Remove a variety of no-longer-used query params.

components/omnibox/browser/base_search_provider.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/base_search_provider.h"
 
 #include "base/i18n/case_conversion.h"
 #include "base/strings/string_util.h"
 #include "base/strings/utf_string_conversions.h"
 #include "components/data_use_measurement/core/data_use_user_data.h"
@@ skipping 243 matching lines @@
     match.allowed_to_be_default_match = true;
   }
   match.fill_into_edit.append(suggestion.suggestion());
 
   const TemplateURLRef& search_url = template_url->url_ref();
   DCHECK(search_url.SupportsReplacement(search_terms_data));
   match.search_terms_args.reset(
       new TemplateURLRef::SearchTermsArgs(suggestion.suggestion()));
   match.search_terms_args->original_query = input.text();
   match.search_terms_args->accepted_suggestion = accepted_suggestion;
-  match.search_terms_args->enable_omnibox_start_margin = true;
   match.search_terms_args->suggest_query_params =
       suggestion.suggest_query_params();
   match.search_terms_args->append_extra_query_params =
       append_extra_query_params;
   // This is the destination URL sans assisted query stats.  This must be set
   // so the AutocompleteController can properly de-dupe; the controller will
   // eventually overwrite it before it reaches the user.
   match.destination_url =
       GURL(search_url.ReplaceSearchTerms(*match.search_terms_args.get(),
                                          search_terms_data));
@@ skipping 86 matching lines @@
     bool mark_as_deletable,
     bool in_keyword_mode,
     MatchMap* map) {
   AutocompleteMatch match = CreateSearchSuggestion(
       this, GetInput(result.from_keyword_provider()), in_keyword_mode, result,
       GetTemplateURL(result.from_keyword_provider()),
       client_->GetTemplateURLService()->search_terms_data(),
       accepted_suggestion, ShouldAppendExtraParams(result));
   if (!match.destination_url.is_valid())
     return;
-  match.search_terms_args->bookmark_bar_pinned =
-      client_->BookmarkBarIsVisible();
   match.RecordAdditionalInfo(kRelevanceFromServerKey,
                              result.relevance_from_server() ? kTrue : kFalse);
   match.RecordAdditionalInfo(kShouldPrefetchKey,
                              result.should_prefetch() ? kTrue : kFalse);
   SetDeletionURL(result.deletion_url(), &match);
   if (mark_as_deletable)
     match.deletable = true;
   // Metadata is needed only for prefetching queries.
   if (result.should_prefetch())
     match.RecordAdditionalInfo(kSuggestMetadataKey, metadata);
@@ skipping 96 matching lines @@
 }
 
 void BaseSearchProvider::OnDeletionComplete(
     bool success, SuggestionDeletionHandler* handler) {
   RecordDeletionResult(success);
   SuggestionDeletionHandlers::iterator it = std::find(
       deletion_handlers_.begin(), deletion_handlers_.end(), handler);
   DCHECK(it != deletion_handlers_.end());
   deletion_handlers_.erase(it);
 }