[webkit-changes] [215862] trunk/Source

2017-04-27 Thread carlosgc
Title: [215862] trunk/Source Revision 215862 Author carlo...@webkit.org Date 2017-04-27 05:28:46 -0700 (Thu, 27 Apr 2017) Log Message [GTK] Remote inspector should support inspecting targets with previous version of backend commands https://bugs.webkit.org/show_bug.cgi?id=171267

[webkit-changes] [215863] trunk/LayoutTests

2017-04-27 Thread commit-queue
Title: [215863] trunk/LayoutTests Revision 215863 Author commit-qu...@webkit.org Date 2017-04-27 08:01:34 -0700 (Thu, 27 Apr 2017) Log Message Fix some tests from platform-tests/cssom-view/cssom-view/ https://bugs.webkit.org/show_bug.cgi?id=171228 Patch by Frederic Wang

[webkit-changes] [215864] tags/Safari-604.1.19/

2017-04-27 Thread jmarcell
Title: [215864] tags/Safari-604.1.19/ Revision 215864 Author jmarc...@apple.com Date 2017-04-27 08:11:17 -0700 (Thu, 27 Apr 2017) Log Message Tag Safari-604.1.19. Added Paths tags/Safari-604.1.19/ Diff ___ webkit-changes mailing list

[webkit-changes] [215865] trunk/Source

2017-04-27 Thread jmarcell
Title: [215865] trunk/Source Revision 215865 Author jmarc...@apple.com Date 2017-04-27 08:28:53 -0700 (Thu, 27 Apr 2017) Log Message Versioning. Modified Paths trunk/Source/_javascript_Core/Configurations/Version.xcconfig

[webkit-changes] [215866] trunk/Source/WebKit/mac

2017-04-27 Thread wenson_hsieh
Title: [215866] trunk/Source/WebKit/mac Revision 215866 Author wenson_hs...@apple.com Date 2017-04-27 08:31:33 -0700 (Thu, 27 Apr 2017) Log Message [WK1] Tweak the data interaction SPI to indicate whether or not a data interaction was handled

[webkit-changes] [215867] trunk/Source/WebInspectorUI

2017-04-27 Thread commit-queue
Title: [215867] trunk/Source/WebInspectorUI Revision 215867 Author commit-qu...@webkit.org Date 2017-04-27 08:39:34 -0700 (Thu, 27 Apr 2017) Log Message [GTK] Web Inspector: some SVG images are specified 'currentColor' incorrectly https://bugs.webkit.org/show_bug.cgi?id=170977 Patch by

[webkit-changes] [215868] trunk/Source/WebInspectorUI

2017-04-27 Thread commit-queue
Title: [215868] trunk/Source/WebInspectorUI Revision 215868 Author commit-qu...@webkit.org Date 2017-04-27 08:52:12 -0700 (Thu, 27 Apr 2017) Log Message [GTK] Web Inspector: gtk/NavigationItemCurleyBraces.svg is licensed under NonCommercial CC

[webkit-changes] [215869] trunk/Source/WebInspectorUI

2017-04-27 Thread commit-queue
Title: [215869] trunk/Source/WebInspectorUI Revision 215869 Author commit-qu...@webkit.org Date 2017-04-27 08:53:35 -0700 (Thu, 27 Apr 2017) Log Message [GTK] Web Inspector: Add new GTK+ icons for instrument icons https://bugs.webkit.org/show_bug.cgi?id=153892 Patch by Fujii Hironori

[webkit-changes] [215870] trunk/Source/WebCore

2017-04-27 Thread aestes
Title: [215870] trunk/Source/WebCore Revision 215870 Author aes...@apple.com Date 2017-04-27 08:56:47 -0700 (Thu, 27 Apr 2017) Log Message Fix the macOS build. * platform/mac/WebPlaybackControlsManager.h: Modified Paths trunk/Source/WebCore/ChangeLog

[webkit-changes] [215871] trunk/LayoutTests

2017-04-27 Thread ryanhaddad
Title: [215871] trunk/LayoutTests Revision 215871 Author ryanhad...@apple.com Date 2017-04-27 09:03:52 -0700 (Thu, 27 Apr 2017) Log Message Mark http/tests/local/blob/send-hybrid-blob-using-open-panel.html as flaky. https://bugs.webkit.org/show_bug.cgi?id=171353 Unreviewed test

