Regression:Drop down list appears weird in "www.espn.in"
Reported by
adha...@etouch.net,
Sep 12 2016
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Issue descriptionChrome Version: 55.0.2858.0 (Official Build)a5e34abf74c2b04f621117773148e0c979fffb7b-refs/heads/master@{#417859} 32/64-bit. OS: Windows (7,8,8.1,10),Linux (14.04 LTS),Mac OS X(10.10.5, 10.11.4). Test url:http://www.espn.in/ What steps will reproduce the problem? (1)Launch chrome and navigate to the above url. (2)Click on "TOP EVENTS" drop down at top L.H.S (Kindly refer the video) (3)Observe. Actual:Drop down list appears weird. Expected:Drop down list should be displayed properly. This is a Regression issue broken in M-55,below is the Narrow bisect info: https://chromium.googlesource.com/chromium/src/+log/b057620e2918d41effdb2878814706f437fc567f..77e72c03da749413cecee992ba27636fdd6bbfe1?pretty=fuller&n=100 Suspecting:r417858? Good build:55.0.2857.0 Bad build:55.0.2858.0 Kindly help to re-assign if your change is not the cause for this issue.
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Sep 12 2016
border-radius seems to be problematic with the background painting onto the scrolling contents layer, investigating.
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Sep 12 2016
I put up a CL to disable this code path for border radius https://codereview.chromium.org/2333743002 and filed issue 645949 to fix the composited scrolling contents layer painting in the presence of border radius.
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Sep 12 2016
The following revision refers to this bug: https://chromium.googlesource.com/chromium/src.git/+/a5e4a2686447be53c5fa482e10190ab568364efe commit a5e4a2686447be53c5fa482e10190ab568364efe Author: flackr <flackr@chromium.org> Date: Mon Sep 12 19:38:36 2016 Don't paint backgrounds with border radius on scrolling contents layer. BUG= 645941 , 645949 TEST=PaintLayerScrollableAreaTest.ShouldPaintBackgroundOntoScrollingContentsLayer CQ_INCLUDE_TRYBOTS=master.tryserver.chromium.linux:linux_layout_tests_slimming_paint_v2 Review-Url: https://codereview.chromium.org/2333743002 Cr-Commit-Position: refs/heads/master@{#418006} [modify] https://crrev.com/a5e4a2686447be53c5fa482e10190ab568364efe/third_party/WebKit/Source/core/layout/LayoutBoxModelObject.cpp [modify] https://crrev.com/a5e4a2686447be53c5fa482e10190ab568364efe/third_party/WebKit/Source/core/paint/PaintLayerScrollableAreaTest.cpp
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Sep 12 2016
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Sep 13 2016
Tested the above fix on Win7 64-Bit OS, Mac OS X 10.11.6 & Linux Ubuntu 14.04 for Chrome#55.0.2859.0 - Working as intended. Thank you! |
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Comment 1 by ranjitkan@chromium.org
, Sep 12 2016