Implement synchronous about:blank loading.

Based on initial work by jdm in <https://github.com/servo/servo/pull/8600>.

1 files changed, 5 insertions, 1 deletions

diff --git a/components/script_traits/script_msg.rs b/components/script_traits/script_msg.rs
index d4a9fc7442b..7ef20af9fbc 100644
--- a/components/script_traits/script_msg.rs
+++ b/components/script_traits/script_msg.rs
@@ -6,6 +6,8 @@ use AnimationState;
 use CompositorEvent;
 use DocumentState;
 use IFrameLoadInfo;
+use IFrameLoadInfoWithData;
+use LayoutControlMsg;
 use LoadData;
 use MozBrowserEvent;
 use WorkerGlobalScopeInit;
@@ -105,7 +107,9 @@ pub enum ScriptMsg {
     /// Notifies constellation that an iframe's visibility has been changed.
     VisibilityChangeComplete(PipelineId, bool),
     /// A load has been requested in an IFrame.
-    ScriptLoadedURLInIFrame(IFrameLoadInfo),
+    ScriptLoadedURLInIFrame(IFrameLoadInfoWithData),
+    /// A load of `about:blank` has been completed in an IFrame.
+    ScriptLoadedAboutBlankInIFrame(IFrameLoadInfo, IpcSender<LayoutControlMsg>),
     /// Requests that the constellation set the contents of the clipboard
     SetClipboardContents(String),
     /// Mark a new document as active