Remove fake Bluetooth adapter from canonicalizeFilter tests

third_party/WebKit/LayoutTests/bluetooth/requestDevice/canonicalizeFilter/unicode-max-length-for-name-in-adv-namePrefix.html

Index: third_party/WebKit/LayoutTests/bluetooth/requestDevice/canonicalizeFilter/unicode-max-length-for-name-in-adv-namePrefix.html
diff --git a/third_party/WebKit/LayoutTests/bluetooth/requestDevice/canonicalizeFilter/unicode-max-length-for-name-in-adv-namePrefix.html b/third_party/WebKit/LayoutTests/bluetooth/requestDevice/canonicalizeFilter/unicode-max-length-for-name-in-adv-namePrefix.html
index 15f78c09d3839500a1201f5ffe13add8ffbbe28b..2d2f6531bc17b88f0dce3527892344e1d238b2bd 100644
--- a/third_party/WebKit/LayoutTests/bluetooth/requestDevice/canonicalizeFilter/unicode-max-length-for-name-in-adv-namePrefix.html
+++ b/third_party/WebKit/LayoutTests/bluetooth/requestDevice/canonicalizeFilter/unicode-max-length-for-name-in-adv-namePrefix.html
@@ -7,13 +7,12 @@ promise_test(() => {
   // \u2764's UTF-8 respresentation is 3 bytes long.
   // 83 chars * 3 bytes/char = 249 bytes
   let unicode_name = generate_string(83, '\u2764');
-  return setBluetoothFakeAdapter('UnicodeDeviceAdapter')
-      .then(() => assert_promise_rejects_with_message(
-        requestDeviceWithKeyDown({filters: [{namePrefix: unicode_name}]}),
-        new DOMException(
-          'Failed to execute \'requestDevice\' on \'Bluetooth\': ' +
-          'A device name can\'t be longer than 248 bytes.',
-          'TypeError')));
+  return assert_promise_rejects_with_message(
+    requestDeviceWithKeyDown({filters: [{namePrefix: unicode_name}]}),
+    new DOMException(
+      'Failed to execute \'requestDevice\' on \'Bluetooth\': ' +
+      'A device name can\'t be longer than 248 bytes.',
+    'TypeError'));
 }, 'Unicode string in \'namePrefix\' with utf8 representation greater than ' +
    '248 bytes must throw TypeError.');
 </script>