Add title to current page in zero suggest.

components/omnibox/browser/omnibox_field_trial.cc

 // 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.
 
 #include "components/omnibox/browser/omnibox_field_trial.h"
 
 #include <cmath>
 #include <string>
 
 #include "base/command_line.h"
@@ skipping 10 matching lines @@
 #include "components/omnibox/browser/url_index_private_data.h"
 #include "components/search/search.h"
 #include "components/variations/active_field_trials.h"
 #include "components/variations/metrics_util.h"
 #include "components/variations/variations_associated_data.h"
 
 using metrics::OmniboxEventProto;
 
 namespace omnibox {
 
+// Feature used for the Zero Suggest Redirect to Chrome Field Trial.

[Mark P, 2017/04/10 22:38:02]

Copy-paste error?  Please write a real comment.

[gcomanici, 2017/04/11 20:51:41]

Done.

+const base::Feature kIncludeTitleToACMatchForCurrentUrl{
+    "IncludeTitleToACMatchForCurrentUrl", base::FEATURE_DISABLED_BY_DEFAULT};
+//
 // Feature used to enable the new set of answers in suggest types (currency,
 // dictionary, sports, translation, when is). Note that the state of this
 // Feature is not consulted anywhere in the code. It is only used to force a
 // Finch experiment arm which sends an experiment ID to GWS which triggers
 // serving the new types.
 const base::Feature kNewOmniboxAnswerTypes{"NewOmniboxAnswerTypes",
                                            base::FEATURE_DISABLED_BY_DEFAULT};
 
 // Feature used to enable the transmission of entity suggestions from GWS
 // to this client.
@@ skipping 749 matching lines @@
   if (it != params.end())
     return it->second;
   // Fall back to the global instant extended context.
   it = params.find(rule + ":" + page_classification_str + ":*");
   if (it != params.end())
     return it->second;
   // Look up rule in the global context.
   it = params.find(rule + ":*:*");
   return (it != params.end()) ? it->second : std::string();
 }