Cleanup FrameLoader::opener() to return a Frame*.

Source/core/loader/FrameLoader.cpp

Index: Source/core/loader/FrameLoader.cpp
diff --git a/Source/core/loader/FrameLoader.cpp b/Source/core/loader/FrameLoader.cpp
index 1160c9af3a04d605b33079a0aacd8152b2e9af63..e466f22dae5d77dc96c78c090a2a3e256326a304 100644
--- a/Source/core/loader/FrameLoader.cpp
+++ b/Source/core/loader/FrameLoader.cpp
@@ -498,10 +498,9 @@ void FrameLoader::scheduleCheckCompleted()
         m_checkTimer.startOneShot(0, FROM_HERE);
 }
 
-LocalFrame* FrameLoader::opener()
+Frame* FrameLoader::opener()
 {
-    // FIXME: Temporary hack to stage converting locations that really should be Frame.
-    return client() ? toLocalFrame(client()->opener()) : 0;
+    return client() ? client()->opener() : 0;
 }
 
 void FrameLoader::setOpener(LocalFrame* opener)