| layer at (0,0) size 800x600 clip at (0,0) size 785x600 scrollHeight 778 |
| LayoutView at (0,0) size 800x600 |
| layer at (0,0) size 785x546 |
| LayoutBlockFlow {HTML} at (0,0) size 785x546 |
| LayoutBlockFlow {BODY} at (8,16) size 769x522 |
| LayoutBlockFlow {P} at (0,0) size 769x18 |
| LayoutText {#text} at (0,0) size 354x18 |
| text run at (0,0) width 354: "Test overlay cast button rendering on dark background." |
| LayoutBlockFlow {DIV} at (0,34) size 769x244 |
| LayoutText {#text} at (0,0) size 0x0 |
| LayoutBlockFlow {DIV} at (0,278) size 769x244 |
| LayoutText {#text} at (0,0) size 0x0 |
| LayoutBlockFlow {DIV} at (0,522) size 769x0 |
| layer at (8,50) size 320x240 |
| LayoutVideo {VIDEO} at (0,0) size 320x240 |
| layer at (8,294) size 320x240 |
| LayoutVideo {VIDEO} at (0,0) size 320x240 |
| layer at (8,50) size 320x240 |
| LayoutFlexibleBox (relative positioned) {DIV} at (0,0) size 320x240 |
| LayoutBlockFlow {DIV} at (0,208) size 320x32 |
| layer at (8,50) size 320x198 |
| LayoutFlexibleBox (relative positioned) {DIV} at (0,0) size 320x198 |
| layer at (16,58) size 32x32 |
| LayoutButton (positioned) {INPUT} at (8,8) size 32x32 |
| layer at (8,294) size 320x240 |
| LayoutFlexibleBox (relative positioned) {DIV} at (0,0) size 320x240 |
| LayoutBlockFlow {DIV} at (0,208) size 320x32 |
| layer at (8,294) size 320x198 |
| LayoutFlexibleBox (relative positioned) {DIV} at (0,0) size 320x198 |
| layer at (16,302) size 32x32 |
| LayoutButton (positioned) {INPUT} at (8,8) size 32x32 |
| layer at (8,538) size 320x240 backgroundClip at (0,0) size 785x600 clip at (0,0) size 785x600 |
| LayoutVideo (positioned) {VIDEO} at (8,538) size 320x240 |
| layer at (8,538) size 320x240 backgroundClip at (0,0) size 785x600 clip at (0,0) size 785x600 |
| LayoutFlexibleBox (relative positioned) {DIV} at (0,0) size 320x240 |
| LayoutBlockFlow {DIV} at (0,208) size 320x32 |
| layer at (8,538) size 320x198 backgroundClip at (8,538) size 320x62 clip at (8,538) size 320x62 |
| LayoutFlexibleBox (relative positioned) {DIV} at (0,0) size 320x198 |
| layer at (16,546) size 32x32 |
| LayoutButton (positioned) {INPUT} at (8,8) size 32x32 |