Revert 138962

Source/WebCore/loader/MainResourceLoader.cpp

Index: Source/WebCore/loader/MainResourceLoader.cpp
===================================================================
--- Source/WebCore/loader/MainResourceLoader.cpp	(revision 141117)
+++ Source/WebCore/loader/MainResourceLoader.cpp	(working copy)
@@ -548,17 +548,11 @@
 void MainResourceLoader::notifyFinished(CachedResource* resource)
 {
     ASSERT_UNUSED(resource, m_resource == resource);
-    ASSERT(m_resource);
-    if (!m_resource->errorOccurred() && !m_resource->wasCanceled()) {
+    if (!m_resource || (!m_resource->errorOccurred() && !m_resource->wasCanceled())) {
         didFinishLoading(m_resource->loadFinishTime());
         return;
     }
 
-    if (m_documentLoader->request().cachePolicy() == ReturnCacheDataDontLoad && !m_resource->wasCanceled()) {
-        frameLoader()->retryAfterFailedCacheOnlyMainResourceLoad();
-        return;
-    }
-
     const ResourceError& error = m_resource->resourceError();
     if (documentLoader()->applicationCacheHost()->maybeLoadFallbackForMainError(request(), error))
         return;