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timothy_horton@apple.com authored
https://bugs.webkit.org/show_bug.cgi?id=107539 <rdar://problem/13032692> Reviewed by Simon Fraser. * WebProcess/WebCoreSupport/mac/WebSystemInterface.mm: (InitWebCoreSystemInterface): Update WebCoreSystemInterface. * WebProcess/WebPage/WebPage.cpp: (WebKit::WebPage::WebPage): Initially move the Page out of the window if necessary; Page defaults to in-window, which is wrong in many cases - we depend on Page::isInWindow being accurate to decide whether WebPage::setIsInWindow is actually a state change or not. (WebKit::WebPage::setIsInWindow): * WebProcess/WebProcess.cpp: Inform WebProcess when we go on/off screen. (WebKit::WebProcess::WebProcess): (WebKit::WebProcess::pageDidMoveOnscreen): Keep track of the number of on-screen pages in this process. (WebKit::WebProcess::pageWillMoveOffscreen): If the number of on-screen pages drops to zero, clean up unused rendering resources. * WebProcess/WebProcess.h: Update WebSystemInterface. * WebCoreSupport/WebSystemInterface.mm: (InitWebCoreSystemInterface): * platform/mac/WebCoreSystemInterface.h: * platform/mac/WebCoreSystemInterface.mm: git-svn-id: http://svn.webkit.org/repository/webkit/trunk@146956 268f45cc-cd09-0410-ab3c-d52691b4dbfc
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