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Tue Jan 27 15:54:36 PST 2015
Nonetheless, I was unable to find any bug referencing this, nor anything on Google, Stack Overflow, or the Apple Dev Forums. So I began looking for things that could explain the differences between WebKit and Blink after the err uh, trial separation.
The closest reference I could find was a Chromium bug: <a href="https://code.google.com/p/chromium/issues/detail?id=356734&can=1&q=google%20maps%20performance&colspec=ID%20Pri%20M%20Week%20ReleaseBlock%20Cr%20Status%20Owner%20Summary%20OS%20Modified">https://code.google.com/p/chromium/issues/detail?id=356734&can=1&q=google%20maps%20performance&colspec=ID%20Pri%20M%20Week%20ReleaseBlock%20Cr%20Status%20Owner%20Summary%20OS%20Modified</a>
Which describes a process called "layer squashing." Searching the WebKit bugs for layer squashing showed this bug marked as "won't fix": <a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED WONTFIX - Minor refactor of RenderLayerCompositor computeCompositingRequirements"
href="show_bug.cgi?id=109992">https://bugs.webkit.org/show_bug.cgi?id=109992</a> from the same authors of the layer squashing now part of Chrome / Blink.
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