Remove deprecated window.showModalDialog()

Source/core/loader/EmptyClients.h

Index: Source/core/loader/EmptyClients.h
diff --git a/Source/core/loader/EmptyClients.h b/Source/core/loader/EmptyClients.h
index b0e53554be174d3fe3d27d16b809e95f5bafcd91..81cfc82cee5c145b14f47517a768743fe5820f4e 100644
--- a/Source/core/loader/EmptyClients.h
+++ b/Source/core/loader/EmptyClients.h
@@ -86,9 +86,6 @@ public:
     virtual Page* createWindow(Frame*, const FrameLoadRequest&, const WindowFeatures&, NavigationPolicy, ShouldSendReferrer) OVERRIDE { return 0; }
     virtual void show(NavigationPolicy) OVERRIDE { }
 
-    virtual bool canRunModal() OVERRIDE { return false; }
-    virtual void runModal() OVERRIDE { }
-
     virtual void setToolbarsVisible(bool) OVERRIDE { }
     virtual bool toolbarsVisible() OVERRIDE { return false; }