move FocusType enum to the script crate

This commit moves the FocusType enum to the script crate and replaces
all usages with the new `usage`.

Fixes #8840

components/msg/constellation_msg.rs

@@ -213,13 +213,6 @@ bitflags! {
     }
 }
 
-/// Specifies the type of focus event that is sent to a pipeline
-#[derive(Copy, Clone, PartialEq)]
-pub enum FocusType {
-    Element,    // The first focus message - focus the element itself
-    Parent,     // Focusing a parent element (an iframe)
-}
-
 /// Specifies the information required to load a URL in an iframe.
 #[derive(Deserialize, Serialize)]
 pub struct IframeLoadInfo {

components/script/dom/document.rs

@@ -84,7 +84,7 @@ use msg::compositor_msg::ScriptToCompositorMsg;
 use msg::constellation_msg::ScriptMsg as ConstellationMsg;
 use msg::constellation_msg::{ALT, CONTROL, SHIFT, SUPER};
 use msg::constellation_msg::{AnimationState, PipelineId};
-use msg::constellation_msg::{ConstellationChan, FocusType, Key, KeyModifiers, KeyState};
+use msg::constellation_msg::{ConstellationChan, Key, KeyModifiers, KeyState};
 use msg::constellation_msg::{MouseButton, MouseEventType, MozBrowserEvent, SubpageId};
 use net_traits::ControlMsg::{GetCookiesForUrl, SetCookiesForUrl};
 use net_traits::CookieSource::NonHTTP;
@@ -2493,3 +2493,10 @@ impl Runnable for DocumentProgressHandler {
         }
     }
 }
+
+/// Specifies the type of focus event that is sent to a pipeline
+#[derive(Copy, Clone, PartialEq)]
+pub enum FocusType {
+    Element,    // The first focus message - focus the element itself
+    Parent,     // Focusing a parent element (an iframe)
+}

components/script/dom/htmlelement.rs

@@ -17,7 +17,7 @@ use dom::bindings::inheritance::{ElementTypeId, HTMLElementTypeId, NodeTypeId};
 use dom::bindings::js::{JS, MutNullableHeap, Root, RootedReference};
 use dom::bindings::reflector::Reflectable;
 use dom::cssstyledeclaration::{CSSModificationAccess, CSSStyleDeclaration};
-use dom::document::Document;
+use dom::document::{Document, FocusType};
 use dom::domstringmap::DOMStringMap;
 use dom::element::{AttributeMutation, Element};
 use dom::eventtarget::EventTarget;
@@ -30,7 +30,6 @@ use dom::node::{Node, SEQUENTIALLY_FOCUSABLE};
 use dom::node::{document_from_node, window_from_node};
 use dom::nodelist::NodeList;
 use dom::virtualmethods::VirtualMethods;
-use msg::constellation_msg::FocusType;
 use selectors::states::*;
 use std::ascii::AsciiExt;
 use std::borrow::ToOwned;

components/script/script_task.rs

@@ -31,7 +31,7 @@ use dom::bindings::js::{RootCollectionPtr, RootedReference};
 use dom::bindings::refcounted::{LiveDOMReferences, Trusted, TrustedReference, trace_refcounted_objects};
 use dom::bindings::trace::{JSTraceable, RootedVec, trace_traceables};
 use dom::bindings::utils::{DOM_CALLBACKS, WRAP_CALLBACKS};
-use dom::document::{Document, DocumentProgressHandler, DocumentSource, IsHTMLDocument};
+use dom::document::{Document, DocumentProgressHandler, DocumentSource, FocusType, IsHTMLDocument};
 use dom::element::Element;
 use dom::event::{Event, EventBubbles, EventCancelable};
 use dom::htmlanchorelement::HTMLAnchorElement;
@@ -63,7 +63,7 @@ use libc;
 use mem::heap_size_of_self_and_children;
 use msg::compositor_msg::{EventResult, LayerId, ScriptToCompositorMsg};
 use msg::constellation_msg::ScriptMsg as ConstellationMsg;
-use msg::constellation_msg::{ConstellationChan, FocusType, LoadData};
+use msg::constellation_msg::{ConstellationChan, LoadData};
 use msg::constellation_msg::{MouseButton, MouseEventType, MozBrowserEvent, PipelineId};
 use msg::constellation_msg::{PipelineNamespace};
 use msg::constellation_msg::{SubpageId, WindowSizeData, WorkerId};