[AiS] Enable AiS flag on all platforms

chrome/browser/autocomplete/search_provider_unittest.cc

 // Copyright 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/autocomplete/search_provider.h"
 
 #include <string>
 
 #include "base/command_line.h"
 #include "base/metrics/field_trial.h"
@@ skipping 3086 matching lines @@
   // relevance than the previous one.
   EXPECT_EQ(2U, verbatim.duplicate_matches.size());
 
   // Other match duplicates are added in descending relevance order.
   EXPECT_EQ(1U, match_alpha.duplicate_matches.size());
   EXPECT_EQ(1U, match_avid.duplicate_matches.size());
 
   EXPECT_EQ(0U, match_apricot.duplicate_matches.size());
 }
 
-#if defined(OS_ANDROID)
 TEST_F(SearchProviderTest, SuggestQueryUsesToken) {
   CommandLine::ForCurrentProcess()->AppendSwitch(
       switches::kEnableAnswersInSuggest);
 
   TemplateURLService* turl_model =
       TemplateURLServiceFactory::GetForProfile(&profile_);
 
   TemplateURLData data;
   data.short_name = ASCIIToUTF16("default");
   data.SetKeyword(data.short_name);
@@ skipping 17 matching lines @@
   search_terms_args.session_token = provider_->current_token_;
   GURL expected_url(default_t_url_->suggestions_url_ref().ReplaceSearchTerms(
       search_terms_args));
   EXPECT_EQ(fetcher->GetOriginalURL().spec(), expected_url.spec());
 
   // Complete running the fetcher to clean up.
   fetcher->set_response_code(200);
   fetcher->delegate()->OnURLFetchComplete(fetcher);
   RunTillProviderDone();
 }
-#endif
 
 TEST_F(SearchProviderTest, SessionToken) {
   // Subsequent calls always get the same token.
   std::string token = provider_->GetSessionToken();
   std::string token2 = provider_->GetSessionToken();
   EXPECT_EQ(token, token2);
   EXPECT_FALSE(token.empty());
 
   // Calls do not regenerate a token.
   provider_->current_token_ = "PRE-EXISTING TOKEN";
@@ skipping 10 matching lines @@
 
   // The expiration time is always updated.
   provider_->GetSessionToken();
   base::TimeTicks expiration_time_1 = provider_->token_expiration_time_;
   base::PlatformThread::Sleep(kSmallDelta);
   provider_->GetSessionToken();
   base::TimeTicks expiration_time_2 = provider_->token_expiration_time_;
   EXPECT_GT(expiration_time_2, expiration_time_1);
   EXPECT_GE(expiration_time_2, expiration_time_1 + kSmallDelta);
 }