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

Issue 2196583002: Paint local background colors onto foreground layer. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Address review comments and fix test failures by removing SkipRootBackground when painting a new ro… Created 4 years, 4 months ago
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Index: third_party/WebKit/LayoutTests/compositing/overflow/overflow-scroll-with-opaque-background.html
diff --git a/third_party/WebKit/LayoutTests/compositing/overflow/overflow-scroll-with-opaque-background.html b/third_party/WebKit/LayoutTests/compositing/overflow/overflow-scroll-with-opaque-background.html
new file mode 100644
index 0000000000000000000000000000000000000000..c667dbf175af2b46ddf8e6f1302d2f1c2f90fa54
--- /dev/null
+++ b/third_party/WebKit/LayoutTests/compositing/overflow/overflow-scroll-with-opaque-background.html
@@ -0,0 +1,27 @@
+<script>
+if (window.testRunner)
+ window.testRunner.dumpAsText();
+onload = function() {
+ if (window.testRunner && window.internals)
+ document.getElementById('layertree').innerText = window.internals.layerTreeAsText(document);
chrishtr 2016/08/08 21:16:39 Please parse this into JSON and check the contents
flackr 2016/08/09 18:35:27 Done, thanks for the example.
+}
+</script>
+<style>
+#scroller {
+ background: white local content-box;
+ border: 10px solid rgba(0, 255, 0, 0.5);
+ overflow: scroll;
+ width: 200px;
+ height: 200px;
+ will-change: transform;
+}
+.spacer {
+ height: 300px;
+}
+</style>
+<!-- The scroller's Scrolling Contents Layer should be opaque due to the opaque
+ color background. This means that we will be able to draw text with subpixel
+ anti-aliasing.
+-->
+<div id="scroller"><div class="spacer"></div></div>
+<pre id="layertree"></pre>

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