Remove RefPtr<ScriptState> from PerformanceObserver

third_party/WebKit/Source/core/timing/PerformanceObserverTest.cpp

Index: third_party/WebKit/Source/core/timing/PerformanceObserverTest.cpp
diff --git a/third_party/WebKit/Source/core/timing/PerformanceObserverTest.cpp b/third_party/WebKit/Source/core/timing/PerformanceObserverTest.cpp
index bebd97c38c3b28b6e84b4c9796d9a8dceaea2f8e..16aa20c5f6cb75acb024fe0a77cf18ff60a8d447 100644
--- a/third_party/WebKit/Source/core/timing/PerformanceObserverTest.cpp
+++ b/third_party/WebKit/Source/core/timing/PerformanceObserverTest.cpp
@@ -29,7 +29,8 @@ class PerformanceObserverTest : public ::testing::Test {
         v8::Function::New(scriptState->context(), nullptr).ToLocalChecked();
     m_base = new MockPerformanceBase();
     m_cb = PerformanceObserverCallback::create(scriptState, callback);
-    m_observer = PerformanceObserver::create(scriptState, m_base, m_cb);
+    m_observer = PerformanceObserver::create(scriptState->getExecutionContext(),
+                                             m_base, m_cb);
   }
 
   bool isRegistered() { return m_observer->m_isRegistered; }