Add more checks to ShowPageActionPopup

chrome/browser/ui/views/location_bar/location_bar_view.h

Index: chrome/browser/ui/views/location_bar/location_bar_view.h
diff --git a/chrome/browser/ui/views/location_bar/location_bar_view.h b/chrome/browser/ui/views/location_bar/location_bar_view.h
index c3eff2c908100644ca2ed3ed230781f0d179494c..3f083c08ead8cc302344b159335588c8a990f0a1 100644
--- a/chrome/browser/ui/views/location_bar/location_bar_view.h
+++ b/chrome/browser/ui/views/location_bar/location_bar_view.h
@@ -549,6 +549,10 @@ class LocationBarView : public LocationBar,
   int current_omnibox_width_;
   int ending_omnibox_width_;
 
+  // This is a debug state variable that stores if the WebContents was null
+  // during the last RefreshPageAction.
+  bool web_contents_null_at_last_refresh_;
+
   DISALLOW_COPY_AND_ASSIGN(LocationBarView);
 };