LayoutTests:

        Reviewed by Geoff.

        <rdar://problem/5244734>
        WebKit shouldn't send delegate resource load methods for the user stylesheet (doing so causes assertions in Safari)

        * fast/loader/resources/user-style-sheet.css: Added.
        * fast/loader/user-style-sheet-resource-load-callbacks.html: Added.

WebCore:

        Reviewed by Maciej and Geoff.

        <rdar://problem/5244734>
        WebKit shouldn't send delegate resource load methods for the user stylesheet (doing so causes assertions in Safari)
        
        Add a sendResourceLoadCallbacks argument to the ResourceLoader and only send resource load callbacks if it's true. Make it so that
        loading the user style sheet creates a resource loader with sendResourceLoadCallbacks set to false (done by adding a sendResourceLoadCallbacks 
        argument to a bunch of classes).
        
        * loader/Cache.cpp:
        (WebCore::createResource):
        (WebCore::Cache::requestResource):
        * loader/Cache.h:
        * loader/CachedCSSStyleSheet.cpp:
        (WebCore::CachedCSSStyleSheet::CachedCSSStyleSheet):
        * loader/CachedCSSStyleSheet.h:
        * loader/CachedResource.cpp:
        (WebCore::CachedResource::CachedResource):
        * loader/CachedResource.h:
        (WebCore::CachedResource::sendResourceLoadCallbacks):
        * loader/DocLoader.cpp:
        (WebCore::DocLoader::requestCSSStyleSheet):
        (WebCore::DocLoader::requestResource):
        (WebCore::DocLoader::checkCacheObjectStatus):
        * loader/DocLoader.h:
        * loader/MainResourceLoader.cpp:
        (WebCore::MainResourceLoader::MainResourceLoader):
        * loader/Request.cpp:
        (WebCore::Request::Request):
        * loader/Request.h:
        (WebCore::Request::sendResourceLoadCallbacks):
        * loader/ResourceLoader.cpp:
        (WebCore::ResourceLoader::ResourceLoader):
        (WebCore::ResourceLoader::willSendRequest):
        (WebCore::ResourceLoader::didReceiveResponse):
        (WebCore::ResourceLoader::didReceiveData):
        (WebCore::ResourceLoader::didFinishLoadingOnePart):
        (WebCore::ResourceLoader::didFail):
        (WebCore::ResourceLoader::didCancel):
        * loader/ResourceLoader.h:
        (WebCore::ResourceLoader::sendResourceLoadCallbacks):
        * loader/SubresourceLoader.cpp:
        (WebCore::SubresourceLoader::SubresourceLoader):
        (WebCore::SubresourceLoader::create):
        * loader/SubresourceLoader.h:
        * loader/loader.cpp:
        (WebCore::Loader::load):
        (WebCore::Loader::servePendingRequests):
        * loader/loader.h:
        * loader/mac/NetscapePlugInStreamLoaderMac.mm:
        (WebCore::NetscapePlugInStreamLoader::NetscapePlugInStreamLoader):



git-svn-id: http://svn.webkit.org/repository/webkit/trunk@23741 268f45cc-cd09-0410-ab3c-d52691b4dbfc
diff --git a/WebCore/loader/MainResourceLoader.cpp b/WebCore/loader/MainResourceLoader.cpp
index 19bb811..7ad8e5a 100644
--- a/WebCore/loader/MainResourceLoader.cpp
+++ b/WebCore/loader/MainResourceLoader.cpp
@@ -42,7 +42,7 @@
 namespace WebCore {
 
 MainResourceLoader::MainResourceLoader(Frame* frame)
-    : ResourceLoader(frame)
+    : ResourceLoader(frame, true)
     , m_dataLoadTimer(this, &MainResourceLoader::handleDataLoadNow)
     , m_loadingMultipartContent(false)
     , m_waitingForContentPolicy(false)