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bdakin@apple.com authored
https://bugs.webkit.org/show_bug.cgi?id=127194 -and corresponding- <rdar://problem/15571327> Reviewed by Tim Horton. Source/WebCore: This patch adds a new function to InternalSettings that will allow layout tests to flip the setting Settings::setBackgroundShouldExtendBeyondPage(). This patch also makes changing that setting take effect immediately. To make this setting dynamic, we can no longer generate the Setting function, so we have to export the symbol manually. * WebCore.exp.in: This new function on FrameView will call into RenderLayerBacking to add or remove margins. * page/FrameView.cpp: (WebCore::FrameView::setBackgroundExtendsBeyondPage): * page/FrameView.h: Again, we’re no longer using the boiler-plate generated Setting functions, so now we can call into FrameView to make the background extend. * page/Settings.cpp: (WebCore::Settings::Settings): (WebCore::Settings::setBackgroundShouldExtendBeyondPage): * page/Settings.h: (WebCore::Settings::backgroundShouldExtendBeyondPage): * page/Settings.in: Whenever tile margins are set, call setNeedsRevalidateTiles() to make the change dynamic. * platform/graphics/ca/mac/TileController.mm: (WebCore::TileController::setTileMargins): Move the call to TiledBacking::setTileMargins() into a helper function so that the same code can be used for FrameView. * rendering/RenderLayerBacking.cpp: (WebCore::RenderLayerBacking::RenderLayerBacking): (WebCore::RenderLayerBacking::setTiledBackingHasMargins): * rendering/RenderLayerBacking.h: New InternalSetting. * testing/InternalSettings.cpp: (WebCore::InternalSettings::setBackgroundShouldExtendBeyondPage): * testing/InternalSettings.h: * testing/InternalSettings.idl: Source/WebKit: Attempt to keep Windows building. * WebKit.vcxproj/WebKitExportGenerator/WebKitExports.def.in: LayoutTests: * platform/mac-wk2/tiled-drawing/simple-document-with-margin-tiles-expected.txt: Added. * platform/mac-wk2/tiled-drawing/simple-document-with-margin-tiles.html: Added. git-svn-id: http://svn.webkit.org/repository/webkit/trunk@162230 268f45cc-cd09-0410-ab3c-d52691b4dbfc
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