Add about:flags entries for UseGoogleLocalNtp and OneGoogleBarOnLocalNtp

chrome/browser/search/local_ntp_source.cc

 // Copyright 2013 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/search/local_ntp_source.h"
 
 #include "base/base64.h"
 #include "base/command_line.h"
 #include "base/feature_list.h"
 #include "base/json/json_string_value_serializer.h"
 #include "base/json/json_writer.h"
 #include "base/logging.h"
 #include "base/memory/ptr_util.h"
 #include "base/memory/ref_counted_memory.h"
 #include "base/metrics/histogram_macros.h"
 #include "base/strings/string_util.h"
 #include "base/strings/stringprintf.h"
 #include "base/values.h"
 #include "build/build_config.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/search/instant_io_context.h"
 #include "chrome/browser/search/local_files_ntp_source.h"
 #include "chrome/browser/search/one_google_bar/one_google_bar_data.h"
 #include "chrome/browser/search/one_google_bar/one_google_bar_service.h"
 #include "chrome/browser/search/one_google_bar/one_google_bar_service_factory.h"
 #include "chrome/browser/search_engines/template_url_service_factory.h"
 #include "chrome/browser/themes/theme_properties.h"
 #include "chrome/browser/themes/theme_service.h"
 #include "chrome/browser/themes/theme_service_factory.h"
+#include "chrome/common/chrome_features.h"
 #include "chrome/common/chrome_switches.h"
 #include "chrome/common/url_constants.h"
 #include "chrome/grit/browser_resources.h"
 #include "chrome/grit/generated_resources.h"
 #include "chrome/grit/theme_resources.h"
 #include "components/search_engines/template_url_service.h"
 #include "components/search_engines/template_url_service_observer.h"
 #include "components/strings/grit/components_strings.h"
 #include "content/public/browser/browser_thread.h"
 #include "crypto/secure_hash.h"
 #include "net/base/hash_value.h"
 #include "net/url_request/url_request.h"
 #include "third_party/skia/include/core/SkColor.h"
 #include "ui/base/l10n/l10n_util.h"
 #include "ui/base/resource/resource_bundle.h"
 #include "ui/base/webui/web_ui_util.h"
 #include "ui/resources/grit/ui_resources.h"
 #include "url/gurl.h"
 
 namespace {
 
-base::Feature kOneGoogleBarOnLocalNtpFeature{"OneGoogleBarOnLocalNtp",
-                                             base::FEATURE_DISABLED_BY_DEFAULT};
-
 // Signifies a locally constructed resource, i.e. not from grit/.
 const int kLocalResource = -1;
 
 const char kConfigDataFilename[] = "config.js";
 const char kThemeCSSFilename[] = "theme.css";
 const char kMainHtmlFilename[] = "local-ntp.html";
 const char kOneGoogleBarScriptFilename[] = "one-google.js";
 const char kOneGoogleBarInHeadStyleFilename[] = "one-google/in-head.css";
 const char kOneGoogleBarInHeadScriptFilename[] = "one-google/in-head.js";
 const char kOneGoogleBarAfterBarScriptFilename[] = "one-google/after-bar.js";
@@ skipping 169 matching lines @@
 
 LocalNtpSource::LocalNtpSource(Profile* profile)
     : profile_(profile),
       one_google_bar_service_(nullptr),
       one_google_bar_service_observer_(this),
       default_search_provider_is_google_(false),
       default_search_provider_is_google_io_thread_(false),
       weak_ptr_factory_(this) {
   DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
 
-  if (base::FeatureList::IsEnabled(kOneGoogleBarOnLocalNtpFeature)) {
+  if (base::FeatureList::IsEnabled(features::kOneGoogleBarOnLocalNtp)) {
     one_google_bar_service_ =
         OneGoogleBarServiceFactory::GetForProfile(profile_);
   }
 
   // |one_google_bar_service_| is null in incognito, or when the feature is
   // disabled.
   if (one_google_bar_service_)
     one_google_bar_service_observer_.Add(one_google_bar_service_);
 
   TemplateURLService* template_url_service =
@@ skipping 255 matching lines @@
 
 LocalNtpSource::OneGoogleBarRequest::OneGoogleBarRequest(
     base::TimeTicks start_time,
     const content::URLDataSource::GotDataCallback& callback)
     : start_time(start_time), callback(callback) {}
 
 LocalNtpSource::OneGoogleBarRequest::OneGoogleBarRequest(
     const OneGoogleBarRequest&) = default;
 
 LocalNtpSource::OneGoogleBarRequest::~OneGoogleBarRequest() = default;