Omnibox: Remove Hint Text Code

components/omnibox/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_OMNIBOX_FIELD_TRIAL_H_
 #define COMPONENTS_OMNIBOX_OMNIBOX_FIELD_TRIAL_H_
 
 #include <map>
 #include <string>
 #include <vector>
@@ skipping 232 matching lines @@
   // For the AnswersInSuggest experiment that's part of the bundled omnibox
   // field trial.
 
   // Returns true if the AnswersInSuggest feature should be enabled causing
   // query responses such as current weather conditions or stock quotes
   // to be provided in the Omnibox suggestion list. Considers both the
   // field trial state as well as the overriding command-line flags.
   static bool EnableAnswersInSuggest();
 
   // ---------------------------------------------------------
-  // For the DisplayHintTextWhenPossible experiment that's part of the
-  // bundled omnibox field trial.
-
-  // Returns true if the omnibox should display hint text (Search
-  // <search engine> or type URL) when possible (i.e., the omnibox
-  // is otherwise non-empty).
-  static bool DisplayHintTextWhenPossible();
-
-  // ---------------------------------------------------------
   // For SearchProvider related experiments.
 
   // Returns true if the search provider should not be caching results.
   static bool DisableResultsCaching();
 
   // Returns how the search provider should poll Suggest. Currently, we support
   // measuring polling delay from the last keystroke or last suggest request.
   static void GetSuggestPollingStrategy(bool* from_last_keystroke,
                                         int* polling_delay_ms);
 
@@ skipping 44 matching lines @@
   static const char kShortcutsScoringMaxRelevanceRule[];
   static const char kSearchHistoryRule[];
   static const char kDemoteByTypeRule[];
   static const char kHQPBookmarkValueRule[];
   static const char kHQPDiscountFrecencyWhenFewVisitsRule[];
   static const char kHQPAllowMatchInTLDRule[];
   static const char kHQPAllowMatchInSchemeRule[];
   static const char kZeroSuggestRule[];
   static const char kZeroSuggestVariantRule[];
   static const char kAnswersInSuggestRule[];
-  static const char kDisplayHintTextWhenPossibleRule[];
   static const char kDisableResultsCachingRule[];
   static const char kMeasureSuggestPollingDelayFromLastKeystrokeRule[];
   static const char kSuggestPollingDelayMsRule[];
   static const char kHQPFixFrequencyScoringBugsRule[];
   static const char kHQPNumTitleWordsRule[];
 
   // Parameter names used by the HUP new scoring experiments.
   static const char kHUPNewScoringEnabledParam[];
   static const char kHUPNewScoringTypedCountRelevanceCapParam[];
   static const char kHUPNewScoringTypedCountHalfLifeTimeParam[];
@@ skipping 31 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_OMNIBOX_FIELD_TRIAL_H_