bluetooth: Add adapter page to internals page.

device/bluetooth/public/interfaces/adapter.mojom

Index: device/bluetooth/public/interfaces/adapter.mojom
diff --git a/device/bluetooth/public/interfaces/adapter.mojom b/device/bluetooth/public/interfaces/adapter.mojom
index 59bd35520073944a1d90e8f536b20874b39a74fd..82dae83e92e8f0a40dafa743148a5bc3901edad8 100644
--- a/device/bluetooth/public/interfaces/adapter.mojom
+++ b/device/bluetooth/public/interfaces/adapter.mojom
@@ -82,6 +82,15 @@ interface Adapter {
 };
 
 interface AdapterClient {
+  // Called when the presence of the adapter changes.
+  PresentChanged(bool present);
+
+  // Called when the radio power state of the adapter changes.
+  PoweredChanged(bool powered);
+
+  // Called when the discoverability state of the adapter changes.
+  DiscoverableChanged(bool discoverable);
+
   // Called when the discovering state of the adapter changes.
   DiscoveringChanged(bool discovering);