https://bugs.webkit.org/show_bug.cgi?id=127202

Reviewed by Andreas Kling.

Source/WebCore:

* WebCore.exp.in:
* history/CachedFrame.cpp:
(WebCore::CachedFrameBase::~CachedFrameBase):
(WebCore::CachedFrame::CachedFrame):
(WebCore::CachedFrame::clear):
(WebCore::CachedFrame::setCachedFramePlatformData):
* history/CachedFrame.h:
* history/CachedPage.cpp:
(WebCore::CachedPage::CachedPage):
* history/CachedPage.h:
* history/HistoryItem.h:
(WebCore::HistoryItem::isInPageCache):
* history/PageCache.cpp:
(WebCore::PageCache::add):
(WebCore::PageCache::take):
(WebCore::PageCache::remove):
* history/PageCache.h:
* loader/FrameLoader.cpp:
(WebCore::FrameLoader::commitProvisionalLoad):
* loader/HistoryController.cpp:
(WebCore::HistoryController::invalidateCurrentItemCachedPage):

Source/WebKit/mac:

* WebCoreSupport/WebFrameLoaderClient.mm:
(WebFrameLoaderClient::savePlatformDataToCachedFrame):
(WebFrameLoaderClient::transitionToCommittedFromCachedFrame):

Source/WebKit/win:

* WebCoreSupport/WebFrameLoaderClient.cpp:
(WebFrameLoaderClient::savePlatformDataToCachedFrame):

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@162234 268f45cc-cd09-0410-ab3c-d52691b4dbfc