Reviewed by Tim Hatcher.
        
        - refactor things so that WebKit doesn't save a WebResource for every loaded URL,
        but rather retrieves the data from the WebCore cache as needed.
        http://bugzilla.opendarwin.org/show_bug.cgi?id=8802

        * bridge/mac/WebCoreFrameBridge.h:
        * bridge/mac/WebCoreFrameBridge.mm:
        (-[WebCoreFrameBridge getData:andResponse:forURL:]):
        (-[WebCoreFrameBridge getAllResourceDatas:andResponses:]):
        * loader/Cache.cpp:
        (WebCore::Cache::updateCacheStatus):
        (WebCore::Cache::requestImage):
        (WebCore::Cache::requestStyleSheet):
        (WebCore::Cache::requestScript):
        (WebCore::Cache::requestXSLStyleSheet):
        (WebCore::Cache::requestXBLDocument):
        * loader/Cache.h:
        * loader/CachedResource.cpp: Added.
        * loader/CachedResource.h: Added.
        * loader/CachedResourceClient.h: Added.
        * loader/CachedResourceClientWalker.cpp: Added.
        * loader/CachedResourceClientWalker.h: Added.
        * loader/DocLoader.cpp:
        (WebCore::DocLoader::setAutoloadImages):
        (WebCore::DocLoader::removeCachedObject):
        * loader/DocLoader.h:
        (WebCore::DocLoader::cachedObject):
        (WebCore::DocLoader::allCachedObjects):

WebKit:

        Reviewed by Tim Hatcher.
        
        - refactor things so that WebKit doesn't save a WebResource for every loaded URL,
        but rather retrieves the data from the WebCore cache as needed.
        http://bugzilla.opendarwin.org/show_bug.cgi?id=8802

        * WebCoreSupport/WebFrameBridge.m:
        (-[WebFrameBridge objectLoadedFromCacheWithURL:response:data:]):
        (-[WebFrameBridge syncLoadResourceWithMethod:URL:customHeaders:postData:finalURL:responseHeaders:statusCode:]):
        * WebCoreSupport/WebSubresourceLoader.m:
        (-[WebSubresourceLoader didReceiveResponse:]):
        * WebView/WebDataSource.m:
        (-[WebDataSourcePrivate dealloc]):
        (-[WebDataSource _setupForReplaceByMIMEType:]):
        (-[WebDataSource _archivedSubresourceForURL:]):
        (-[WebDataSource initWithRequest:]):
        (-[WebDataSource subresources]):
        (-[WebDataSource subresourceForURL:]):
        (-[WebDataSource addSubresource:]):
        * WebView/WebDataSourcePrivate.h:
        * WebView/WebFrame.m:
        * WebView/WebFrameInternal.h:
        * WebView/WebHTMLView.m:
        * WebView/WebLoader.h:
        * WebView/WebLoader.m:
        (-[NSURLProtocol loadWithRequest:]):
        (-[NSURLProtocol didFinishLoading]):
        * WebView/WebUnarchivingState.h:
        * WebView/WebUnarchivingState.m:
        (-[WebUnarchivingState addResource:]):



git-svn-id: http://svn.webkit.org/repository/webkit/trunk@14251 268f45cc-cd09-0410-ab3c-d52691b4dbfc