Remove V8TestingScope::create

Source/core/animation/EffectInputTest.cpp

Index: Source/core/animation/EffectInputTest.cpp
diff --git a/Source/core/animation/EffectInputTest.cpp b/Source/core/animation/EffectInputTest.cpp
index c3f909eb1f4a7e40c0d24f28fa33a070a3b1f7c7..34dbb56162a7a0d5a04b3e7616b61af7e2a233f8 100644
--- a/Source/core/animation/EffectInputTest.cpp
+++ b/Source/core/animation/EffectInputTest.cpp
@@ -23,7 +23,7 @@ protected:
         : document(Document::create())
         , element(document->createElement("foo", ASSERT_NO_EXCEPTION))
         , m_isolate(v8::Isolate::GetCurrent())
-        , m_scope(V8TestingScope::create(m_isolate))
+        , m_scope(m_isolate)
     {
     }
 
@@ -33,7 +33,7 @@ protected:
     v8::Isolate* m_isolate;
 
 private:
-    OwnPtr<V8TestingScope> m_scope;
+    V8TestingScope m_scope;
 };
 
 TEST_F(AnimationEffectInputTest, SortedOffsets)