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

components/dom_distiller/core/url_utils.h

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef COMPONENTS_DOM_DISTILLER_CORE_URL_UTILS_H_
 #define COMPONENTS_DOM_DISTILLER_CORE_URL_UTILS_H_
 
 #include <string>
 
 class GURL;
 
 namespace dom_distiller {
 
 namespace url_utils {
 
 // Returns the URL for viewing distilled content for an entry.
 const GURL GetDistillerViewUrlFromEntryId(const std::string& scheme,
                                           const std::string& entry_id);
 
 // Returns the URL for viewing distilled content for a URL.
 const GURL GetDistillerViewUrlFromUrl(const std::string& scheme,
                                       const GURL& view_url);
 
 // Returns the value of the query parameter for the given path.
 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
 
 #endif  // COMPONENTS_DOM_DISTILLER_CORE_URL_UTILS_H_