Defined new trait ParseErrorReporter and added error_reporter member to ParserContext

components/style/parser.rs

@@ -6,6 +6,7 @@
 use cssparser::{Parser, SourcePosition};
 use log;
 use selectors::parser::ParserContext as SelectorParserContext;
+use style_traits::ParseErrorReporter;
 use stylesheets::Origin;
 use url::{Url, UrlParser};
 
@@ -13,16 +14,19 @@ pub struct ParserContext<'a> {
     pub stylesheet_origin: Origin,
     pub base_url: &'a Url,
     pub selector_context: SelectorParserContext,
+    pub error_reporter: Box<ParseErrorReporter + Send>
 }
 
 impl<'a> ParserContext<'a> {
-    pub fn new(stylesheet_origin: Origin, base_url: &'a Url) -> ParserContext<'a> {
+    pub fn new(stylesheet_origin: Origin, base_url: &'a Url, error_reporter: Box<ParseErrorReporter + Send>)
+               -> ParserContext<'a> {
         let mut selector_context = SelectorParserContext::new();
         selector_context.in_user_agent_stylesheet = stylesheet_origin == Origin::UserAgent;
         ParserContext {
             stylesheet_origin: stylesheet_origin,
             base_url: base_url,
             selector_context: selector_context,
+            error_reporter: error_reporter,
         }
     }
 }