Move convertViewportToWindow and convertWindowToViewport from

third_party/WebKit/Source/web/WebEmbeddedWorkerImpl.h

Index: third_party/WebKit/Source/web/WebEmbeddedWorkerImpl.h
diff --git a/third_party/WebKit/Source/web/WebEmbeddedWorkerImpl.h b/third_party/WebKit/Source/web/WebEmbeddedWorkerImpl.h
index 0d38fa2b3fdfe3c2486101fb8b503c8255e4953e..3865677eb4ffce7b513a4e4369ca4ed4e91504ca 100644
--- a/third_party/WebKit/Source/web/WebEmbeddedWorkerImpl.h
+++ b/third_party/WebKit/Source/web/WebEmbeddedWorkerImpl.h
@@ -46,6 +46,7 @@ namespace blink {
 class ParentFrameTaskRunners;
 class ServiceWorkerGlobalScopeProxy;
 class WebLocalFrameImpl;
+class WebFrameWidget;
 class WebServiceWorkerNetworkProvider;
 class WebView;
 class WorkerInspectorProxy;
@@ -117,10 +118,11 @@ private:
     Persistent<WorkerInspectorProxy> m_workerInspectorProxy;
 
     // 'shadow page' - created to proxy loading requests from the worker.
-    // Both WebView and WebFrame objects are close()'ed (where they're
-    // deref'ed) when this EmbeddedWorkerImpl is destructed, therefore they
-    // are guaranteed to exist while this object is around.
+    // WebView, WebFrameWidget and WebFrame objects are close()'ed (where
+    // they're deref'ed) when this EmbeddedWorkerImpl is destructed, therefore
+    // they are guaranteed to exist while this object is around.
     WebView* m_webView;
+    WebFrameWidget* m_webFrameWidget;
     Persistent<WebLocalFrameImpl> m_mainFrame;
 
     bool m_loadingShadowPage;