[ios] ios/components base::Bind to Once/Repeating

Migrate base::Bind calls in ios/components to base::BindOnce or
base::BindRepeating as part of code health improvements

Bug: 1007793
Change-Id: Ib25fed1c909c8d72628214a55bbd2d6213d42d08
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2236281Reviewed-by: Sylvain Defresne <sdefresne@chromium.org>
Commit-Queue: Jeff Yoon <jeffyoon@chromium.org>
Cr-Commit-Position: refs/heads/master@{#776544}

ios/components/security_interstitials/ios_blocking_page_tab_helper.mm

@@ -28,8 +28,8 @@ const char kCommandPrefix[] = "blockingPage";
 IOSBlockingPageTabHelper::IOSBlockingPageTabHelper(web::WebState* web_state)
     : subscription_(nullptr), navigation_id_listener_(web_state, this) {
   auto command_callback =
-      base::Bind(&IOSBlockingPageTabHelper::OnBlockingPageCommand,
-                 weak_factory_.GetWeakPtr());
+      base::BindRepeating(&IOSBlockingPageTabHelper::OnBlockingPageCommand,
+                          weak_factory_.GetWeakPtr());
   subscription_ =
       web_state->AddScriptCommandCallback(command_callback, kCommandPrefix);
 }

ios/components/webui/sync_internals/sync_internals_message_handler.mm

@@ -200,8 +200,8 @@ void SyncInternalsMessageHandler::HandleGetAllNodes(
   syncer::SyncService* service = GetSyncService();
   if (service) {
     service->GetAllNodesForDebugging(
-        base::Bind(&SyncInternalsMessageHandler::OnReceivedAllNodes,
-                   weak_ptr_factory_.GetWeakPtr(), request_id));
+        base::BindOnce(&SyncInternalsMessageHandler::OnReceivedAllNodes,
+                       weak_ptr_factory_.GetWeakPtr(), request_id));
   }
 }