Implement beginnings of joint session history

Fix backward navigation

make use of history iterator

Add frame iterator
add different back logic

cleanup navigation_info

Add extra explanation for iter logic

Remove forward history on full frame tree

Rename navigation to traversal where appropriate

check full tree for can go back/forward

simplify frame iter logic

remove FrameIterator

cleanup history iter

reduce amount of vec allocations

removed extra parenthesis

Remove history iterator

cleanup after rebasing

avoid recursive vec allocation
remove full_frame_tree
remove_forward_history_in_frame_tree -> clear_joint_session_future

1 files changed, 3 insertions, 3 deletions

diff --git a/components/script_traits/script_msg.rs b/components/script_traits/script_msg.rs
index db92a143df5..3ba4494432b 100644
--- a/components/script_traits/script_msg.rs
+++ b/components/script_traits/script_msg.rs
@@ -17,7 +17,7 @@ use euclid::size::Size2D;
 use gfx_traits::LayerId;
 use ipc_channel::ipc::IpcSender;
 use msg::constellation_msg::{Key, KeyModifiers, KeyState, LoadData};
-use msg::constellation_msg::{NavigationDirection, PipelineId, SubpageId};
+use msg::constellation_msg::{PipelineId, SubpageId, TraversalDirection};
 use net_traits::CoreResourceMsg;
 use offscreen_gl_context::{GLContextAttributes, GLLimits};
 use style_traits::cursor::Cursor;
@@ -91,8 +91,8 @@ pub enum ScriptMsg {
     /// Dispatch a mozbrowser event to a given iframe,
     /// or to the window if no subpage id is provided.
     MozBrowserEvent(PipelineId, Option<SubpageId>, MozBrowserEvent),
-    /// HTMLIFrameElement Forward or Back navigation.
-    Navigate(Option<(PipelineId, SubpageId)>, NavigationDirection),
+    /// HTMLIFrameElement Forward or Back traversal.
+    TraverseHistory(Option<PipelineId>, TraversalDirection),
     /// Favicon detected
     NewFavicon(Url),
     /// Status message to be displayed in the chrome, eg. a link URL on mouseover.