Use the Document rather than the Frame's execution context to install JS-based marquee elements

Source/core/testing/PrivateScriptTest.h

Index: Source/core/testing/PrivateScriptTest.h
diff --git a/Source/core/testing/PrivateScriptTest.h b/Source/core/testing/PrivateScriptTest.h
index e7c40f904ff5e06ce617a012061580c4e2ed9e1c..cb0c6387dff7b3b342ba774ed54b7e2d0368a4f7 100644
--- a/Source/core/testing/PrivateScriptTest.h
+++ b/Source/core/testing/PrivateScriptTest.h
@@ -12,14 +12,14 @@
 
 namespace blink {
 
-class LocalFrame;
+class Document;
 
 class PrivateScriptTest : public GarbageCollectedFinalized<PrivateScriptTest>, public ScriptWrappable {
     DEFINE_WRAPPERTYPEINFO();
 public:
-    static PrivateScriptTest* create(LocalFrame* frame)
+    static PrivateScriptTest* create(Document* document)
     {
-        return new PrivateScriptTest(frame);
+        return new PrivateScriptTest(document);
     }
 
     int addIntegerImplementedInCPPForPrivateScriptOnly(int value1, int value2);
@@ -29,7 +29,7 @@ public:
     void trace(Visitor*) { }
 
 private:
-    explicit PrivateScriptTest(LocalFrame*);
+    explicit PrivateScriptTest(Document*);
 
     String m_stringAttributeImplementedInCPPForPrivateSriptOnly;
 };