Omnibox UI Experiments: Implement scheme-trimming for suggested URLs.

components/omnibox/browser/autocomplete_match.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_OMNIBOX_BROWSER_AUTOCOMPLETE_MATCH_H_
 #define COMPONENTS_OMNIBOX_BROWSER_AUTOCOMPLETE_MATCH_H_
 
 #include <stddef.h>
 
 #include <map>
 #include <memory>
 #include <string>
 #include <vector>
 
+#include "base/strings/utf_offset_string_conversions.h"

[Justin Donnelly, 2017/06/20 17:31:01]

Can you forward declare base::OffsetAdjuster::Adjustments instead of including
this?

[tommycli, 2017/06/20 22:51:21]

Unfortunately it's not possible to forward declare a nested type. Also
Adjustments is a typedef so it also can't be forward declared.

 #include "components/omnibox/browser/autocomplete_input.h"
 #include "components/omnibox/browser/autocomplete_match_type.h"
 #include "components/search_engines/template_url.h"
 #include "ui/base/page_transition_types.h"
 #include "url/gurl.h"
 
 class AutocompleteProvider;
 class SuggestionAnswer;
 class TemplateURL;
 class TemplateURLService;
@@ skipping 175 matching lines @@
   // be altered during stripping.  If this URL, minus the scheme and separator,
   // starts with any the terms in input.terms_prefixed_by_http_or_https(), we
   // avoid converting an HTTPS scheme to HTTP.  This means URLs that differ
   // only by these schemes won't be marked as dupes, since the distinction
   // seems to matter to the user.
   static GURL GURLToStrippedGURL(const GURL& url,
                                  const AutocompleteInput& input,
                                  TemplateURLService* template_url_service,
                                  const base::string16& keyword);
 
+  // These are convenience functions for formatting a URL into an abridged form
+  // for display within the Omnibox suggestions dropdown.
+  //
+  // The results are explicitly for non-security surfaces. Do not use the
+  // results for anything other than the Omnibox dropdown.
+  static base::string16 FormatUrlForSuggestionDisplay(
+      const GURL& url,
+      bool trim_scheme,
+      size_t* offset_for_adjustment);
+  static base::string16 FormatUrlForSuggestionDisplayWithAdjustments(
+      const GURL& url,
+      bool trim_scheme,
+      base::OffsetAdjuster::Adjustments* adjustments);
+
   // Computes the stripped destination URL (via GURLToStrippedGURL()) and
   // stores the result in |stripped_destination_url|.  |input| is used for the
   // same purpose as in GURLToStrippedGURL().
   void ComputeStrippedDestinationURL(const AutocompleteInput& input,
                                      TemplateURLService* template_url_service);
 
   // Sets |allowed_to_be_default_match| to true if this match is effectively
   // the URL-what-you-typed match (i.e., would be dupped against the UWYT
   // match when AutocompleteResult merges matches).
   void EnsureUWYTIsAllowedToBeDefault(
@@ skipping 205 matching lines @@
       const base::string16& text,
       const ACMatchClassifications& classifications) const;
 #endif
 };
 
 typedef AutocompleteMatch::ACMatchClassification ACMatchClassification;
 typedef std::vector<ACMatchClassification> ACMatchClassifications;
 typedef std::vector<AutocompleteMatch> ACMatches;
 
 #endif  // COMPONENTS_OMNIBOX_BROWSER_AUTOCOMPLETE_MATCH_H_