Expose performance.memory in workers

Source/core/workers/WorkerGlobalScope.cpp

Index: Source/core/workers/WorkerGlobalScope.cpp
diff --git a/Source/core/workers/WorkerGlobalScope.cpp b/Source/core/workers/WorkerGlobalScope.cpp
index cd8daa3ef8aea5f2118b7900ec64dfdab1282221..cdb72e42a04b05bafebc303e1031e9efb3160480 100644
--- a/Source/core/workers/WorkerGlobalScope.cpp
+++ b/Source/core/workers/WorkerGlobalScope.cpp
@@ -73,7 +73,7 @@ public:
     virtual bool isCleanupTask() const { return true; }
 };
 
-WorkerGlobalScope::WorkerGlobalScope(const KURL& url, const String& userAgent, WorkerThread* thread, double timeOrigin, PassOwnPtr<WorkerClients> workerClients)
+WorkerGlobalScope::WorkerGlobalScope(const KURL& url, const String& userAgent, WorkerThread* thread, double timeOrigin, bool memoryInfoEnabled, PassOwnPtr<WorkerClients> workerClients)
     : m_url(url)
     , m_userAgent(userAgent)
     , m_script(adoptPtr(new WorkerScriptController(*this)))
@@ -83,6 +83,7 @@ WorkerGlobalScope::WorkerGlobalScope(const KURL& url, const String& userAgent, W
     , m_eventQueue(WorkerEventQueue::create(this))
     , m_workerClients(workerClients)
     , m_timeOrigin(timeOrigin)
+    , m_memoryInfoEnabled(memoryInfoEnabled)
 {
     ScriptWrappable::init(this);
     setClient(this);