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jbroman authored
Revert of Make ScrollbarThemeAura selectively invalidate scrollbar parts. (patchset #10 id:180001 of https://codereview.chromium.org/1525803002/ ) Reason for revert: Oilpan unit test failure: http://build.chromium.org/p/chromium.webkit/builders/WebKit%20Mac%20Oilpan/builds/28217 Original issue's description: > Make ScrollbarThemeAura selectively invalidate scrollbar parts. > > In particular: > - when hovering or pressing the thumb, repaint only the thumb > - when thumb position changes, repaint the track only if it changes > (e.g. due to a button being disabled upon reaching the end) > > BUG=549277 > > Committed: https://crrev.com/0e8396ada46f085c23343450d850d81751053c94 > Cr-Commit-Position: refs/heads/master@{#367082} TBR=ccameron@chromium.org,skobes@chromium.org NOPRESUBMIT=true NOTREECHECKS=true NOTRY=true BUG=549277 Review URL: https://codereview.chromium.org/1550983002 Cr-Commit-Position: refs/heads/master@{#367096}
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