Move the offline URL trimming to GetFormattedURL.

ios/chrome/browser/reading_list/offline_url_utils.h

Index: ios/chrome/browser/reading_list/offline_url_utils.h
diff --git a/ios/chrome/browser/reading_list/offline_url_utils.h b/ios/chrome/browser/reading_list/offline_url_utils.h
index 479b75ca4cf627fd2320d5bf3ccddbf953a9da48..ab2bea2de67f5656c3e9ce1a446805eb5271c0e2 100644
--- a/ios/chrome/browser/reading_list/offline_url_utils.h
+++ b/ios/chrome/browser/reading_list/offline_url_utils.h
@@ -8,6 +8,7 @@
 #include <string>
 
 #include "base/files/file_path.h"
+#include "base/strings/string16.h"
 #include "url/gurl.h"
 
 namespace reading_list {
@@ -30,6 +31,10 @@ GURL FileURLForDistilledURL(const GURL& distilled_url,
 // Returns whether the URL points to a chrome offline URL.
 bool IsOfflineURL(const GURL& url);
 
+// Strips scheme from the original URL of the offline page. This is meant to be
+// used by UI.
+base::string16 StripSchemeFromOnlineUrl(base::string16 online_url);

[Eugene But (OOO till 7-30), 2016/12/28 17:02:59]

Should this be |const base::string16&online_url|?

[Eugene But (OOO till 7-30), 2016/12/28 17:02:59]

Optional nit: Camel case Url is correct per C++ Style Guide, but the rest of the
code in this file uses all caps URL. It's up toy you if you want to choose
correctness or consistency, I just wanted to bring your attention.

[Olivier, 2016/12/29 12:37:20]

Done.

+
 }  // namespace reading_list
 
 #endif  // IOS_CHROME_BROWSER_READING_LIST_OFFLINE_URL_UTILS_H_