Remove V8TestingScope::create

Source/core/animation/TimingInputTest.cpp

Index: Source/core/animation/TimingInputTest.cpp
diff --git a/Source/core/animation/TimingInputTest.cpp b/Source/core/animation/TimingInputTest.cpp
index b03d58d7c032f02583cd8795076c1f8f4fe5dbf4..f7373c6b5a4d3d22a2b5d0b4d2c026a605caf889 100644
--- a/Source/core/animation/TimingInputTest.cpp
+++ b/Source/core/animation/TimingInputTest.cpp
@@ -17,7 +17,7 @@ class AnimationTimingInputTest : public ::testing::Test {
 protected:
     AnimationTimingInputTest()
         : m_isolate(v8::Isolate::GetCurrent())
-        , m_scope(V8TestingScope::create(m_isolate))
+        , m_scope(m_isolate)
     {
     }
 
@@ -40,7 +40,7 @@ protected:
     v8::Isolate* m_isolate;
 
 private:
-    OwnPtr<V8TestingScope> m_scope;
+    V8TestingScope m_scope;
 };
 
 TEST_F(AnimationTimingInputTest, TimingInputStartDelay)