- move things around so that WebDataSource and WebDocumentLoadState know about each other in
        the right way. This lines things up to move nearly all functionality down to WebDocumentLoadState.

        * Loader/WebDocumentLoadState.h:
        * Loader/WebDocumentLoadState.m:
        (-[WebDocumentLoadState initWithRequest:]):
        (-[WebDocumentLoadState dealloc]):
        (-[WebDocumentLoadState originalRequest]):
        * Loader/WebFrameLoader.h:
        * Loader/WebFrameLoader.m:
        (-[WebFrameLoader dealloc]):
        (-[WebFrameLoader addSubresourceLoader:]):
        (-[WebFrameLoader startLoadingMainResourceWithRequest:identifier:]):
        (-[WebFrameLoader dataSource]):
        (-[WebFrameLoader _setDocumentLoadState:]):
        (-[WebFrameLoader policyDataSource]):
        (-[WebFrameLoader _setPolicyDocumentLoadState:]):
        (-[WebFrameLoader clearDataSource]):
        (-[WebFrameLoader provisionalDataSource]):
        (-[WebFrameLoader _setProvisionalDocumentLoadState:]):
        (-[WebFrameLoader _clearProvisionalDataSource]):
        (-[WebFrameLoader _setState:]):
        (-[WebFrameLoader clearProvisionalLoad]):
        (-[WebFrameLoader commitProvisionalLoad]):
        (-[WebFrameLoader stopLoading]):
        (-[WebFrameLoader startLoading]):
        (-[WebFrameLoader startProvisionalLoad:]):
        (-[WebFrameLoader setupForReplace]):
        (-[WebFrameLoader activeDocumentLoadState]):
        (-[WebFrameLoader activeDataSource]):
        (-[WebFrameLoader _loadRequest:archive:]):
        (-[WebFrameLoader _loadRequest:triggeringAction:loadType:formState:]):
        (-[WebFrameLoader _reloadAllowingStaleDataWithOverrideEncoding:]):
        (-[WebFrameLoader reload]):
        * WebKit.xcodeproj/project.pbxproj:
        * WebView/WebDataSource.m:
        (-[WebDataSourcePrivate dealloc]):
        (-[WebDataSource _startLoading]):
        (-[WebDataSource _setWebFrame:]):
        (-[WebDataSource _documentLoadState]):
        (-[WebDataSource _initWithDocumentLoadState:]):
        (-[WebDataSource initWithRequest:]):
        (-[WebDataSource initialRequest]):
        (-[WebDataSource unreachableURL]):
        * WebView/WebDataSourceInternal.h:
        * WebView/WebFrame.m:
        (-[WebFramePrivate dealloc]):
        (-[WebFrame _continueLoadRequestAfterNavigationPolicy:formState:]):
        (-[WebFrame _loadDataSource:withLoadType:formState:]):
        (-[WebFrame _policyDataSource]):
        (-[WebFrame _shouldReloadToHandleUnreachableURLFromRequest:]):
        (-[WebFrame _dataSourceForDocumentLoadState:]):
        (-[WebFrame _createDocumentLoadStateWithRequest:]):
        * WebView/WebFrameInternal.h:



git-svn-id: http://svn.webkit.org/repository/webkit/trunk@16707 268f45cc-cd09-0410-ab3c-d52691b4dbfc