Expose performance.memory in workers

Source/core/frame/Console.cpp

Index: Source/core/frame/Console.cpp
diff --git a/Source/core/frame/Console.cpp b/Source/core/frame/Console.cpp
index e7a0aba3f30a0644b82bab5b93f4d6a509c32d7e..d8726a4f30fe58974214fbfb5661aeaa5715361e 100644
--- a/Source/core/frame/Console.cpp
+++ b/Source/core/frame/Console.cpp
@@ -80,7 +80,7 @@ PassRefPtrWillBeRawPtr<MemoryInfo> Console::memory() const
 {
     // FIXME: Because we create a new object here each time,
     // console.memory !== console.memory, which seems wrong.
-    return MemoryInfo::create(m_frame);
+    return MemoryInfo::create();
 }
 
 } // namespace WebCore