Enable SuggestionsService by default.

BUG=387105

Review URL: https://codereview.chromium.org/1024553003

Cr-Commit-Position: refs/heads/master@{#321474}

chrome/browser/search/suggestions/suggestions_service_factory.cc

@@ -28,9 +28,6 @@ namespace suggestions {
 
 // static
 SuggestionsService* SuggestionsServiceFactory::GetForProfile(Profile* profile) {
-  if (!SuggestionsService::IsEnabled())
-    return NULL;
-
   return static_cast<SuggestionsService*>(
       GetInstance()->GetServiceForBrowserContext(profile, true));
 }

components/suggestions/suggestions_service.cc

@@ -118,12 +118,6 @@ SuggestionsService::SuggestionsService(
 
 SuggestionsService::~SuggestionsService() {}
 
-// static
-bool SuggestionsService::IsEnabled() {
-  return GetExperimentParam(kSuggestionsFieldTrialStateParam) ==
-      kSuggestionsFieldTrialStateEnabled;
-}
-
 // static
 bool SuggestionsService::IsControlGroup() {
   return GetExperimentParam(kSuggestionsFieldTrialControlParam) ==

components/suggestions/suggestions_service.h

@@ -61,9 +61,6 @@ class SuggestionsService : public KeyedService, public net::URLFetcherDelegate {
       scoped_ptr<BlacklistStore> blacklist_store);
   ~SuggestionsService() override;
 
-  // Whether this service is enabled.
-  static bool IsEnabled();
-
   // Whether the user is part of a control group.
   static bool IsControlGroup();