Implement WebBluetooth descriptor.readValue()

third_party/WebKit/Source/modules/bluetooth/BluetoothRemoteGATTCharacteristic.cpp

Index: third_party/WebKit/Source/modules/bluetooth/BluetoothRemoteGATTCharacteristic.cpp
diff --git a/third_party/WebKit/Source/modules/bluetooth/BluetoothRemoteGATTCharacteristic.cpp b/third_party/WebKit/Source/modules/bluetooth/BluetoothRemoteGATTCharacteristic.cpp
index 89a1ea228b9310bb9b7cfa6293570c69c9dac058..ff47d23d5f0c6e83054a62e600d21a8af17c9c35 100644
--- a/third_party/WebKit/Source/modules/bluetooth/BluetoothRemoteGATTCharacteristic.cpp
+++ b/third_party/WebKit/Source/modules/bluetooth/BluetoothRemoteGATTCharacteristic.cpp
@@ -122,7 +122,6 @@ void BluetoothRemoteGATTCharacteristic::ReadValueCallback(
 
 ScriptPromise BluetoothRemoteGATTCharacteristic::readValue(
     ScriptState* scriptState) {
-  // We always check that the device is connected.
   if (!getGatt()->connected()) {
     return ScriptPromise::rejectWithDOMException(
         scriptState,
@@ -179,7 +178,6 @@ void BluetoothRemoteGATTCharacteristic::WriteValueCallback(
 ScriptPromise BluetoothRemoteGATTCharacteristic::writeValue(
     ScriptState* scriptState,
     const DOMArrayPiece& value) {
-  // We always check that the device is connected.
   if (!getGatt()->connected()) {
     return ScriptPromise::rejectWithDOMException(
         scriptState,
@@ -248,7 +246,6 @@ void BluetoothRemoteGATTCharacteristic::NotificationsCallback(
 
 ScriptPromise BluetoothRemoteGATTCharacteristic::startNotifications(
     ScriptState* scriptState) {
-  // We always check that the device is connected.
   if (!getGatt()->connected()) {
     return ScriptPromise::rejectWithDOMException(
         scriptState,
@@ -280,7 +277,6 @@ ScriptPromise BluetoothRemoteGATTCharacteristic::startNotifications(
 
 ScriptPromise BluetoothRemoteGATTCharacteristic::stopNotifications(
     ScriptState* scriptState) {
-  // We always check that the device is connected.
   if (!getGatt()->connected()) {
     return ScriptPromise::rejectWithDOMException(
         scriptState,