[webkit-changes] [215861] trunk

2017-04-27 Thread zalan
Title: [215861] trunk Revision 215861 Author za...@apple.com Date 2017-04-27 04:02:09 -0700 (Thu, 27 Apr 2017) Log Message Text gets cut off when bailing out of simple line layout with widows. https://bugs.webkit.org/show_bug.cgi?id=171370 Reviewed by Antti Koivisto. Source/WebCore:

[webkit-changes] [215858] trunk/Source/WebCore

2017-04-27 Thread mitz
Title: [215858] trunk/Source/WebCore Revision 215858 Author m...@apple.com Date 2017-04-26 23:21:22 -0700 (Wed, 26 Apr 2017) Log Message Reverted r215774. It was not doing what it was intended to do and was inappropriate for WebCore. * WebCore.xcodeproj/project.pbxproj: Modified Paths

[webkit-changes] [215859] trunk/Source/WebCore

2017-04-27 Thread graouts
Title: [215859] trunk/Source/WebCore Revision 215859 Author grao...@webkit.org Date 2017-04-27 01:06:25 -0700 (Thu, 27 Apr 2017) Log Message Use the correct modern-media-controls https://bugs.webkit.org/show_bug.cgi?id=171358 Reviewed by Antoine Quint. *

[webkit-changes] [215872] trunk/Source

2017-04-27 Thread achristensen
Title: [215872] trunk/Source Revision 215872 Author achristen...@apple.com Date 2017-04-27 09:42:13 -0700 (Thu, 27 Apr 2017) Log Message Modernize Frame.h https://bugs.webkit.org/show_bug.cgi?id=171357 Reviewed by Andy Estes. Source/WebCore: Frame.h has several std::unique_ptrs that

[webkit-changes] [215874] trunk

2017-04-27 Thread antti
Title: [215874] trunk Revision 215874 Author an...@apple.com Date 2017-04-27 09:51:11 -0700 (Thu, 27 Apr 2017) Log Message Repeated layouts in Mail due to viewport units being used with auto-sizing https://bugs.webkit.org/show_bug.cgi?id=171371 Reviewed by Zalan Bujtas.

[webkit-changes] [215875] trunk/LayoutTests

2017-04-27 Thread mmaxfield
Title: [215875] trunk/LayoutTests Revision 215875 Author mmaxfi...@apple.com Date 2017-04-27 09:55:12 -0700 (Thu, 27 Apr 2017) Log Message Make fast/text/complex-small-caps-non-bmp-capitalize.html more robust https://bugs.webkit.org/show_bug.cgi?id=171366 Reviewed by Alex Christensen.

[webkit-changes] [215876] tags/Safari-604.1.19/Source/WebCore

2017-04-27 Thread matthew_hanson
Title: [215876] tags/Safari-604.1.19/Source/WebCore Revision 215876 Author matthew_han...@apple.com Date 2017-04-27 10:02:13 -0700 (Thu, 27 Apr 2017) Log Message Cherry-pick r215870. rdar://problem/31845349 Modified Paths tags/Safari-604.1.19/Source/WebCore/ChangeLog

[webkit-changes] [215878] trunk

2017-04-27 Thread zalan
Title: [215878] trunk Revision 215878 Author za...@apple.com Date 2017-04-27 10:11:38 -0700 (Thu, 27 Apr 2017) Log Message Use text-shadow to visualize simple line layout coverage. https://bugs.webkit.org/show_bug.cgi?id=171379 Reviewed by Antti Koivisto. Source/WebCore: It's more

[webkit-changes] [215879] trunk/LayoutTests

2017-04-27 Thread ryanhaddad
Title: [215879] trunk/LayoutTests Revision 215879 Author ryanhad...@apple.com Date 2017-04-27 10:32:20 -0700 (Thu, 27 Apr 2017) Log Message Mark webgl/1.0.2/conformance/glsl/misc/shader-with-reserved-words.html as flaky. https://bugs.webkit.org/show_bug.cgi?id=170877 Unreviewed test

[webkit-changes] [215880] trunk/LayoutTests

2017-04-27 Thread ryanhaddad
Title: [215880] trunk/LayoutTests Revision 215880 Author ryanhad...@apple.com Date 2017-04-27 10:39:35 -0700 (Thu, 27 Apr 2017) Log Message Mark media/modern-media-controls/buttons-container/buttons-container-buttons-property.html as flaky. https://bugs.webkit.org/show_bug.cgi?id=167371

