[WK2] Use the page background color instead of white when swipe snapshots were purged (134218)
https://bugs.webkit.org/show_bug.cgi?id=134218
<rdar://problem/17426454>
Reviewed by Benjamin Poulain.
* UIProcess/API/Cocoa/WKWebView.mm:
(-[WKWebView _updateScrollViewBackground]):
(-[WKWebView WebKit::]):
* UIProcess/API/mac/WKView.mm:
(-[WKView _takeViewSnapshot]):
* UIProcess/ios/ViewGestureControllerIOS.mm:
(WebKit::ViewGestureController::beginSwipeGesture):
* UIProcess/mac/ViewGestureControllerMac.mm:
(WebKit::ViewGestureController::shouldUseSnapshotForSize):
(WebKit::ViewGestureController::beginSwipeGesture):
(WebKit::ViewGestureController::retrieveSnapshotForItem): Deleted.
* UIProcess/mac/ViewSnapshotStore.h:
Store a color along with each snapshot.
Set the background color of the swipe snapshot layer accordingly.
* WebCore.exp.in:
git-svn-id: http://svn.webkit.org/repository/webkit/trunk@170335 268f45cc-cd09-0410-ab3c-d52691b4dbfc
9 files changed
