bluetooth: show better error messages for services, characteristics and descriptors

third_party/WebKit/Source/modules/bluetooth/BluetoothError.h

Index: third_party/WebKit/Source/modules/bluetooth/BluetoothError.h
diff --git a/third_party/WebKit/Source/modules/bluetooth/BluetoothError.h b/third_party/WebKit/Source/modules/bluetooth/BluetoothError.h
index c9374283b4cf3b0de64c4c7daa985b68ac74b147..8e989506173e4a1c83b04068bf790a9a1e140bdb 100644
--- a/third_party/WebKit/Source/modules/bluetooth/BluetoothError.h
+++ b/third_party/WebKit/Source/modules/bluetooth/BluetoothError.h
@@ -11,8 +11,17 @@
 
 namespace blink {
 
+// These error codes requires detailed error messages.
+enum class BluetoothErrorCode {
+  InvalidService,
+  InvalidCharacteristic,
+  InvalidDescriptor,
+  ServiceNotFound,
+  CharacteristicNotFound,
+  DescriptorNotFound
+};
+
 class DOMException;
-class ScriptPromiseResolver;
 
 // BluetoothError is used with CallbackPromiseAdapter to receive
 // WebBluetoothResult responses. See CallbackPromiseAdapter class comments.
@@ -20,9 +29,11 @@ class BluetoothError {
   STATIC_ONLY(BluetoothError);
 
  public:
-  // Interface required by CallbackPromiseAdapter:
-  static DOMException* take(ScriptPromiseResolver*,
-                            mojom::blink::WebBluetoothResult);
+  static DOMException* createDOMException(BluetoothErrorCode,
+                                          const String& detailedMessage);
+
+  static DOMException* createDOMException(
+      mojom::blink::WebBluetoothResult error);
 };
 
 }  // namespace blink