Expose performance.memory in workers

Source/core/timing/MemoryInfo.h

Index: Source/core/timing/MemoryInfo.h
diff --git a/Source/core/timing/MemoryInfo.h b/Source/core/timing/MemoryInfo.h
index 6009f5fb57e636f7419c3c86e983c793df0d1c5a..a67a808dcb1c6dc2a6c3083bbfb89a160cfa425f 100644
--- a/Source/core/timing/MemoryInfo.h
+++ b/Source/core/timing/MemoryInfo.h
@@ -39,13 +39,11 @@
 
 namespace WebCore {
 
-class LocalFrame;
-
 class MemoryInfo : public RefCountedWillBeGarbageCollectedFinalized<MemoryInfo>, public ScriptWrappable {
 public:
-    static PassRefPtrWillBeRawPtr<MemoryInfo> create(LocalFrame* frame)
+    static PassRefPtrWillBeRawPtr<MemoryInfo> create()
     {
-        return adoptRefWillBeNoop(new MemoryInfo(frame));
+        return adoptRefWillBeNoop(new MemoryInfo());
     }
 
     size_t totalJSHeapSize() const { return m_info.totalJSHeapSize; }
@@ -55,7 +53,7 @@ public:
     void trace(Visitor*) { }
 
 private:
-    explicit MemoryInfo(LocalFrame*);
+    MemoryInfo();
 
     HeapInfo m_info;
 };