[sensors] Add Permission guard to the generic sensor apis.

third_party/WebKit/LayoutTests/http/tests/permissions/resources/test-query.js

 if (self.importScripts) {
     importScripts('helpers.js');
 
     if (get_current_scope() == 'ServiceWorker')
         importScripts('../../serviceworker/resources/worker-testharness.js');
     else
         importScripts('../../resources/testharness.js');
 }
 
 async_test(function(test) {
@@ skipping 17 matching lines @@
     navigator.permissions.query({name:'geolocation'}).then(function(result) {
         assert_true(result instanceof PermissionStatus);
         assert_equals(result.state, 'denied');
         test.done();
     }).catch(function() {
         assert_unreached('querying geolocation permission should not fail.')
     });
 }, 'Test geolocation permission in ' + get_current_scope() + ' scope.');
 
 async_test(function(test) {
-    navigator.permissions.query({name:'midi'}).then(function(result) {
+  navigator.permissions.query({name: 'sensors'})
+      .then(function(result) {
+        assert_true(result instanceof PermissionStatus);
+        assert_equals(result.state, 'denied');
+        test.done();
+      })
+      .catch(function() {
+        assert_unreached('querying sensors permission should not fail.')
+      });
+}, 'Test sensors permission in ' + get_current_scope() + ' scope.');
+
+async_test(function(test) {
+  navigator.permissions.query({name: 'midi'})
+      .then(function(result) {
         assert_true(result instanceof PermissionStatus);
         assert_equals(result.state, 'denied');
 
         // Test for sysex=false.
         return navigator.permissions.query({name:'midi', sysex: false});
-    }).then(function(result) {
+      })
+      .then(function(result) {
         assert_true(result instanceof PermissionStatus);
         assert_equals(result.state, 'denied');
 
         // Test for sysex=true.
         return navigator.permissions.query({name:'midi', sysex: true});
-    }).then(function(result) {
+      })
+      .then(function(result) {
         assert_true(result instanceof PermissionStatus);
         assert_equals(result.state, 'denied');
         test.done();
-    }).catch(function() {
+      })
+      .catch(function() {
         assert_unreached('querying midi permission should not fail.')
-    });
+      });
 }, 'Test midi permission in ' + get_current_scope() + ' scope.');
 
 async_test(function(test) {
     navigator.permissions.query({name:'notifications'}).then(function(result) {
         assert_true(result instanceof PermissionStatus);
         assert_equals(result.state, 'denied');
         test.done();
     }).catch(function() {
         assert_unreached('querying notifications permission should not fail.')
     });
@@ skipping 17 matching lines @@
     }).then(function(result) {
         assert_true(result instanceof PermissionStatus);
         assert_equals(result.state, 'denied');
         test.done();
     }).catch(function() {
         assert_unreached('querying push permission should not fail.')
     });
 }, 'Test push permission in ' + get_current_scope() + ' scope.');
 
 done();