third_party/WebKit/LayoutTests/compositing/overflow/overflow-scroll-with-opaque-background.html - Issue 2259493004: Fix Compositing of Opaque Scrolling Layers and Add Tests

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

Issue 2259493004: Fix Compositing of Opaque Scrolling Layers and Add Tests (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master

Patch Set: New tests. 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

index ac1de10ab5c0fa8c5306df080fcb1fd207d66297..53344cf7480a911371c6b4f95efa77d293d29966 100644

--- 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

@@ -1,6 +1,12 @@

+<!DOCTYPE html>

+<html>

+<head>

if (window.testRunner)

- window.testRunner.dumpAsText();

+ testRunner.dumpAsText();

+if (window.internals)

+ internals.runtimeFlags.compositeOpaqueScrollersEnabled = true;

function hasOpaqueCompositedScrollingContentsLayer(layer) {

if (layer.name == "Scrolling Contents Layer")

@@ -24,7 +30,7 @@ onload = function() {

result += "Pass.\n";

else

result += "Fail.\n";

- window.testRunner.setCustomTextOutput(result);

+ testRunner.setCustomTextOutput(result);

}

</script>

<style>

@@ -34,15 +40,17 @@ onload = function() {

overflow: scroll;

width: 200px;

height: 200px;

- will-change: transform;

}

.spacer {

height: 300px;

}

</style>

+</head>

+<body>

<!-- The scroller's Scrolling Contents Layer should be opaque due to the opaque

color background. Even though the background has a content-box clip there

is no gap because the scroller has no padding. This means that we will be

able to draw text with subpixel anti-aliasing.

-->

+</body></html>