Revert of Revalidate using the same Resource, attempt #2

Source/bindings/core/v8/ScriptStreamer.cpp

Index: Source/bindings/core/v8/ScriptStreamer.cpp
diff --git a/Source/bindings/core/v8/ScriptStreamer.cpp b/Source/bindings/core/v8/ScriptStreamer.cpp
index af7b0df68c6e90b7589d2eb695f40d6056347624..3f388af2a9f9d94b182a21ff8a418739380e32f6 100644
--- a/Source/bindings/core/v8/ScriptStreamer.cpp
+++ b/Source/bindings/core/v8/ScriptStreamer.cpp
@@ -623,7 +623,7 @@
         Platform::current()->histogramEnumeration(notStreamingReasonHistogramName(scriptType), NotHTTP, NotStreamingReasonEnd);
         return false;
     }
-    if (resource->isCacheValidator()) {
+    if (resource->resourceToRevalidate()) {
         Platform::current()->histogramEnumeration(notStreamingReasonHistogramName(scriptType), Reload, NotStreamingReasonEnd);
         // This happens e.g., during reloads. We're actually not going to load
         // the current Resource of the PendingScript but switch to another