Add/update comments with links to spec

Extracted out of #5649

* add more hyperlinks to associated specification for structs/methods
* follow redirects and update links
* replace broken links
* removal of WHATWG multipage page name since the page name is not
  guaranteed to be stable

1 files changed, 3 insertions, 0 deletions

diff --git a/components/script/dom/imagedata.rs b/components/script/dom/imagedata.rs
index 4b1bccab86c..34bebafb082 100644
--- a/components/script/dom/imagedata.rs
+++ b/components/script/dom/imagedata.rs
@@ -73,14 +73,17 @@ impl<'a> ImageDataHelpers for JSRef<'a, ImageData> {
 }
 
 impl<'a> ImageDataMethods for JSRef<'a, ImageData> {
+    // https://html.spec.whatwg.org/multipage/#dom-imagedata-width
     fn Width(self) -> u32 {
         self.width
     }
 
+    // https://html.spec.whatwg.org/multipage/#dom-imagedata-height
     fn Height(self) -> u32 {
         self.height
     }
 
+    // https://html.spec.whatwg.org/multipage/#dom-imagedata-data
     fn Data(self, _: *mut JSContext) -> *mut JSObject {
         self.data
     }