[webkit-changes] [215885] trunk/Source/JavaScriptCore

2017-04-27 Thread mark . lam
Title: [215885] trunk/Source/_javascript_Core Revision 215885 Author mark@apple.com Date 2017-04-27 12:24:07 -0700 (Thu, 27 Apr 2017) Log Message Audit and fix incorrect uses of JSArray::tryCreateForInitializationPrivate(). https://bugs.webkit.org/show_bug.cgi?id=171344 Reviewed by

[webkit-changes] [215881] trunk/Source/WebInspectorUI

2017-04-27 Thread bburg
Title: [215881] trunk/Source/WebInspectorUI Revision 215881 Author bb...@apple.com Date 2017-04-27 10:59:28 -0700 (Thu, 27 Apr 2017) Log Message Web Inspector: fix tooltip wording for Reload button https://bugs.webkit.org/show_bug.cgi?id=171073 Reviewed by Joseph Pecoraro. *

[webkit-changes] [215883] trunk/Source

2017-04-27 Thread beidson
Title: [215883] trunk/Source Revision 215883 Author beid...@apple.com Date 2017-04-27 11:40:05 -0700 (Thu, 27 Apr 2017) Log Message Update NetworkStorageSession to support multiple persistent sessions and explicitly set cookie storages. https://bugs.webkit.org/show_bug.cgi?id=171365

[webkit-changes] [215889] trunk/LayoutTests

2017-04-27 Thread ryanhaddad
Title: [215889] trunk/LayoutTests Revision 215889 Author ryanhad...@apple.com Date 2017-04-27 13:20:19 -0700 (Thu, 27 Apr 2017) Log Message Mark http/tests/security/contentSecurityPolicy/source-list-parsing-05.html as flaky. https://bugs.webkit.org/show_bug.cgi?id=171389 Unreviewed test

[webkit-changes] [215882] trunk/LayoutTests

2017-04-27 Thread antti
Title: [215882] trunk/LayoutTests Revision 215882 Author an...@apple.com Date 2017-04-27 11:11:03 -0700 (Thu, 27 Apr 2017) Log Message Skip css3/viewport-percentage-lengths/vh-auto-size.html on WK1. Looks like use of auto-sizing leaves state behind in DRT. *

[webkit-changes] [215887] trunk/LayoutTests

2017-04-27 Thread ryanhaddad
Title: [215887] trunk/LayoutTests Revision 215887 Author ryanhad...@apple.com Date 2017-04-27 13:14:11 -0700 (Thu, 27 Apr 2017) Log Message Mark http/tests/xmlhttprequest/workers/methods.html as flaky. https://bugs.webkit.org/show_bug.cgi?id=170181 Unreviewed test gardening. *

[webkit-changes] [215888] trunk/Tools

2017-04-27 Thread ryanhaddad
Title: [215888] trunk/Tools Revision 215888 Author ryanhad...@apple.com Date 2017-04-27 13:14:14 -0700 (Thu, 27 Apr 2017) Log Message Disable flaky API test WKWebView.SetOverrideContentSecurityPolicyWithEmptyStringForPageWithCSP. https://bugs.webkit.org/show_bug.cgi?id=167914 Unreviewed

[webkit-changes] [215892] trunk

2017-04-27 Thread cdumez
Title: [215892] trunk Revision 215892 Author cdu...@apple.com Date 2017-04-27 14:00:50 -0700 (Thu, 27 Apr 2017) Log Message Element.getBoundingClientRect() / getClientRects() should return a DOMRect types https://bugs.webkit.org/show_bug.cgi?id=171226 Reviewed by Simon Fraser.

