Convert mojo::Binding to mojo::Receiver in XRSession

This CL applies mojo::Receiver to |client_receiver_|
member variable.

Bug: 955171, 978694
Change-Id: I6c473edc4cb46d2e92c6dd0e6a3b8a9343b2f978
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1808658Reviewed-by: Alexander Cooper <alcooper@chromium.org>
Reviewed-by: Oksana Zhuravlova <oksamyt@chromium.org>
Commit-Queue: Gyuyoung Kim <gyuyoung@igalia.com>
Cr-Commit-Position: refs/heads/master@{#697425}

third_party/blink/renderer/modules/xr/xr_session.cc

@@ -151,7 +151,8 @@ class XRSession::XRSessionResizeObserverDelegate final
 
 XRSession::XRSession(
     XR* xr,
-    device::mojom::blink::XRSessionClientRequest client_request,
+    mojo::PendingReceiver<device::mojom::blink::XRSessionClient>
+        client_receiver,
     XRSession::SessionMode mode,
     EnvironmentBlendMode environment_blend_mode,
     bool uses_input_eventing,
@@ -164,7 +165,7 @@ XRSession::XRSession(
       world_information_(MakeGarbageCollected<XRWorldInformation>(this)),
       enabled_features_(std::move(enabled_features)),
       input_sources_(MakeGarbageCollected<XRInputSourceArray>()),
-      client_binding_(this, std::move(client_request)),
+      client_receiver_(this, std::move(client_receiver)),
       input_binding_(this),
       callback_collection_(
           MakeGarbageCollected<XRFrameRequestCallbackCollection>(

third_party/blink/renderer/modules/xr/xr_session.h

@@ -8,7 +8,7 @@
 #include "base/containers/span.h"
 #include "device/vr/public/mojom/vr_service.mojom-blink.h"
 #include "mojo/public/cpp/bindings/associated_binding.h"
-#include "mojo/public/cpp/bindings/binding.h"
+#include "mojo/public/cpp/bindings/receiver.h"
 #include "third_party/blink/renderer/bindings/core/v8/script_promise.h"
 #include "third_party/blink/renderer/core/dom/events/event_target.h"
 #include "third_party/blink/renderer/core/typed_arrays/array_buffer_view_helpers.h"
@@ -69,7 +69,8 @@ class XRSession final
   };
 
   XRSession(XR* xr,
-            device::mojom::blink::XRSessionClientRequest client_request,
+            mojo::PendingReceiver<device::mojom::blink::XRSessionClient>
+                client_receiver,
             SessionMode mode,
             EnvironmentBlendMode environment_blend_mode,
             bool uses_input_eventing,
@@ -305,7 +306,7 @@ class XRSession final
   unsigned int stage_parameters_id_ = 0;
   device::mojom::blink::VRDisplayInfoPtr display_info_;
 
-  mojo::Binding<device::mojom::blink::XRSessionClient> client_binding_;
+  mojo::Receiver<device::mojom::blink::XRSessionClient> client_receiver_;
   mojo::AssociatedBinding<device::mojom::blink::XRInputSourceButtonListener>
       input_binding_;