auto merge of #3718 : juzer10/servo/master, r=jdm

We have created parser trait and declared parse_chunk function in this trait. We are yet to implement this parse_chunk for ServoHTMLParser struct.

components/script/dom/servohtmlparser.rs

@@ -14,6 +14,7 @@ use dom::bindings::utils::{Reflectable, Reflector, reflect_dom_object};
 use dom::node::TrustedNodeAddress;
 use dom::document::{Document, DocumentHelpers};
 use parse::html::JSMessage;
+use parse::Parser;
 
 use servo_util::task_state;
 
@@ -43,6 +44,15 @@ pub struct ServoHTMLParser {
     tokenizer: DOMRefCell<Tokenizer>,
 }
 
+impl Parser for ServoHTMLParser{
+    fn parse_chunk(&self, input: String) {
+        self.tokenizer().borrow_mut().feed(input);
+    }
+    fn finish(&self){
+        self.tokenizer().borrow_mut().end();
+    }
+}
+
 impl ServoHTMLParser {
     #[allow(unrooted_must_root)]
     pub fn new(js_chan: Sender<JSMessage>, base_url: Option<Url>, document: JSRef<Document>)