NTP4: remove unused promo C++

chrome/browser/ui/webui/ntp/ntp_resource_cache.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/ui/webui/ntp/ntp_resource_cache.h"
 
 #include <string>
 #include <vector>
 
 #include "base/command_line.h"
 #include "base/memory/ref_counted_memory.h"
 #include "base/strings/string16.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/stringprintf.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/values.h"
 #include "build/build_config.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/chrome_notification_types.h"
 #include "chrome/browser/extensions/extension_util.h"
-#include "chrome/browser/first_run/first_run.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/search/search.h"
 #include "chrome/browser/signin/signin_manager_factory.h"
 #include "chrome/browser/sync/profile_sync_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/browser/ui/app_list/app_list_util.h"
 #include "chrome/browser/ui/apps/app_info_dialog.h"
 #include "chrome/browser/ui/bookmarks/bookmark_bar_constants.h"
 #include "chrome/browser/ui/sync/sync_promo_ui.h"
 #include "chrome/browser/ui/webui/app_launcher_login_handler.h"
 #include "chrome/browser/ui/webui/ntp/new_tab_page_handler.h"
 #include "chrome/browser/ui/webui/ntp/new_tab_ui.h"
-#include "chrome/browser/web_resource/notification_promo_helper.h"
 #include "chrome/common/chrome_switches.h"
 #include "chrome/common/pref_names.h"
 #include "chrome/common/url_constants.h"
 #include "chrome/grit/chromium_strings.h"
 #include "chrome/grit/generated_resources.h"
 #include "chrome/grit/locale_settings.h"
 #include "components/bookmarks/common/bookmark_pref_names.h"
 #include "components/browser_sync/browser/profile_sync_service.h"
 #include "components/google/core/browser/google_util.h"
 #include "components/prefs/pref_service.h"
 #include "components/signin/core/browser/signin_manager.h"
 #include "components/strings/grit/components_strings.h"
-#include "components/web_resource/notification_promo.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/notification_service.h"
 #include "content/public/browser/render_process_host.h"
 #include "extensions/common/extension.h"
 #include "extensions/common/extension_urls.h"
 #include "grit/browser_resources.h"
 #include "grit/components_strings.h"
 #include "grit/theme_resources.h"
 #include "ui/base/l10n/l10n_util.h"
 #include "ui/base/resource/resource_bundle.h"
@@ skipping 106 matching lines @@
 
 }  // namespace
 
 NTPResourceCache::NTPResourceCache(Profile* profile)
     : profile_(profile), is_swipe_tracking_from_scroll_events_enabled_(false),
       should_show_apps_page_(NewTabUI::ShouldShowApps()),
       should_show_other_devices_menu_(true) {
   registrar_.Add(this, chrome::NOTIFICATION_BROWSER_THEME_CHANGED,
                  content::Source<ThemeService>(
                      ThemeServiceFactory::GetForProfile(profile)));
-  registrar_.Add(this, chrome::NOTIFICATION_PROMO_RESOURCE_STATE_CHANGED,
-                 content::NotificationService::AllSources());
-
-  web_resource::PromoResourceService* promo_service =
-      g_browser_process->promo_resource_service();
-  if (promo_service) {
-    promo_resource_subscription_ = promo_service->RegisterStateChangedCallback(
-        base::Bind(&NTPResourceCache::Invalidate, base::Unretained(this)));
-  }
 
   base::Closure callback = base::Bind(&NTPResourceCache::OnPreferenceChanged,
                                       base::Unretained(this));
 
   // Watch for pref changes that cause us to need to invalidate the HTML cache.
   profile_pref_change_registrar_.Init(profile_->GetPrefs());
   profile_pref_change_registrar_.Add(bookmarks::prefs::kShowBookmarkBar,
                                      callback);
   profile_pref_change_registrar_.Add(prefs::kNtpShownPage, callback);
   profile_pref_change_registrar_.Add(prefs::kSignInPromoShowNTPBubble,
@@ skipping 81 matching lines @@
 
   if (!new_tab_css_)
     CreateNewTabCSS();
   return new_tab_css_.get();
 }
 
 void NTPResourceCache::Observe(int type,
                                const content::NotificationSource& source,
                                const content::NotificationDetails& details) {
   // Invalidate the cache.
-  if (chrome::NOTIFICATION_BROWSER_THEME_CHANGED == type ||
-      chrome::NOTIFICATION_PROMO_RESOURCE_STATE_CHANGED == type) {
+  if (chrome::NOTIFICATION_BROWSER_THEME_CHANGED == type)
     Invalidate();
-  } else {
+  else
     NOTREACHED();
-  }
 }
 
 void NTPResourceCache::OnPreferenceChanged() {
   // A change occurred to one of the preferences we care about, so flush the
   // cache.
   new_tab_incognito_html_ = NULL;
   new_tab_html_ = NULL;
   new_tab_css_ = NULL;
 }
 
