Fix a problem that FeedbackReportingView is stacked infinitely whenever navigating to chrome-distil…

components/dom_distiller/core/url_utils.h

Index: components/dom_distiller/core/url_utils.h
diff --git a/components/dom_distiller/core/url_utils.h b/components/dom_distiller/core/url_utils.h
index a57fcd2948552ac768f93436739580df493031f1..8202850db8de00678c6372abfacea1db6820ccab 100644
--- a/components/dom_distiller/core/url_utils.h
+++ b/components/dom_distiller/core/url_utils.h
@@ -25,9 +25,12 @@ const GURL GetDistillerViewUrlFromUrl(const std::string& scheme,
 std::string GetValueForKeyInUrlPathQuery(const std::string& path,
                                          const std::string& key);
 
-// Return whether it should be possible to distill the given |url|.
+// Returns whether it should be possible to distill the given |url|.
 bool IsUrlDistillable(const GURL& url);
 
+// Returns whether it should be possible to report the given |url|.
+bool IsUrlReportable(const std::string& scheme, const GURL& url);
+
 }  // namespace url_utils
 
 }  // namespace dom_distiller