Revert of Revalidate using the same Resource, attempt #2

Source/core/fetch/ScriptResource.cpp

Index: Source/core/fetch/ScriptResource.cpp
diff --git a/Source/core/fetch/ScriptResource.cpp b/Source/core/fetch/ScriptResource.cpp
index 57b104779b30d05bfedf5e0d990d4634e875fd58..347de8c64735c7c9973b08253083e3c32f3f3d9b 100644
--- a/Source/core/fetch/ScriptResource.cpp
+++ b/Source/core/fetch/ScriptResource.cpp
@@ -95,11 +95,6 @@
     return m_script.string();
 }
 
-void ScriptResource::destroyDecodedDataForFailedRevalidation()
-{
-    m_script = AtomicString();
-}
-
 bool ScriptResource::mimeTypeAllowedByNosniff() const
 {
     return parseContentTypeOptionsHeader(m_response.httpHeaderField("X-Content-Type-Options")) != ContentTypeOptionsNosniff || MIMETypeRegistry::isSupportedJavaScriptMIMEType(mimeType());