+// TODO(dbeam): why must Invalidate() and OnPreferenceChanged() both exist?
 void NTPResourceCache::Invalidate() {
   new_tab_incognito_html_ = nullptr;
   new_tab_html_ = nullptr;
   new_tab_incognito_css_ = nullptr;
-  // TODO(dbeam): Check if it is necessary to clear the CSS on promo changes.
   new_tab_css_ = nullptr;
 }
 
 void NTPResourceCache::CreateNewTabIncognitoHTML() {
   base::DictionaryValue localized_strings;
   localized_strings.SetString("title",
       l10n_util::GetStringUTF16(IDS_NEW_TAB_TITLE));
   int new_tab_description_ids = IDS_NEW_TAB_OTR_DESCRIPTION;
   int new_tab_heading_ids = IDS_NEW_TAB_OTR_HEADING;
   int new_tab_link_ids = IDS_NEW_TAB_OTR_LEARN_MORE_LINK;
@@ skipping 178 matching lines @@
 
   NewTabPageHandler::GetLocalizedValues(profile_, &load_time_data);
   AppLauncherLoginHandler::GetLocalizedValues(profile_, &load_time_data);
 
   webui::SetLoadTimeDataDefaults(app_locale, &load_time_data);
 
   // Control fade and resize animations.
   load_time_data.SetBoolean("anim",
                             gfx::Animation::ShouldRenderRichAnimation());
 
-  // Disable the promo if this is the first run, otherwise set the promo string
-  // for display if there is a valid outstanding promo.
-  if (first_run::IsChromeFirstRun()) {
-    web_resource::HandleNotificationPromoClosed(
-        web_resource::NotificationPromo::NTP_NOTIFICATION_PROMO);
-  } else {
-    web_resource::NotificationPromo notification_promo(
-        g_browser_process->local_state());
-    notification_promo.InitFromPrefs(
-        web_resource::NotificationPromo::NTP_NOTIFICATION_PROMO);
-    if (notification_promo.CanShow()) {
-      load_time_data.SetString("notificationPromoText",
-                               notification_promo.promo_text());
-      DVLOG(1) << "Notification promo:" << notification_promo.promo_text();
-    }
-
-    web_resource::NotificationPromo bubble_promo(
-        g_browser_process->local_state());
-    bubble_promo.InitFromPrefs(
-        web_resource::NotificationPromo::NTP_BUBBLE_PROMO);
-    if (bubble_promo.CanShow()) {
-      load_time_data.SetString("bubblePromoText",
-                               bubble_promo.promo_text());
-      DVLOG(1) << "Bubble promo:" << bubble_promo.promo_text();
-    }
-  }
-
   load_time_data.SetBoolean(
       "isUserSignedIn",
       SigninManagerFactory::GetForProfile(profile_)->IsAuthenticated());
 
   // Load the new tab page appropriate for this build.
   base::StringPiece new_tab_html(ResourceBundle::GetSharedInstance().
       GetRawDataResource(IDR_NEW_TAB_4_HTML));
   std::string full_html =
       webui::GetI18nTemplateHtml(new_tab_html, &load_time_data);
   new_tab_html_ = base::RefCountedString::TakeString(&full_html);
@@ skipping 103 matching lines @@
   // Get our template.
   static const base::StringPiece new_tab_theme_css(
       ResourceBundle::GetSharedInstance().GetRawDataResource(
           IDR_NEW_TAB_4_THEME_CSS));
 
   // Create the string from our template and the replacements.
   std::string css_string =
       ui::ReplaceTemplateExpressions(new_tab_theme_css, substitutions);
   new_tab_css_ = base::RefCountedString::TakeString(&css_string);
 }