_proxy_->PostTask(
       FROM_HERE, NewRunnableMethod(this, &JsonHostConfig::DoWrite));
 }
 
 void JsonHostConfig::SetString(const std::wstring& path,
                                const std::wstring& in_value) {
   lock_.AssertAcquired();
   pref_store_->prefs()->SetString(path, in_value);
 }
 
 void JsonHostConfig::SetString(const std::wstring& path,
                                const std::string& in_value) {
   lock_.AssertAcquired();
   pref_store_->prefs()->SetString(path, in_value);
 }
 
 void JsonHostConfig::DoWrite() {
   AutoLock auto_lock(lock_);
   pref_store_->WritePrefs();
 }
 
 }  // namespace remoting