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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - [CoordinatedGraphics] setAcceleratedCompositingForFixedPositionEnabled didn't work properly in WTR."
href="https://bugs.webkit.org/show_bug.cgi?id=147627">147627</a>
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<th>Summary</th>
<td>[CoordinatedGraphics] setAcceleratedCompositingForFixedPositionEnabled didn't work properly in WTR.
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<th>Classification</th>
<td>Unclassified
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<th>Product</th>
<td>WebKit
</td>
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<th>Version</th>
<td>528+ (Nightly build)
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<th>Hardware</th>
<td>Unspecified
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<th>OS</th>
<td>Unspecified
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<th>Status</th>
<td>NEW
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<th>Severity</th>
<td>Normal
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<th>Priority</th>
<td>P2
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<th>Component</th>
<td>WebKit EFL
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<th>Assignee</th>
<td>webkit-unassigned@lists.webkit.org
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<th>Reporter</th>
<td>hs85.jeong@samsung.com
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<th>CC</th>
<td>demarchi@webkit.org
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<p>
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<pre>compositing/fixed-with-fixed-layout.html failed after r186911 because
# 49 line in LayoutTests/compositing/fixed-with-fixed-layout.html
if (window.internals) {
internals.settings.setAcceleratedCompositingForFixedPositionEnabled(true);
'internals.settings.setAcceleratedCompositingForFixedPositionEnabled(true)' didn't work properly in WTR.
CoordinatedGrapihcs set the 'AcceleratedCompositingForFixedPosition' in WebPage::setUseFixedLayout normally.
But only 'frameView->setUseFixedLayout()' was invoked in WTR if I use the 'internals.settings.setAcceleratedCompositingForFixedPositionEnabled' in test.
So we need to set the AcceleratedCompositingForFixedPositionEnabled in Internals::setUseFixedLayout() to work correctly.</pre>
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