Convert ProxyResolvingSocketFactoryPtr to new Mojo types

This CL converts ProxyResolvingSocketFactoryPtr to new Mojo types
using PendingRemote and Remote.

Bug: 955171
Change-Id: Ib92e2fd3f2103568e70c50699a5d2b573056594c
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1889271
Reviewed-by: Maksim Orlovich <[email protected]>
Reviewed-by: Tommy Nyquist <[email protected]>
Reviewed-by: Nicolas Zea <[email protected]>
Reviewed-by: Ken Rockot <[email protected]>
Commit-Queue: Julie Kim <[email protected]>
Cr-Commit-Position: refs/heads/master@{#711602}
diff --git a/components/gcm_driver/gcm_client.h b/components/gcm_driver/gcm_client.h
index 0ffec45..cc14855 100644
--- a/components/gcm_driver/gcm_client.h
+++ b/components/gcm_driver/gcm_client.h
@@ -241,7 +241,7 @@
   //     management featueres so that a delayed task posted to it can wake the
   //     system up from sleep to perform the task.
   // |get_socket_factory_callback|: a callback that can accept a receiver for a
-  //     network::mojom::ProxyResolvingSocketFactoryPtr. It needs to be safe to
+  //     network::mojom::ProxyResolvingSocketFactory. It needs to be safe to
   //     run on any thread.
   // |delegate|: the delegate whose methods will be called asynchronously in
   //     response to events and messages.