Make non-initial about:blank loads asynchronous

Don't update iframe pipeline until load completes

To preserve the previous functionality of delaying load events when a
new navigation is triggered, pending pipeline id represents the
current pending load. The load event is only fired if the load message's
pipeline id matches the pending pipeline id.

Track frame size on Frame instead of Pipeline

Disabled matchMedia test

Track creator pipeline id

1 files changed, 4 insertions, 4 deletions

diff --git a/components/script_traits/script_msg.rs b/components/script_traits/script_msg.rs
index 47a7b103c8c..0402e3ddad6 100644
--- a/components/script_traits/script_msg.rs
+++ b/components/script_traits/script_msg.rs
@@ -34,8 +34,8 @@ use webrender_traits::ClipId;
 pub enum LayoutMsg {
     /// Indicates whether this pipeline is currently running animations.
     ChangeRunningAnimationsState(PipelineId, AnimationState),
-    /// Inform the constellation of the size of the pipeline's viewport.
-    FrameSizes(Vec<(PipelineId, TypedSize2D<f32, CSSPixel>)>),
+    /// Inform the constellation of the size of the frame's viewport.
+    FrameSizes(Vec<(FrameId, TypedSize2D<f32, CSSPixel>)>),
     /// Requests that the constellation inform the compositor of the a cursor change.
     SetCursor(Cursor),
     /// Notifies the constellation that the viewport has been constrained in some manner
@@ -120,8 +120,8 @@ pub enum ScriptMsg {
     VisibilityChangeComplete(PipelineId, bool),
     /// A load has been requested in an IFrame.
     ScriptLoadedURLInIFrame(IFrameLoadInfoWithData),
-    /// A load of `about:blank` has been completed in an IFrame.
-    ScriptLoadedAboutBlankInIFrame(IFrameLoadInfo, IpcSender<LayoutControlMsg>),
+    /// A load of the initial `about:blank` has been completed in an IFrame.
+    ScriptNewIFrame(IFrameLoadInfo, IpcSender<LayoutControlMsg>),
     /// Requests that the constellation set the contents of the clipboard
     SetClipboardContents(String),
     /// Mark a new document as active