Invert description and URL for experimental zero suggest suggestions.

components/omnibox/browser/omnibox_field_trial.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_OMNIBOX_FIELD_TRIAL_H_
 #define COMPONENTS_OMNIBOX_BROWSER_OMNIBOX_FIELD_TRIAL_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include <map>
 #include <string>
 #include <vector>
 
 #include "base/macros.h"
 #include "components/metrics/proto/omnibox_event.pb.h"
-#include "components/metrics/proto/omnibox_input_type.pb.h"
+#include "components/omnibox/browser/autocomplete_input.h"
 #include "components/omnibox/browser/autocomplete_match_type.h"
 
 namespace base {
 struct Feature;
 class TimeDelta;
 }
 
 namespace omnibox {
 
 extern const base::Feature kNewOmniboxAnswerTypes;
@@ skipping 339 matching lines @@
   // Returns the relevance score that KeywordProvider should assign to keywords
   // with sufficiently-complete matches, i.e., the user has typed all of the
   // important part of the keyword.  Returns -1 if the experiment isn't active.
   static int KeywordScoreForSufficientlyCompleteMatch();
 
   // ---------------------------------------------------------
   // For the EmphasizeTitles experiment that's part of the bundled omnibox
   // field trial.
 
   // Returns the conditions under which the UI code should display the title
   // of a URL more prominently than the URL for an input of type |input_type|.

[Mark P, 2017/02/28 22:24:28]

Revise this.

[gcomanici, 2017/03/01 02:56:28]

Done.

   // Normally the URL is displayed more prominently.  Returns NEVER_EMPHASIZE
   // if the experiment isn't active.
   static EmphasizeTitlesCondition GetEmphasizeTitlesConditionForInput(
-      metrics::OmniboxInputType::Type input_type);
+      const AutocompleteInput& input);
 
   // ---------------------------------------------------------
   // For PhysicalWebProvider related experiments.
 
   // Returns whether the user is in a Physical Web field trial where the
   // PhysicalWebProvider should be used to get suggestions when the user clicks
   // on the omnibox but has not typed anything yet.
   static bool InPhysicalWebZeroSuggestFieldTrial();
 
   // Returns whether the user is in a Physical Web field trial and URL-based
   // suggestions can continue to appear after the user has started typing.
   static bool InPhysicalWebAfterTypingFieldTrial();
 
   // Returns the base relevance score for Physical Web omnibox suggestions when
   // the user has clicked on the omnibox but has not typed anything yet.
   static int GetPhysicalWebZeroSuggestBaseRelevance();
 
   // Returns the base relevance score for Physical Web omnibox suggestions when
   // the user has started typing in the omnibox.
   static int GetPhysicalWebAfterTypingBaseRelevance();
 
   // ---------------------------------------------------------
   // For experiment redirecting zero suggest requests to a service provided by
   // the Chrome team.
 
-  // Returns whether the user is in the field trial which redirects zero suggest
-  // requests to the service provided by the Chrome team.
+  // Returns true whether the user is in the field trial which redirects zero
+  // suggest requests to the service provided by the Chrome team.
   static bool InZeroSuggestRedirectToChromeFieldTrial();
 
   // Returns a string representing the address of the server where the zero
   // suggest requests are being redirected. The return value is a URL
   // (https://example.com/test) and it doesn't include any query component
   // (no "?").
   static std::string ZeroSuggestRedirectToChromeServerAddress();
 
   // Returns a string representing the parameters that are sent to the
   // alternative service providing zero suggestions. The returned value is
   // properly escaped. It can be appended to the string representaiton of a
   // request URL.
   static std::string ZeroSuggestRedirectToChromeAdditionalFields();
 
+  // Returns true whether the user is in the field trial which swaps the title
+  // and the URL for zero suggest suggestions.
+  static bool InZeroSuggestSwapTitleAndUrlFieldTrial();
+
   // ---------------------------------------------------------
   // Exposed publicly for the sake of unittests.
   static const char kBundledExperimentFieldTrialName[];
   // Rule names used by the bundled experiment.
   static const char kDisableProvidersRule[];
   static const char kShortcutsScoringMaxRelevanceRule[];
   static const char kSearchHistoryRule[];
   static const char kDemoteByTypeRule[];
   static const char kHQPBookmarkValueRule[];
   static const char kHQPTypedValueRule[];
@@ skipping 70 matching lines @@
   // prioritize different wildcard contexts, see the implementation.  How to
   // interpret the value is left to the caller; this is rule-dependent.
   static std::string GetValueForRuleInContext(
       const std::string& rule,
       metrics::OmniboxEventProto::PageClassification page_classification);
 
   DISALLOW_IMPLICIT_CONSTRUCTORS(OmniboxFieldTrial);
 };
 
 #endif  // COMPONENTS_OMNIBOX_BROWSER_OMNIBOX_FIELD_TRIAL_H_