[iframe] Add backgrounds to some tests

kojiishi · chromium-wpt-export-bot · commit 3314e5134560 · 2026-02-09T15:47:02.000-08:00
This patch adds backgrounds to some tests so that they are easier to analyze. This patch has no behavior changes. Bug: 418397278 Change-Id: Icdf37c86139793db1a8b6b0b1c2a1e386cfe964f Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/7557191 Commit-Queue: Kent Tamura <tkent@chromium.org> Auto-Submit: Koji Ishii <kojii@chromium.org> Reviewed-by: Kent Tamura <tkent@chromium.org> Cr-Commit-Position: refs/heads/main@{#1582069}
diff --git a/css/css-sizing/responsive-iframe/resources/iframe-contents-400x200root.html b/css/css-sizing/responsive-iframe/resources/iframe-contents-400x200root.html
@@ -5,6 +5,10 @@
 :root {
   width: 400px;
   height: 200px;
+  background-color: lightBlue;
+  border: orange 10px solid;
+  box-sizing: border-box;
+}
 }
 </style>
 <meta name="responsive-embedded-sizing">
diff --git a/css/css-sizing/responsive-iframe/resources/iframe-contents-dom-content-loaded.html b/css/css-sizing/responsive-iframe/resources/iframe-contents-dom-content-loaded.html
@@ -2,6 +2,11 @@
 <head>
 <style>
 * { margin: 0 }
+#target {
+  background-color: lightBlue;
+  border: orange 10px solid;
+  box-sizing: border-box;
+}
 </style>
 <meta name="responsive-embedded-sizing">
 </head>
diff --git a/css/css-sizing/responsive-iframe/resources/iframe-contents-slow.html b/css/css-sizing/responsive-iframe/resources/iframe-contents-slow.html
@@ -2,6 +2,11 @@
 <head>
 <style>
 * { margin: 0 }
+#target {
+  background-color: lightBlue;
+  border: orange 10px solid;
+  box-sizing: border-box;
+}
 </style>
 <meta name="responsive-embedded-sizing">
 <script>
@@ -16,4 +21,4 @@
 }
 </script>
 </head>
-<div style="width: 100px; height: 400px"></div>
+<div id="target" style="width: 100px; height: 400px"></div>
