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Unified Diff: third_party/WebKit/LayoutTests/compositing/overflow/overflow-scroll-with-local-background-expected.html

Issue 2196583002: Paint local background colors onto foreground layer. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Incorporate test related cleanups and comments. Created 4 years, 4 months ago
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Index: third_party/WebKit/LayoutTests/compositing/overflow/overflow-scroll-with-local-background-expected.html
diff --git a/third_party/WebKit/LayoutTests/compositing/overflow/overflow-scroll-with-local-background-expected.html b/third_party/WebKit/LayoutTests/compositing/overflow/overflow-scroll-with-local-background-expected.html
new file mode 100644
index 0000000000000000000000000000000000000000..1e87c7bda454e2f878512fb078c57c3d0fc97f4f
--- /dev/null
+++ b/third_party/WebKit/LayoutTests/compositing/overflow/overflow-scroll-with-local-background-expected.html
@@ -0,0 +1,27 @@
+<script>
+onload = function() {
+ document.getElementById('scroller').scrollTo(0, 200);
+}
+</script>
+<style>
+#scroller {
+ background: gray local content-box;
+ border: 10px solid rgba(0, 255, 0, 0.5);
+ overflow: scroll;
+ padding: 10px;
+ width: 200px;
+ height: 200px;
+}
+
+.spacer {
+ height: 300px;
+}
+</style>
+<!-- #scroller has a locally attached background with padding so when it is
+ scrolled we can see the background slide up. Doing this on a composited
+ element without repainting requires the background to be painted into
+ the scrolling contents layer and correctly account for that layer not
+ including the border in its bounds. -->
+<div id="scroller">
+ <div class="spacer"></div>
+</div>

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