Change PresentationService to use ReceiverSet

Bug: 1109123
Change-Id: Ifa755c1d1a0325558f499ba0fc462559c9f47c30
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2316209Reviewed-by: mark a. foltz <mfoltz@chromium.org>
Commit-Queue: Clovis PJ <clovispj@google.com>
Cr-Commit-Position: refs/heads/master@{#795457}

content/browser/presentation/presentation_service_impl.cc

@@ -118,8 +118,8 @@ std::unique_ptr<PresentationServiceImpl> PresentationServiceImpl::Create(
 
 void PresentationServiceImpl::Bind(
     mojo::PendingReceiver<blink::mojom::PresentationService> receiver) {
-  presentation_service_receiver_.Bind(std::move(receiver));
-  presentation_service_receiver_.set_disconnect_handler(base::BindOnce(
+  presentation_service_receivers_.Add(this, std::move(receiver));
+  presentation_service_receivers_.set_disconnect_handler(base::BindRepeating(
       &PresentationServiceImpl::OnConnectionError, base::Unretained(this)));
 }
 
@@ -497,7 +497,7 @@ void PresentationServiceImpl::Reset() {
 
   pending_reconnect_presentation_cbs_.clear();
 
-  presentation_service_receiver_.reset();
+  presentation_service_receivers_.Clear();
   presentation_controller_remote_.reset();
   presentation_receiver_remote_.reset();
 }

content/browser/presentation/presentation_service_impl.h

@@ -24,7 +24,7 @@
 #include "content/public/common/frame_navigate_params.h"
 #include "mojo/public/cpp/bindings/pending_receiver.h"
 #include "mojo/public/cpp/bindings/pending_remote.h"
-#include "mojo/public/cpp/bindings/receiver.h"
+#include "mojo/public/cpp/bindings/receiver_set.h"
 #include "mojo/public/cpp/bindings/remote.h"
 #include "third_party/blink/public/mojom/presentation/presentation.mojom.h"
 #include "url/gurl.h"
@@ -283,9 +283,8 @@ class CONTENT_EXPORT PresentationServiceImpl
   std::unordered_map<int, std::unique_ptr<NewPresentationCallbackWrapper>>
       pending_reconnect_presentation_cbs_;
 
-  // RAII receiver of |this| to PresentationService request.
-  mojo::Receiver<blink::mojom::PresentationService>
-      presentation_service_receiver_{this};
+  mojo::ReceiverSet<blink::mojom::PresentationService>
+      presentation_service_receivers_;
 
   // ID of the RenderFrameHost this object is associated with.
   int render_process_id_;