Add a URL param to indicate group selection in Instant field trial.

chrome/browser/autocomplete/search_provider.cc

 // Copyright (c) 2011 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/autocomplete/search_provider.h"
 
 #include <algorithm>
 #include <cmath>
 
 #include "base/callback.h"
@@ skipping 423 matching lines @@
   have_suggest_results_ = false;
 }
 
 URLFetcher* SearchProvider::CreateSuggestFetcher(int id,
                                                  const TemplateURL& provider,
                                                  const string16& text) {
   const TemplateURLRef* const suggestions_url = provider.suggestions_url();
   DCHECK(suggestions_url->SupportsReplacement());
   URLFetcher* fetcher = URLFetcher::Create(id,
       GURL(suggestions_url->ReplaceSearchTerms(
-           provider, text,
+           profile_, provider, text,
            TemplateURLRef::NO_SUGGESTIONS_AVAILABLE, string16())),
       URLFetcher::GET, this);
   fetcher->set_request_context(profile_->GetRequestContext());
   fetcher->Start();
   return fetcher;
 }
 
 bool SearchProvider::ParseSuggestResults(Value* root_val,
                                          bool is_keyword,
                                          const string16& input_text,
@@ skipping 422 matching lines @@
   match.fill_into_edit.append(query_string);
   // Not all suggestions start with the original input.
   if (!prevent_inline_autocomplete &&
       !match.fill_into_edit.compare(search_start, input_text.length(),
                                    input_text))
     match.inline_autocomplete_offset = search_start + input_text.length();
 
   const TemplateURLRef* const search_url = provider.url();
   DCHECK(search_url->SupportsReplacement());
   match.destination_url =
-      GURL(search_url->ReplaceSearchTerms(provider,
+      GURL(search_url->ReplaceSearchTerms(profile_,
+                                          provider,
                                           query_string,
                                           accepted_suggestion,
                                           input_text));
 
   // Search results don't look like URLs.
   match.transition =
       is_keyword ? PageTransition::KEYWORD : PageTransition::GENERATED;
 
   // Try to add |match| to |map|.  If a match for |query_string| is already in
   // |map|, replace it if |match| is more relevant.
@@ skipping 46 matching lines @@
 
   return match;
 }
 
 void SearchProvider::UpdateDone() {
   // We're done when there are no more suggest queries pending (this is set to 1
   // when the timer is started) and we're not waiting on instant.
   done_ = ((suggest_results_pending_ == 0) &&
            (instant_finalized_ || !InstantController::IsEnabled(profile_)));
 }