[AiS] Command-line flag and field trial changes.

chrome/browser/omnibox/omnibox_field_trial.cc

 // Copyright (c) 2012 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 "chrome/browser/omnibox/omnibox_field_trial.h"
 
 #include <cmath>
 #include <string>
 
+#include "base/command_line.h"
 #include "base/metrics/field_trial.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/string_split.h"
 #include "base/strings/string_util.h"
 #include "base/strings/stringprintf.h"
 #include "base/time/time.h"
 #include "chrome/browser/autocomplete/autocomplete_input.h"
 #include "chrome/browser/search/search.h"
+#include "chrome/common/chrome_switches.h"
 #include "chrome/common/variations/variation_ids.h"
 #include "components/variations/active_field_trials.h"
 #include "components/variations/metrics_util.h"
 #include "components/variations/variations_associated_data.h"
 
 namespace {
 
 typedef std::map<std::string, std::string> VariationParams;
 typedef HUPScoringParams::ScoreBuckets ScoreBuckets;
 
@@ skipping 396 matching lines @@
       kBundledExperimentFieldTrialName,
       kBookmarksIndexURLsRule) == "true";
 }
 
 bool OmniboxFieldTrial::DisableInlining() {
   return chrome_variations::GetVariationParamValue(
       kBundledExperimentFieldTrialName,
       kDisableInliningRule) == "true";
 }
 
+bool OmniboxFieldTrial::EnableAnswersInSuggest() {
+  const CommandLine* cl = CommandLine::ForCurrentProcess();
+  if (cl->HasSwitch(switches::kDisableAnswersInSuggest))
+    return false;
+  if (cl->HasSwitch(switches::kEnableAnswersInSuggest))
+    return true;
+
+  return chrome_variations::GetVariationParamValue(
+      kBundledExperimentFieldTrialName,
+      kAnswersInSuggestRule) == "true";
+}
+
 const char OmniboxFieldTrial::kBundledExperimentFieldTrialName[] =
     "OmniboxBundledExperimentV1";
 const char OmniboxFieldTrial::kShortcutsScoringMaxRelevanceRule[] =
     "ShortcutsScoringMaxRelevance";
 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::kBookmarksIndexURLsRule[] = "BookmarksIndexURLs";
 const char OmniboxFieldTrial::kDisableInliningRule[] = "DisableInlining";
+const char OmniboxFieldTrial::kAnswersInSuggestRule[] = "AnswersInSuggest";
 
 const char OmniboxFieldTrial::kHUPNewScoringEnabledParam[] =
     "HUPExperimentalScoringEnabled";
 const char OmniboxFieldTrial::kHUPNewScoringTypedCountRelevanceCapParam[] =
     "TypedCountRelevanceCap";
 const char OmniboxFieldTrial::kHUPNewScoringTypedCountHalfLifeTimeParam[] =
     "TypedCountHalfLifeTime";
 const char OmniboxFieldTrial::kHUPNewScoringTypedCountScoreBucketsParam[] =
     "TypedCountScoreBuckets";
 const char OmniboxFieldTrial::kHUPNewScoringVisitedCountRelevanceCapParam[] =
@@ skipping 58 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();
 }