Omnibox UI Experiments: Implement elide-after-host experiment.

components/url_formatter/url_formatter.h

 // Copyright 2015 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.
 
 // url_formatter contains routines for formatting URLs in a way that can be
 // safely and securely displayed to users. For example, it is responsible
 // for determining when to convert an IDN A-Label (e.g. "xn--[something]")
 // into the IDN U-Label.
 //
 // Note that this formatting is only intended for display purposes; it would
@@ skipping 33 matching lines @@
 // If set, any username and password are removed.
 extern const FormatUrlType kFormatUrlOmitUsernamePassword;
 
 // If the scheme is 'http://', it's removed.
 extern const FormatUrlType kFormatUrlOmitHTTP;
 
 // Omits the path if it is just a slash and there is no query or ref.  This is
 // meaningful for non-file "standard" URLs.
 extern const FormatUrlType kFormatUrlOmitTrailingSlashOnBareHostname;
 
-// Convenience for omitting all unecessary types.
+// Convenience for omitting all unecessary types. Does not include experimental
+// flags below.
 extern const FormatUrlType kFormatUrlOmitAll;
 
+// Replaces the path, query, and ref with an ellipsis. Experimental and not in
+// kFormatUrlOmitAll.
+extern const FormatUrlType kFormatUrlExperimentalElideAfterHost;
+
 // Creates a string representation of |url|. The IDN host name is turned to
 // Unicode if the Unicode representation is deemed safe. |format_type| is a
 // bitmask of FormatUrlTypes, see it for details. |unescape_rules| defines how
 // to clean the URL for human readability. You will generally want
 // |UnescapeRule::SPACES| for display to the user if you can handle spaces, or
 // |UnescapeRule::NORMAL| if not. If the path part and the query part seem to
 // be encoded in %-encoded UTF-8, decodes %-encoding and UTF-8.
 //
 // The last three parameters may be NULL.
 //
@@ skipping 72 matching lines @@
 // If |text| starts with "www." it is removed, otherwise |text| is returned
 // unmodified.
 base::string16 StripWWW(const base::string16& text);
 
 // Runs |url|'s host through StripWWW().  |url| must be valid.
 base::string16 StripWWWFromHost(const GURL& url);
 
 }  // namespace url_formatter
 
 #endif  // COMPONENTS_URL_FORMATTER_URL_FORMATTER_H_