Oilpan: fix build after r176183

Source/core/dom/MainThreadTaskRunnerTest.cpp

Index: Source/core/dom/MainThreadTaskRunnerTest.cpp
diff --git a/Source/core/dom/MainThreadTaskRunnerTest.cpp b/Source/core/dom/MainThreadTaskRunnerTest.cpp
index ee25ce82fecf6ccd1d14935c4563abc78f64e797..ed48c94cd41e9daafed213d13bc2859735dfb975 100644
--- a/Source/core/dom/MainThreadTaskRunnerTest.cpp
+++ b/Source/core/dom/MainThreadTaskRunnerTest.cpp
@@ -65,14 +65,13 @@ public:
         ExecutionContext::trace(visitor);
     }
 
+    virtual void reportBlockedScriptExecutionToInspector(const String& directiveText) OVERRIDE { }
+    virtual SecurityContext& securityContext() { return *this; }
+
 #if !ENABLE(OILPAN)
     using RefCounted<NullExecutionContext>::ref;
     using RefCounted<NullExecutionContext>::deref;
 
-    virtual void reportBlockedScriptExecutionToInspector(const String& directiveText) OVERRIDE { }
-
-    virtual SecurityContext& securityContext() { return *this; }
-
     virtual void refExecutionContext() OVERRIDE { ref(); }
     virtual void derefExecutionContext() OVERRIDE { deref(); }
 #endif