From 5bbd09769c3d8910a11d014ed512a0e40f093c18 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Fernando=20Jim=C3=A9nez=20Moreno?= <ferjmoreno@gmail.com>
Date: Fri, 21 Sep 2018 16:32:59 +0200
Subject: [PATCH] Set input size

---
 components/script/dom/htmlmediaelement.rs | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/components/script/dom/htmlmediaelement.rs b/components/script/dom/htmlmediaelement.rs
index 26c6242a0834..df29a860a3ff 100644
--- a/components/script/dom/htmlmediaelement.rs
+++ b/components/script/dom/htmlmediaelement.rs
@@ -33,6 +33,7 @@ use dom::virtualmethods::VirtualMethods;
 use dom_struct::dom_struct;
 use fetch::FetchCanceller;
 use html5ever::{LocalName, Prefix};
+use hyper::header::ContentLength;
 use ipc_channel::ipc;
 use ipc_channel::router::ROUTER;
 use microtask::{Microtask, MicrotaskRunnable};
@@ -993,7 +994,6 @@ impl HTMLMediaElement {
 
                     // Step 5.
                     if self.is::<HTMLVideoElement>() {
-                        assert_ne!(self.ready_state.get(), ReadyState::HaveNothing);
                         let video_elem = self.downcast::<HTMLVideoElement>().unwrap();
                         video_elem.set_video_width(metadata.width);
                         video_elem.set_video_height(metadata.height);
@@ -1235,6 +1235,14 @@ impl FetchResponseListener for HTMLMediaElementContext {
             FetchMetadata::Filtered { unsafe_, .. } => unsafe_,
         });
 
+        if let Some(metadata) = self.metadata.as_ref() {
+            if let Some(headers) = metadata.headers.as_ref() {
+                if let Some(content_length) = headers.get::<ContentLength>() {
+                    self.elem.root().player.set_input_size(**content_length);
+                }
+            }
+        }
+
         let status_is_ok = self
             .metadata
             .as_ref()