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 f57f9f90bd04cd8047e47cabcc5d0c6eae8a337e..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);
 
@@ -99,7 +108,6 @@ interface AdapterClient {
 
   // Called after the device hasn't been seen for 3 minutes.
   DeviceRemoved(DeviceInfo device);
-
 };
 
 interface AdapterFactory {