[webkit-changes] [215893] trunk/Source/WebCore

2017-04-27 Thread wenson_hsieh
Title: [215893] trunk/Source/WebCore Revision 215893 Author wenson_hs...@apple.com Date 2017-04-27 14:17:59 -0700 (Thu, 27 Apr 2017) Log Message Performing data interaction with plain text into a contenteditable does not insert any content https://bugs.webkit.org/show_bug.cgi?id=171381

[webkit-changes] [215901] trunk/Source/WebCore

2017-04-27 Thread commit-queue
Title: [215901] trunk/Source/WebCore Revision 215901 Author commit-qu...@webkit.org Date 2017-04-27 15:58:44 -0700 (Thu, 27 Apr 2017) Log Message LayoutTest webrtc/datachannel/datachannel-event.html is a flaky crash https://bugs.webkit.org/show_bug.cgi?id=171092 Patch by Youenn Fablet

[webkit-changes] [215890] trunk/LayoutTests

2017-04-27 Thread ryanhaddad
Title: [215890] trunk/LayoutTests Revision 215890 Author ryanhad...@apple.com Date 2017-04-27 13:47:01 -0700 (Thu, 27 Apr 2017) Log Message Mark media/modern-media-controls/fullscreen-button/fullscreen-button.html as flaky. https://bugs.webkit.org/show_bug.cgi?id=171391 Unreviewed test

[webkit-changes] [215900] trunk/Source

2017-04-27 Thread commit-queue
Title: [215900] trunk/Source Revision 215900 Author commit-qu...@webkit.org Date 2017-04-27 15:57:32 -0700 (Thu, 27 Apr 2017) Log Message REGRESSION(r213764): Async decoding of animated images is disabled for ImageDocument https://bugs.webkit.org/show_bug.cgi?id=170333 Patch by Said

[webkit-changes] [215899] trunk/Source/WebKit2

2017-04-27 Thread bfulgham
Title: [215899] trunk/Source/WebKit2 Revision 215899 Author bfulg...@apple.com Date 2017-04-27 15:45:53 -0700 (Thu, 27 Apr 2017) Log Message [WK2][macOS] Allow multi-touch related iokit-get-properties https://bugs.webkit.org/show_bug.cgi?id=171355 Reviewed by Alexey Proskuryakov.

[webkit-changes] [215895] trunk/LayoutTests

2017-04-27 Thread ryanhaddad
Title: [215895] trunk/LayoutTests Revision 215895 Author ryanhad...@apple.com Date 2017-04-27 14:52:32 -0700 (Thu, 27 Apr 2017) Log Message Add missing expected file for fast/inline/simple-line-layout-16bit-content.html. https://bugs.webkit.org/show_bug.cgi?id=171379 Unreviewed test

[webkit-changes] [215897] trunk

2017-04-27 Thread achristensen
Title: [215897] trunk Revision 215897 Author achristen...@apple.com Date 2017-04-27 15:37:29 -0700 (Thu, 27 Apr 2017) Log Message Add stub SPI for setting cookie storage path on _WKWebsiteDataStoreConfiguration https://bugs.webkit.org/show_bug.cgi?id=171399 Reviewed by Brady Eidson.

[webkit-changes] [215896] trunk/Source/JavaScriptCore

2017-04-27 Thread keith_miller
Title: [215896] trunk/Source/_javascript_Core Revision 215896 Author keith_mil...@apple.com Date 2017-04-27 15:37:14 -0700 (Thu, 27 Apr 2017) Log Message REGRESSION (r215843): ASSERTION FAILED: !m_completionTasks[0].first in JSC::Wasm::Plan::tryRemoveVMAndCancelIfLast(JSC::VM &)

[webkit-changes] [215898] trunk/Source/JavaScriptCore

2017-04-27 Thread keith_miller
Title: [215898] trunk/Source/_javascript_Core Revision 215898 Author keith_mil...@apple.com Date 2017-04-27 15:39:17 -0700 (Thu, 27 Apr 2017) Log Message WebAssembly: Don't tier up the same function twice https://bugs.webkit.org/show_bug.cgi?id=171397 Reviewed by Filip Pizlo. Because

[webkit-changes] [215902] trunk/Source/WebInspectorUI

2017-04-27 Thread bburg
Title: [215902] trunk/Source/WebInspectorUI Revision 215902 Author bb...@apple.com Date 2017-04-27 16:09:16 -0700 (Thu, 27 Apr 2017) Log Message Web Inspector: RTL: layout issues in Open Resource Dialog https://bugs.webkit.org/show_bug.cgi?id=170551 Reviewed by Matt Baker. We need to

