Convert CameraHalDispatcher to new Mojo types

This CL converts CameraHalDispatcherRequest and
BindingSet<CameraHalDispatcher> in media to the new Mojo type.

Bug: 955171
Change-Id: I2345178fc387d0db1b2b3b43d787d439ac517404
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1863090
Commit-Queue: Miyoung Shin <myid.shin@igalia.com>
Reviewed-by: Ken Rockot <rockot@google.com>
Reviewed-by: Ricky Liang <jcliang@chromium.org>
Cr-Commit-Position: refs/heads/master@{#707311}

media/capture/video/chromeos/camera_hal_dispatcher_impl.cc

@@ -367,8 +367,9 @@ void CameraHalDispatcherImpl::EstablishMojoChannel(
 void CameraHalDispatcherImpl::OnPeerConnected(
     mojo::ScopedMessagePipeHandle message_pipe) {
   DCHECK(proxy_task_runner_->BelongsToCurrentThread());
-  binding_set_.AddBinding(
-      this, cros::mojom::CameraHalDispatcherRequest(std::move(message_pipe)));
+  receiver_set_.Add(this,
+                    mojo::PendingReceiver<cros::mojom::CameraHalDispatcher>(
+                        std::move(message_pipe)));
   VLOG(1) << "New CameraHalDispatcher binding added";
 }
 
@@ -398,7 +399,7 @@ void CameraHalDispatcherImpl::StopOnProxyThread() {
   cancel_pipe_.reset();
   client_observers_.clear();
   camera_hal_server_.reset();
-  binding_set_.CloseAllBindings();
+  receiver_set_.Clear();
 }
 
 void CameraHalDispatcherImpl::OnTraceLogEnabledOnProxyThread() {

media/capture/video/chromeos/camera_hal_dispatcher_impl.h

@@ -18,9 +18,9 @@
 #include "media/capture/video/chromeos/mojom/cros_camera_service.mojom.h"
 #include "media/capture/video/chromeos/video_capture_device_factory_chromeos.h"
 #include "media/capture/video/video_capture_device_factory.h"
-#include "mojo/public/cpp/bindings/binding_set.h"
 #include "mojo/public/cpp/bindings/pending_receiver.h"
 #include "mojo/public/cpp/bindings/pending_remote.h"
+#include "mojo/public/cpp/bindings/receiver_set.h"
 #include "mojo/public/cpp/bindings/remote.h"
 #include "mojo/public/cpp/platform/platform_channel_server_endpoint.h"
 
@@ -126,7 +126,7 @@ class CAPTURE_EXPORT CameraHalDispatcherImpl final
   scoped_refptr<base::SingleThreadTaskRunner> proxy_task_runner_;
   scoped_refptr<base::SingleThreadTaskRunner> blocking_io_task_runner_;
 
-  mojo::BindingSet<cros::mojom::CameraHalDispatcher> binding_set_;
+  mojo::ReceiverSet<cros::mojom::CameraHalDispatcher> receiver_set_;
 
   mojo::Remote<cros::mojom::CameraHalServer> camera_hal_server_;