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components/dom_distiller/core/url_utils.cc

Index: components/dom_distiller/core/url_utils.cc
diff --git a/components/dom_distiller/core/url_utils.cc b/components/dom_distiller/core/url_utils.cc
index d5ca57d4e3554c8369397507601251c6ee91e6d1..9344f8b2a348f3adbe4521367a09f160a0d0bc6c 100644
--- a/components/dom_distiller/core/url_utils.cc
+++ b/components/dom_distiller/core/url_utils.cc
@@ -33,14 +33,22 @@ const GURL GetDistillerViewUrlFromUrl(const std::string& scheme,
   return net::AppendOrReplaceQueryParameter(url, kUrlKey, view_url.spec());
 }
 
+std::string GetValueForKeyInUrl(const GURL& url, const std::string& key) {
+  std::string value;
+  if (!url.is_valid())
+    return "";
+  if (net::GetValueForKeyInQuery(url, key, &value)) {
+    return value;
+  }
+  return "";
+}
+
 std::string GetValueForKeyInUrlPathQuery(const std::string& path,
                                          const std::string& key) {
   // Tools for retrieving a value in a query only works with full GURLs, so
   // using a dummy scheme and host to create a fake URL which can be parsed.
   GURL dummy_url(kDummyInternalUrlPrefix + path);
-  std::string value;
-  net::GetValueForKeyInQuery(dummy_url, key, &value);
-  return value;
+  return GetValueForKeyInUrl(dummy_url, key);
 }
 
 bool IsUrlDistillable(const GURL& url) {