Implement the notifyCharacteristicValueChanged API.

chrome/test/data/extensions/api_test/bluetooth_low_energy/notify_characteristic_value_changed/runtest.js

Index: chrome/test/data/extensions/api_test/bluetooth_low_energy/notify_characteristic_value_changed/runtest.js
diff --git a/chrome/test/data/extensions/api_test/bluetooth_low_energy/create_descriptor/runtest.js b/chrome/test/data/extensions/api_test/bluetooth_low_energy/notify_characteristic_value_changed/runtest.js
similarity index 56%
copy from chrome/test/data/extensions/api_test/bluetooth_low_energy/create_descriptor/runtest.js
copy to chrome/test/data/extensions/api_test/bluetooth_low_energy/notify_characteristic_value_changed/runtest.js
index ff84148cca346c0e9ac889518827b2c7a3ab0520..31f7b2e207c5876b9e33065084bb72f7140243b1 100644
--- a/chrome/test/data/extensions/api_test/bluetooth_low_energy/create_descriptor/runtest.js
+++ b/chrome/test/data/extensions/api_test/bluetooth_low_energy/notify_characteristic_value_changed/runtest.js
@@ -24,27 +24,28 @@ chrome.bluetoothLowEnergy.createService(service, function(serviceId) {
     return;
 
   var characteristic = { uuid: '00001234-0000-1000-8000-00805f9b34fa',
-    properties: ['read'] };
+    properties: ['notify']};
   chrome.bluetoothLowEnergy.createCharacteristic(characteristic, serviceId,
-      function(characteristicId) {
+        function(characteristicId) {
     if (failOnError(characteristicId))
-      return;
-
-    var descriptor = { uuid: '00001234-0000-1000-8000-00805f9b34fc',
-      permissions: ['read'] };
-    // Invalid characteristic ID.
-    chrome.bluetoothLowEnergy.createDescriptor(descriptor,
-        'invalidCharacteristicId', function(descriptorId) {
-      if (failOnSuccess())
+        return;
+    chrome.bluetoothLowEnergy.registerService(serviceId, function() {
+      if (failOnError('result'))
         return;
 
-      // Valid characteristic ID.
-      chrome.bluetoothLowEnergy.createDescriptor(descriptor, characteristicId,
-          function(descriptorId) {
-        if (failOnError(descriptorId))
+      var bytes = [0xBA, 0xAD, 0x72, 0xF0, 0x0D, 0x65];
+      var newValue = (new Uint8Array(bytes)).buffer;
+      chrome.bluetoothLowEnergy.notifyCharacteristicValueChanged(
+          'invalid_id', {value: newValue, shouldIndicate: false}, function() {
+        if (failOnSuccess())
           return;
-
-        chrome.test.succeed();
+        chrome.bluetoothLowEnergy.notifyCharacteristicValueChanged(
+            characteristicId, {value: newValue, shouldIndicate: false},
+            function() {
+          if (failOnError('result'))
+            return;
+          chrome.test.succeed();
+        });
       });
     });
   });