[Sensors] Return 'NotReadableError' exception if failed to find a sensor

third_party/WebKit/LayoutTests/sensor/resources/generic-sensor-tests.js

Index: third_party/WebKit/LayoutTests/sensor/resources/generic-sensor-tests.js
diff --git a/third_party/WebKit/LayoutTests/sensor/resources/generic-sensor-tests.js b/third_party/WebKit/LayoutTests/sensor/resources/generic-sensor-tests.js
index b0baa2a077e1b87b5a3ba20556fa5974c54dfb7f..8971afa35c9053d9326ecae2e11e11ea4fde97e1 100644
--- a/third_party/WebKit/LayoutTests/sensor/resources/generic-sensor-tests.js
+++ b/third_party/WebKit/LayoutTests/sensor/resources/generic-sensor-tests.js
@@ -17,7 +17,7 @@ function runGenericSensorTests(sensorType, updateReading, verifyReading) {
     return new Promise((resolve, reject) => {
       let wrapper = new CallbackWrapper(event => {
         assert_equals(sensorObject.state, 'errored');
-        assert_equals(event.error.name, 'NotFoundError');
+        assert_equals(event.error.name, 'NotReadableError');
         sensorObject.onerror = null;
         resolve();
       }, reject);