[webkit-changes] [215904] trunk/Source/WebCore

2017-04-27 Thread dbates
Title: [215904] trunk/Source/WebCore Revision 215904 Author dba...@webkit.org Date 2017-04-27 16:24:58 -0700 (Thu, 27 Apr 2017) Log Message Rename callerDOMWindow()/CallerDocument to incumbentDOMWindow()/IncumbentDocument https://bugs.webkit.org/show_bug.cgi?id=171145 Reviewed by Saam

[webkit-changes] [215909] trunk/Source/bmalloc

2017-04-27 Thread msaboff
Title: [215909] trunk/Source/bmalloc Revision 215909 Author msab...@apple.com Date 2017-04-27 17:37:51 -0700 (Thu, 27 Apr 2017) Log Message bmalloc scavenger should know what page classes are allocating https://bugs.webkit.org/show_bug.cgi?id=171384 Reviewed by Geoffrey Garen. This

[webkit-changes] [215915] trunk/Source/WebInspectorUI

2017-04-27 Thread nvasilyev
Title: [215915] trunk/Source/WebInspectorUI Revision 215915 Author nvasil...@apple.com Date 2017-04-27 19:07:40 -0700 (Thu, 27 Apr 2017) Log Message Web Inspector: Remove unused ToggleControlToolbarItem.js https://bugs.webkit.org/show_bug.cgi?id=171401 Reviewed by Joseph Pecoraro. *

[webkit-changes] [215891] trunk/Source/JavaScriptCore

2017-04-27 Thread sbarati
Title: [215891] trunk/Source/_javascript_Core Revision 215891 Author sbar...@apple.com Date 2017-04-27 13:58:04 -0700 (Thu, 27 Apr 2017) Log Message Restore some caching functionality that got accidentally removed when doing Wasm PIC patches https://bugs.webkit.org/show_bug.cgi?id=171382

[webkit-changes] [215894] trunk

2017-04-27 Thread ddkilzer
Title: [215894] trunk Revision 215894 Author ddkil...@apple.com Date 2017-04-27 14:29:23 -0700 (Thu, 27 Apr 2017) Log Message Enhance shouldBe()/shouldNotBe() to accept anonymous function arguments Reviewed by Joseph Pecoraro. JSTests: * stress/resources/standalone-pre.js:

[webkit-changes] [215905] trunk/Source/WebCore

2017-04-27 Thread said
Title: [215905] trunk/Source/WebCore Revision 215905 Author s...@apple.com Date 2017-04-27 16:36:45 -0700 (Thu, 27 Apr 2017) Log Message Attempt to fix a PLT regression on Mac Unreviewed. Disable passing the TypeIdentifierHint to CGImageSourceCreateIncremental() on Mac for now. *

[webkit-changes] [215908] trunk/Source/JavaScriptCore

2017-04-27 Thread sbarati
Title: [215908] trunk/Source/_javascript_Core Revision 215908 Author sbar...@apple.com Date 2017-04-27 16:52:41 -0700 (Thu, 27 Apr 2017) Log Message B3::FoldPathConstants does not consider the fall through case for Switch https://bugs.webkit.org/show_bug.cgi?id=171390 Reviewed by Filip

[webkit-changes] [215910] trunk/Source

2017-04-27 Thread wenson_hsieh
Title: [215910] trunk/Source Revision 215910 Author wenson_hs...@apple.com Date 2017-04-27 17:54:38 -0700 (Thu, 27 Apr 2017) Log Message WKUIDelegatePrivate needs a hook to vend data used to initialize item providers for data interaction https://bugs.webkit.org/show_bug.cgi?id=171386

[webkit-changes] [215907] trunk/Source

2017-04-27 Thread beidson
Title: [215907] trunk/Source Revision 215907 Author beid...@apple.com Date 2017-04-27 16:48:51 -0700 (Thu, 27 Apr 2017) Log Message Refactor SessionID to support multiple non-ephemeral (persistent) sessions. https://bugs.webkit.org/show_bug.cgi?id=171367 Reviewed by Andy Estes.

[webkit-changes] [215914] trunk

2017-04-27 Thread cdumez
Title: [215914] trunk Revision 215914 Author cdu...@apple.com Date 2017-04-27 18:53:56 -0700 (Thu, 27 Apr 2017) Log Message Align colspan/rowspan limits with the latest HTML specification https://bugs.webkit.org/show_bug.cgi?id=171322 Reviewed by Darin Adler. LayoutTests/imported/w3c:

[webkit-changes] [215903] trunk/Source/WebInspectorUI

2017-04-27 Thread bburg
Title: [215903] trunk/Source/WebInspectorUI Revision 215903 Author bb...@apple.com Date 2017-04-27 16:12:22 -0700 (Thu, 27 Apr 2017) Log Message Web Inspector: RTL: fix alignment of "truncated call stack" message https://bugs.webkit.org/show_bug.cgi?id=170477 Reviewed by Devin Rousso.

