Webdriver uses browsing context ids rather than pipeline ids.

1 files changed, 7 insertions, 9 deletions

diff --git a/components/script/dom/htmliframeelement.rs b/components/script/dom/htmliframeelement.rs
index 00755213c75..3621bf3f4f9 100644
--- a/components/script/dom/htmliframeelement.rs
+++ b/components/script/dom/htmliframeelement.rs
@@ -498,7 +498,7 @@ unsafe fn build_mozbrowser_event_detail(event: MozBrowserEvent,
         }
         MozBrowserEvent::LocationChange(url, can_go_back, can_go_forward) => {
             BrowserElementLocationChangeEventDetail {
-                url: Some(DOMString::from(url)),
+                url: Some(DOMString::from(url.as_str())),
                 canGoBack: Some(can_go_back),
                 canGoForward: Some(can_go_forward),
             }.to_jsval(cx, rval);
@@ -540,18 +540,16 @@ unsafe fn build_mozbrowser_event_detail(event: MozBrowserEvent,
 
 pub fn Navigate(iframe: &HTMLIFrameElement, direction: TraversalDirection) -> ErrorResult {
     if iframe.Mozbrowser() {
-        if iframe.upcast::<Node>().is_in_doc_with_browsing_context() {
+        if let Some(top_level_browsing_context_id) = iframe.top_level_browsing_context_id() {
             let window = window_from_node(iframe);
-            let msg = ConstellationMsg::TraverseHistory(iframe.pipeline_id(), direction);
+            let msg = ConstellationMsg::TraverseHistory(top_level_browsing_context_id, direction);
             window.upcast::<GlobalScope>().constellation_chan().send(msg).unwrap();
+            return Ok(());
         }
-
-        Ok(())
-    } else {
-        debug!(concat!("this frame is not mozbrowser: mozbrowser attribute missing, or not a top",
-            "level window, or mozbrowser preference not set (use --pref dom.mozbrowser.enabled)"));
-        Err(Error::NotSupported)
     }
+    debug!(concat!("this frame is not mozbrowser: mozbrowser attribute missing, or not a top",
+                   "level window, or mozbrowser preference not set (use --pref dom.mozbrowser.enabled)"));
+    Err(Error::NotSupported)
 }
 
 impl HTMLIFrameElementMethods for HTMLIFrameElement {