Remove ProxyResolver::(Cancel)SetPacScript and LegacyProxyResolverFactory.

net/proxy/proxy_resolver_mojo.cc

Index: net/proxy/proxy_resolver_mojo.cc
diff --git a/net/proxy/proxy_resolver_mojo.cc b/net/proxy/proxy_resolver_mojo.cc
index c0e38fb26a138a37d53d2ab233fa158894d12730..8512682f1a0d3460b17e945edc685d02c92c7f55 100644
--- a/net/proxy/proxy_resolver_mojo.cc
+++ b/net/proxy/proxy_resolver_mojo.cc
@@ -91,9 +91,6 @@ class ProxyResolverMojo : public ProxyResolver, public mojo::ErrorHandler {
                      const BoundNetLog& net_log) override;
   void CancelRequest(RequestHandle request) override;
   LoadState GetLoadState(RequestHandle request) const override;
-  void CancelSetPacScript() override;
-  int SetPacScript(const scoped_refptr<ProxyResolverScriptData>& pac_script,
-                   const net::CompletionCallback& callback) override;
 
  private:
   class Job;
@@ -219,8 +216,7 @@ ProxyResolverMojo::ProxyResolverMojo(
     scoped_ptr<mojo::Binding<interfaces::HostResolver>> host_resolver_binding,
     scoped_ptr<base::ScopedClosureRunner> on_delete_callback_runner,
     scoped_ptr<ErrorObserverHolder> error_observer)
-    : ProxyResolver(true),
-      mojo_proxy_resolver_ptr_(resolver_ptr.Pass()),
+    : mojo_proxy_resolver_ptr_(resolver_ptr.Pass()),
       mojo_host_resolver_(host_resolver.Pass()),
       mojo_host_resolver_binding_(host_resolver_binding.Pass()),
       error_observer_(error_observer.Pass()),
@@ -234,17 +230,6 @@ ProxyResolverMojo::~ProxyResolverMojo() {
   DCHECK(pending_jobs_.empty());
 }
 
-void ProxyResolverMojo::CancelSetPacScript() {
-  NOTREACHED();
-}
-
-int ProxyResolverMojo::SetPacScript(
-    const scoped_refptr<ProxyResolverScriptData>& pac_script,
-    const CompletionCallback& callback) {
-  NOTREACHED();
-  return ERR_NOT_IMPLEMENTED;
-}
-
 void ProxyResolverMojo::OnConnectionError() {
   DCHECK(thread_checker_.CalledOnValidThread());
   DVLOG(1) << "ProxyResolverMojo::OnConnectionError";