[webkit-changes] [215906] trunk/Source/WebInspectorUI

2017-04-27 Thread bburg
Title: [215906] trunk/Source/WebInspectorUI Revision 215906 Author bb...@apple.com Date 2017-04-27 16:44:56 -0700 (Thu, 27 Apr 2017) Log Message Web Inspector: RTL: inherit system layout direction by default https://bugs.webkit.org/show_bug.cgi?id=171402 Reviewed by Joseph Pecoraro.

[webkit-changes] [215911] trunk/PerformanceTests

2017-04-27 Thread msaboff
Title: [215911] trunk/PerformanceTests Revision 215911 Author msab...@apple.com Date 2017-04-27 17:57:26 -0700 (Thu, 27 Apr 2017) Log Message Add back tests inadvertently deleted in r205032. Rubber stamped by Geoffrey Garen. * MallocBench/run-malloc-benchmarks: Modified Paths

[webkit-changes] [215912] trunk/LayoutTests

2017-04-27 Thread commit-queue
Title: [215912] trunk/LayoutTests Revision 215912 Author commit-qu...@webkit.org Date 2017-04-27 18:23:45 -0700 (Thu, 27 Apr 2017) Log Message Mark imported/blink/paint/deprecatedpaintlayer/non-self-painting-layer-overrides-visibility.html as a flaky crash.

[webkit-changes] [215913] trunk/LayoutTests

2017-04-27 Thread ryanhaddad
Title: [215913] trunk/LayoutTests Revision 215913 Author ryanhad...@apple.com Date 2017-04-27 18:32:30 -0700 (Thu, 27 Apr 2017) Log Message Mark fast/mediacapturefromelement/CanvasCaptureMediaStream-2d-events.html as a flaky failure. https://bugs.webkit.org/show_bug.cgi?id=170835

[webkit-changes] [215918] trunk/Source/WebCore

2017-04-27 Thread achristensen
Title: [215918] trunk/Source/WebCore Revision 215918 Author achristen...@apple.com Date 2017-04-27 21:05:56 -0700 (Thu, 27 Apr 2017) Log Message Make navigation policy checking more robust https://bugs.webkit.org/show_bug.cgi?id=171409 Reviewed by Geoffrey Garen. No change in

[webkit-changes] [215919] trunk

2017-04-27 Thread mark . lam
Title: [215919] trunk Revision 215919 Author mark@apple.com Date 2017-04-27 21:15:00 -0700 (Thu, 27 Apr 2017) Log Message Fix some RELEASE_ASSERT failures caused by OutOfMemoryErrors. https://bugs.webkit.org/show_bug.cgi?id=171404 Reviewed by Saam Barati. JSTests: *

[webkit-changes] [215920] trunk/Source/WebInspectorUI

2017-04-27 Thread commit-queue
Title: [215920] trunk/Source/WebInspectorUI Revision 215920 Author commit-qu...@webkit.org Date 2017-04-27 22:20:35 -0700 (Thu, 27 Apr 2017) Log Message [GTK] Web Inspector: Add new GTK+ icons for different Script Timeline Views (Events and Call Trees)

[webkit-changes] [215884] trunk/LayoutTests

2017-04-27 Thread mmaxfield
Title: [215884] trunk/LayoutTests Revision 215884 Author mmaxfi...@apple.com Date 2017-04-27 12:08:22 -0700 (Thu, 27 Apr 2017) Log Message REGRESSION(r214572): Update fast/text/variations/advances.html to understand normalized variation widths

[webkit-changes] [215917] trunk/Source/WebCore

2017-04-27 Thread wenson_hsieh
Title: [215917] trunk/Source/WebCore Revision 215917 Author wenson_hs...@apple.com Date 2017-04-27 21:01:43 -0700 (Thu, 27 Apr 2017) Log Message Data interaction should not load pasteboard content before performing the data operation https://bugs.webkit.org/show_bug.cgi?id=171414