https://bugs.webkit.org/show_bug.cgi?id=106261

Reviewed by Simon Fraser.

Source/WebKit/mac: 

Test: TestWebKitAPI/Tests/mac/WebViewDidRemoveFrameFromHierarchy.mm.

Added -[WebFrameLoadDelegate webView:didRemoveFrameFromHierarchy:].

* WebCoreSupport/WebFrameLoaderClient.mm:
(WebFrameLoaderClient::detachedFromParent2): Added a call to the new frame load delegate
method.
* WebView/WebDelegateImplementationCaching.h:
(WebFrameLoadDelegateImplementationCache): Added the new method to the cache.
* WebView/WebFrameLoadDelegatePrivate.h: Declared the new delegate method.
* WebView/WebView.mm:
(-[WebView _cacheFrameLoadDelegateImplementations]): Added the new method to the cache.

Tools: 

Added a test for -[WebFrameLoadDelegate webView:didRemoveFrameFromHierarchy:].

* TestWebKitAPI/TestWebKitAPI.xcodeproj/project.pbxproj:
* TestWebKitAPI/Tests/mac/WebViewDidRemoveFrameFromHierarchy.mm: Added.
(-[DidRemoveFrameFromHierarchyFrameLoadDelegate webView:didFinishLoadForFrame:]):
(-[DidRemoveFrameFromHierarchyFrameLoadDelegate webView:didRemoveFrameFromHierarchy:]):
(TestWebKitAPI):
(TestWebKitAPI::TEST):



git-svn-id: http://svn.webkit.org/repository/webkit/trunk@139000 268f45cc-cd09-0410-ab3c-d52691b4dbfc