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// 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.
#ifndef EXTENSIONS_BROWSER_API_DNS_MOCK_HOST_RESOLVER_CREATOR_H_
#define EXTENSIONS_BROWSER_API_DNS_MOCK_HOST_RESOLVER_CREATOR_H_
#include <string>
#include "base/memory/ref_counted.h"
#include "base/synchronization/waitable_event.h"
namespace net {
class HostResolver;
class MockHostResolver;
}
namespace extensions {
// Used only for testing. Creates a MockHostResolver, respecting threading
// constraints.
class MockHostResolverCreator
: public base::RefCountedThreadSafe<MockHostResolverCreator> {
public:
static const std::string kHostname;
static const std::string kAddress;
MockHostResolverCreator();
net::HostResolver* CreateMockHostResolver();
void DeleteMockHostResolver();
private:
friend class base::RefCountedThreadSafe<MockHostResolverCreator>;
virtual ~MockHostResolverCreator();
void CreateMockHostResolverOnIOThread();
void DeleteMockHostResolverOnIOThread();
base::WaitableEvent resolver_event_;
// The MockHostResolver asserts that it's used on the same thread on which
// it's created, which is actually a stronger rule than its real counterpart.
// But that's fine; it's good practice.
//
// Plain pointer because we have to manage lifetime manually.
net::MockHostResolver* mock_host_resolver_;
};
} // namespace extensions
#endif // EXTENSIONS_BROWSER_API_DNS_MOCK_HOST_RESOLVER_CREATOR_H_
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