Privatize StrongBinding lifetime management

net/proxy/mojo_proxy_resolver_factory_impl.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_IMPL_H_
 #define NET_PROXY_MOJO_PROXY_RESOLVER_FACTORY_IMPL_H_
 
 #include <set>
 
 #include "base/callback.h"
 #include "base/macros.h"
-#include "mojo/public/cpp/bindings/strong_binding.h"
 #include "net/interfaces/proxy_resolver_service.mojom.h"
 
 namespace net {
 class HostResolver;
 class ProxyResolverErrorObserver;
 class ProxyResolverV8TracingFactory;
 
 class MojoProxyResolverFactoryImpl : public interfaces::ProxyResolverFactory {
  public:
+  MojoProxyResolverFactoryImpl();
   explicit MojoProxyResolverFactoryImpl(
-      mojo::InterfaceRequest<interfaces::ProxyResolverFactory> request);
-  MojoProxyResolverFactoryImpl(
-      std::unique_ptr<ProxyResolverV8TracingFactory> proxy_resolver_factory,
-      mojo::InterfaceRequest<interfaces::ProxyResolverFactory> request);
+      std::unique_ptr<ProxyResolverV8TracingFactory> proxy_resolver_factory);
 
   ~MojoProxyResolverFactoryImpl() override;
 
  private:
   class Job;
 
   // interfaces::ProxyResolverFactory override.
   void CreateResolver(
       const mojo::String& pac_script,
-      mojo::InterfaceRequest<interfaces::ProxyResolver> request,
+      interfaces::ProxyResolverRequest request,
       interfaces::ProxyResolverFactoryRequestClientPtr client) override;
 
   void RemoveJob(Job* job);
 
   const std::unique_ptr<ProxyResolverV8TracingFactory>
       proxy_resolver_impl_factory_;
-  mojo::StrongBinding<interfaces::ProxyResolverFactory> binding_;
 
   std::set<Job*> jobs_;
 
   DISALLOW_COPY_AND_ASSIGN(MojoProxyResolverFactoryImpl);
 };
 
 }  // namespace net
 
 #endif  // NET_PROXY_MOJO_PROXY_RESOLVER_FACTORY_IMPL_H_