feat(grcp): support MutableContent for ios (#332)

rpc/example/node/client.js

@@ -19,6 +19,7 @@ function main() {
   request.setAlert(alert);
   request.setThreadid("threadID");
   request.setContentavailable(false);
+  request.setMutablecontent(false);
   client.send(request, function (err, response) {
     if(err) {
       console.log(err);

rpc/example/node/gorush_pb.js

@@ -501,7 +501,8 @@ proto.proto.NotificationRequest.toObject = function(includeInstance, msg) {
     alert: (f = msg.getAlert()) && proto.proto.Alert.toObject(includeInstance, f),
     sound: jspb.Message.getFieldWithDefault(msg, 10, ""),
     contentavailable: jspb.Message.getFieldWithDefault(msg, 11, false),
-    threadid: jspb.Message.getFieldWithDefault(msg, 12, "")
+    threadid: jspb.Message.getFieldWithDefault(msg, 12, ""),
+    mutablecontent: jspb.Message.getFieldWithDefault(msg, 13, false)
   };
 
   if (includeInstance) {
@@ -587,6 +588,10 @@ proto.proto.NotificationRequest.deserializeBinaryFromReader = function(msg, read
       var value = /** @type {string} */ (reader.readString());
       msg.setThreadid(value);
       break;
+    case 13:
+      var value = /** @type {boolean} */ (reader.readBool());
+      msg.setMutablecontent(value);
+      break;
     default:
       reader.skipField();
       break;
@@ -700,6 +705,13 @@ proto.proto.NotificationRequest.serializeBinaryToWriter = function(message, writ
       f
     );
   }
+  f = message.getMutablecontent();
+  if (f) {
+    writer.writeBool(
+      13,
+      f
+    );
+  }
 };
 
 
@@ -916,6 +928,23 @@ proto.proto.NotificationRequest.prototype.setThreadid = function(value) {
 };
 
 
+/**
+ * optional bool mutableContent = 13;
+ * Note that Boolean fields may be set to 0/1 when serialized from a Java server.
+ * You should avoid comparisons like {@code val === true/false} in those cases.
+ * @return {boolean}
+ */
+proto.proto.NotificationRequest.prototype.getMutablecontent = function() {
+  return /** @type {boolean} */ (jspb.Message.getFieldWithDefault(this, 13, false));
+};
+
+
+/** @param {boolean} value */
+proto.proto.NotificationRequest.prototype.setMutablecontent = function(value) {
+  jspb.Message.setField(this, 13, value);
+};
+
+
 
 /**
  * Generated by JsPbCodeGenerator.