script: Limit public exports. (#34915)

* script: Restrict reexport visibility of DOM types.

Signed-off-by: Josh Matthews <josh@joshmatthews.net>

* script: Mass pub->pub(crate) conversion.

Signed-off-by: Josh Matthews <josh@joshmatthews.net>

* script: Hide existing dead code warnings.

Signed-off-by: Josh Matthews <josh@joshmatthews.net>

* Formatting.

Signed-off-by: Josh Matthews <josh@joshmatthews.net>

* Fix clippy warnings.

Signed-off-by: Josh Matthews <josh@joshmatthews.net>

* Formatting.

Signed-off-by: Josh Matthews <josh@joshmatthews.net>

* Fix unit tests.

Signed-off-by: Josh Matthews <josh@joshmatthews.net>

* Fix clippy.

Signed-off-by: Josh Matthews <josh@joshmatthews.net>

* More formatting.

Signed-off-by: Josh Matthews <josh@joshmatthews.net>

---------

Signed-off-by: Josh Matthews <josh@joshmatthews.net>

components/script/dom/htmlimageelement.rs

@@ -103,7 +103,7 @@ enum ParseState {
     AfterDescriptor,
 }
 
-pub struct SourceSet {
+pub(crate) struct SourceSet {
     image_sources: Vec<ImageSource>,
     source_size: SourceSizeList,
 }
@@ -161,7 +161,7 @@ struct ImageRequest {
     current_pixel_density: Option<f64>,
 }
 #[dom_struct]
-pub struct HTMLImageElement {
+pub(crate) struct HTMLImageElement {
     htmlelement: HTMLElement,
     image_request: Cell<ImageRequestPhase>,
     current_request: DomRefCell<ImageRequest>,
@@ -176,11 +176,11 @@ pub struct HTMLImageElement {
 }
 
 impl HTMLImageElement {
-    pub fn get_url(&self) -> Option<ServoUrl> {
+    pub(crate) fn get_url(&self) -> Option<ServoUrl> {
         self.current_request.borrow().parsed_url.clone()
     }
     // https://html.spec.whatwg.org/multipage/#check-the-usability-of-the-image-argument
-    pub fn is_usable(&self) -> Fallible<bool> {
+    pub(crate) fn is_usable(&self) -> Fallible<bool> {
         // If image has an intrinsic width or intrinsic height (or both) equal to zero, then return bad.
         if let Some(image) = &self.current_request.borrow().image {
             if image.width == 0 || image.height == 0 {
@@ -197,7 +197,7 @@ impl HTMLImageElement {
         }
     }
 
-    pub fn image_data(&self) -> Option<Arc<Image>> {
+    pub(crate) fn image_data(&self) -> Option<Arc<Image>> {
         self.current_request.borrow().image.clone()
     }
 }
@@ -939,7 +939,7 @@ impl HTMLImageElement {
     }
 
     /// <https://html.spec.whatwg.org/multipage/#update-the-image-data>
-    pub fn update_the_image_data(&self, can_gc: CanGc) {
+    pub(crate) fn update_the_image_data(&self, can_gc: CanGc) {
         let document = self.owner_document();
         let window = document.window();
         let elem = self.upcast::<Element>();
@@ -1043,7 +1043,7 @@ impl HTMLImageElement {
     }
 
     /// <https://html.spec.whatwg.org/multipage/#img-environment-changes>
-    pub fn react_to_environment_changes(&self) {
+    pub(crate) fn react_to_environment_changes(&self) {
         // Step 1
         let task = ImageElementMicrotask::EnvironmentChanges {
             elem: DomRoot::from_ref(self),
@@ -1325,7 +1325,7 @@ impl HTMLImageElement {
     }
 
     #[allow(crown::unrooted_must_root)]
-    pub fn new(
+    pub(crate) fn new(
         local_name: LocalName,
         prefix: Option<Prefix>,
         document: &Document,
@@ -1342,7 +1342,7 @@ impl HTMLImageElement {
         )
     }
 
-    pub fn areas(&self) -> Option<Vec<DomRoot<HTMLAreaElement>>> {
+    pub(crate) fn areas(&self) -> Option<Vec<DomRoot<HTMLAreaElement>>> {
         let elem = self.upcast::<Element>();
         let usemap_attr = elem.get_attribute(&ns!(), &local_name!("usemap"))?;
 
@@ -1372,7 +1372,7 @@ impl HTMLImageElement {
         useMapElements.map(|mapElem| mapElem.get_area_elements())
     }
 
-    pub fn same_origin(&self, origin: &MutableOrigin) -> bool {
+    pub(crate) fn same_origin(&self, origin: &MutableOrigin) -> bool {
         if let Some(ref image) = self.current_request.borrow().image {
             return image.cors_status == CorsStatus::Safe;
         }
@@ -1386,7 +1386,7 @@ impl HTMLImageElement {
 }
 
 #[derive(JSTraceable, MallocSizeOf)]
-pub enum ImageElementMicrotask {
+pub(crate) enum ImageElementMicrotask {
     StableStateUpdateImageData {
         elem: DomRoot<HTMLImageElement>,
         generation: u32,
@@ -1439,7 +1439,7 @@ impl MicrotaskRunnable for ImageElementMicrotask {
     }
 }
 
-pub trait LayoutHTMLImageElementHelpers {
+pub(crate) trait LayoutHTMLImageElementHelpers {
     fn image_url(self) -> Option<ServoUrl>;
     fn image_density(self) -> Option<f64>;
     fn image_data(self) -> (Option<Arc<Image>>, Option<ImageMetadata>);
@@ -1489,7 +1489,7 @@ impl LayoutHTMLImageElementHelpers for LayoutDom<'_, HTMLImageElement> {
 }
 
 //https://html.spec.whatwg.org/multipage/#parse-a-sizes-attribute
-pub fn parse_a_sizes_attribute(value: DOMString) -> SourceSizeList {
+pub(crate) fn parse_a_sizes_attribute(value: DOMString) -> SourceSizeList {
     let mut input = ParserInput::new(&value);
     let mut parser = Parser::new(&mut input);
     let url_data = Url::parse("about:blank").unwrap().into();
@@ -1914,7 +1914,7 @@ fn image_dimension_setter(element: &Element, attr: LocalName, value: u32, can_gc
 }
 
 /// Collect sequence of code points
-pub fn collect_sequence_characters(
+pub(crate) fn collect_sequence_characters(
     s: &str,
     mut predicate: impl FnMut(&char) -> bool,
 ) -> (&str, &str) {