Shut down proxy resolver utility processes when no longer needed.

net/proxy/mojo_proxy_resolver_factory.h

+// 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.
+
+#ifndef NET_PROXY_MOJO_PROXY_RESOLVER_FACTORY_H_
+#define NET_PROXY_MOJO_PROXY_RESOLVER_FACTORY_H_
+
+#include "base/callback_helpers.h"
+#include "base/memory/scoped_ptr.h"
+#include "net/interfaces/host_resolver_service.mojom.h"
+#include "net/interfaces/proxy_resolver_service.mojom.h"
+#include "third_party/mojo/src/mojo/public/cpp/bindings/interface_request.h"
+
+namespace net {
+
+// Factory for connecting to Mojo ProxyResolver services.
+class MojoProxyResolverFactory {
+ public:
+  // Connect to a new ProxyResolver service using request |req|, using
+  // |host_resolver| as the DNS resolver. The return value should be released
+  // when the connection to |req| is no longer needed.
+  // Note: The connection request |req| may be resolved asynchronously.
+  virtual scoped_ptr<base::ScopedClosureRunner> CreateResolver(
+      const mojo::String& pac_script,
+      mojo::InterfaceRequest<interfaces::ProxyResolver> req,
+      interfaces::HostResolverPtr host_resolver,
+      interfaces::ProxyResolverFactoryRequestClientPtr client) = 0;
+
+ protected:
+  virtual ~MojoProxyResolverFactory() = default;
+};
+
+}  // namespace net
+
+#endif  // NET_PROXY_MOJO_PROXY_RESOLVER_FACTORY_H_