Remove stl_util's deletion functions from net/proxy/.

net/proxy/mojo_proxy_resolver_factory_impl.h

Index: net/proxy/mojo_proxy_resolver_factory_impl.h
diff --git a/net/proxy/mojo_proxy_resolver_factory_impl.h b/net/proxy/mojo_proxy_resolver_factory_impl.h
index 32cb9b09d5bc8a6fe01f320b7066151f0bfdf780..aecebac12213f8eefe4c13264e1e4c6a8bd2e128 100644
--- a/net/proxy/mojo_proxy_resolver_factory_impl.h
+++ b/net/proxy/mojo_proxy_resolver_factory_impl.h
@@ -5,7 +5,7 @@
 #ifndef NET_PROXY_MOJO_PROXY_RESOLVER_FACTORY_IMPL_H_
 #define NET_PROXY_MOJO_PROXY_RESOLVER_FACTORY_IMPL_H_
 
-#include <set>
+#include <map>
 
 #include "base/callback.h"
 #include "base/macros.h"
@@ -38,7 +38,7 @@ class MojoProxyResolverFactoryImpl : public interfaces::ProxyResolverFactory {
   const std::unique_ptr<ProxyResolverV8TracingFactory>
       proxy_resolver_impl_factory_;
 
-  std::set<Job*> jobs_;
+  std::map<Job*, std::unique_ptr<Job>> jobs_;
 
   DISALLOW_COPY_AND_ASSIGN(MojoProxyResolverFactoryImpl);
 };