[Squad] Use logical width/height override for media controls.

Gets rid of mutable style access from layout.

Bug: 813068
Change-Id: Ie6af46ed9a0be75b692a8443929fe3de1db774df
Reviewed-on: https://chromium-review.googlesource.com/1039571Reviewed-by: Morten Stenshorne <mstensho@chromium.org>
Reviewed-by: Ian Kilpatrick <ikilpatrick@chromium.org>
Commit-Queue: Rune Lillesveen <futhark@chromium.org>
Cr-Commit-Position: refs/heads/master@{#555679}

third_party/blink/renderer/core/layout/layout_media.cc

@@ -92,11 +92,8 @@ void LayoutMedia::UpdateLayout() {
 
     LayoutBox* layout_box = ToLayoutBox(child);
     layout_box->SetLocation(new_rect.Location());
-    // TODO(foolip): Remove the mutableStyleRef() and depend on CSS
-    // width/height: inherit to match the media element size.
-    layout_box->MutableStyleRef().SetHeight(Length(new_rect.Height(), kFixed));
-    layout_box->MutableStyleRef().SetWidth(Length(width, kFixed));
-
+    layout_box->SetOverrideLogicalWidth(width);
+    layout_box->SetOverrideLogicalHeight(new_rect.Height());
     layout_box->ForceLayout();
   }