Move ScriptState::domWindow()

third_party/WebKit/Source/core/frame/LocalDOMWindow.cpp

Index: third_party/WebKit/Source/core/frame/LocalDOMWindow.cpp
diff --git a/third_party/WebKit/Source/core/frame/LocalDOMWindow.cpp b/third_party/WebKit/Source/core/frame/LocalDOMWindow.cpp
index 8828f7e9a8b178fabe61f7109b89d5a9d0e47606..6d96972d67261642e51f7d8e384e9410f57bbf2f 100644
--- a/third_party/WebKit/Source/core/frame/LocalDOMWindow.cpp
+++ b/third_party/WebKit/Source/core/frame/LocalDOMWindow.cpp
@@ -328,6 +328,11 @@ Document* LocalDOMWindow::createDocument(const String& mimeType,
   return document;
 }
 
+LocalDOMWindow* LocalDOMWindow::from(const ScriptState* scriptState) {
+  v8::HandleScope scope(scriptState->isolate());
+  return blink::toLocalDOMWindow(scriptState->context());
+}
+
 Document* LocalDOMWindow::installNewDocument(const String& mimeType,
                                              const DocumentInit& init,
                                              bool forceXHTML) {