Clean up old Mojo type for mojom::RestrictedCookieManager

This CL cleans up old mojo types for mojom::RestrictedCookieManager
replacing StrongBindingSet with UniqueReceiverSet.

Bug: 955171
Change-Id: I33d2ba7fa454a6949fe00626687192c7640db8e1
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1903230Reviewed-by: Ken Rockot <rockot@google.com>
Reviewed-by: Maksim Orlovich <morlovich@chromium.org>
Commit-Queue: Julie Kim <jkim@igalia.com>
Cr-Commit-Position: refs/heads/master@{#714060}

services/network/network_context.cc

@@ -513,7 +513,7 @@ void NetworkContext::GetRestrictedCookieManager(
   if (network_service())
     network_service_client = network_service()->client();
 
-  restricted_cookie_manager_bindings_.AddBinding(
+  restricted_cookie_manager_receivers_.Add(
       std::make_unique<RestrictedCookieManager>(
           role, url_request_context_->cookie_store(),
           &cookie_manager_->cookie_settings(), origin, site_for_cookies,

services/network/network_context.h

@@ -28,7 +28,6 @@
 #include "mojo/public/cpp/bindings/pending_remote.h"
 #include "mojo/public/cpp/bindings/receiver.h"
 #include "mojo/public/cpp/bindings/remote.h"
-#include "mojo/public/cpp/bindings/strong_binding_set.h"
 #include "mojo/public/cpp/bindings/unique_receiver_set.h"
 #include "net/cert/cert_verifier.h"
 #include "net/cert/cert_verify_result.h"
@@ -563,8 +562,8 @@ class COMPONENT_EXPORT(NETWORK_SERVICE) NetworkContext
 
   // Ordering: this must be after |cookie_manager_| since it points to its
   // CookieSettings object.
-  mojo::StrongBindingSet<mojom::RestrictedCookieManager>
-      restricted_cookie_manager_bindings_;
+  mojo::UniqueReceiverSet<mojom::RestrictedCookieManager>
+      restricted_cookie_manager_receivers_;
 
   int current_resource_scheduler_client_id_ = 0;