v8binding: Makes ToV8(window) work without a frame.

third_party/WebKit/Source/bindings/core/v8/ToV8ForCore.cpp

Index: third_party/WebKit/Source/bindings/core/v8/ToV8ForCore.cpp
diff --git a/third_party/WebKit/Source/bindings/core/v8/ToV8ForCore.cpp b/third_party/WebKit/Source/bindings/core/v8/ToV8ForCore.cpp
index 4db3bc58d85928173bb9e498cbf5e78104b3f797..71e07c22380296ea54a16b1e9c30593ee0395f7a 100644
--- a/third_party/WebKit/Source/bindings/core/v8/ToV8ForCore.cpp
+++ b/third_party/WebKit/Source/bindings/core/v8/ToV8ForCore.cpp
@@ -19,14 +19,8 @@ v8::Local<v8::Value> ToV8(DOMWindow* window,
 
   if (UNLIKELY(!window))
     return v8::Null(isolate);
-  // Initializes environment of a frame, and return the global object
-  // of the frame.
-  Frame* frame = window->GetFrame();
-  if (!frame)
-    return V8Undefined();
-
-  return frame->GetWindowProxy(DOMWrapperWorld::Current(isolate))
-      ->GlobalProxyIfNotDetached();
+
+  return window->GlobalProxy(DOMWrapperWorld::Current(isolate));
 }
 
 v8::Local<v8::Value> ToV8(EventTarget* impl,