Omnibox: Remove Hint Text Code

components/omnibox/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/omnibox_field_trial.h"
 
 #include <cmath>
 #include <string>
 
 #include "base/command_line.h"
@@ skipping 295 matching lines @@
   if (cl->HasSwitch(switches::kDisableAnswersInSuggest))
     return false;
   if (cl->HasSwitch(switches::kEnableAnswersInSuggest))
     return true;
 
   return variations::GetVariationParamValue(
       kBundledExperimentFieldTrialName,
       kAnswersInSuggestRule) == "true";
 }
 
-bool OmniboxFieldTrial::DisplayHintTextWhenPossible() {
-  return variations::GetVariationParamValue(
-      kBundledExperimentFieldTrialName,
-      kDisplayHintTextWhenPossibleRule) == "true";
-}
-
 bool OmniboxFieldTrial::DisableResultsCaching() {
   return variations::GetVariationParamValue(
       kBundledExperimentFieldTrialName,
       kDisableResultsCachingRule) == "true";
 }
 
 void OmniboxFieldTrial::GetSuggestPollingStrategy(bool* from_last_keystroke,
                                                   int* polling_delay_ms) {
   *from_last_keystroke = variations::GetVariationParamValue(
       kBundledExperimentFieldTrialName,
@@ skipping 66 matching lines @@
 const char OmniboxFieldTrial::kSearchHistoryRule[] = "SearchHistory";
 const char OmniboxFieldTrial::kDemoteByTypeRule[] = "DemoteByType";
 const char OmniboxFieldTrial::kHQPBookmarkValueRule[] =
     "HQPBookmarkValue";
 const char OmniboxFieldTrial::kHQPAllowMatchInTLDRule[] = "HQPAllowMatchInTLD";
 const char OmniboxFieldTrial::kHQPAllowMatchInSchemeRule[] =
     "HQPAllowMatchInScheme";
 const char OmniboxFieldTrial::kZeroSuggestRule[] = "ZeroSuggest";
 const char OmniboxFieldTrial::kZeroSuggestVariantRule[] = "ZeroSuggestVariant";
 const char OmniboxFieldTrial::kAnswersInSuggestRule[] = "AnswersInSuggest";
-const char OmniboxFieldTrial::kDisplayHintTextWhenPossibleRule[] =
-    "DisplayHintTextWhenPossible";
 const char OmniboxFieldTrial::kDisableResultsCachingRule[] =
     "DisableResultsCaching";
 const char
 OmniboxFieldTrial::kMeasureSuggestPollingDelayFromLastKeystrokeRule[] =
     "MeasureSuggestPollingDelayFromLastKeystroke";
 const char OmniboxFieldTrial::kSuggestPollingDelayMsRule[] =
     "SuggestPollingDelayMs";
 const char OmniboxFieldTrial::kHQPFixFrequencyScoringBugsRule[] =
     "HQPFixFrequencyScoringBugs";
 const char OmniboxFieldTrial::kHQPNumTitleWordsRule[] = "HQPNumTitleWords";
@@ skipping 79 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();
 }