Delete dead AppsPromo code

chrome/browser/extensions/apps_promo.h

Index: chrome/browser/extensions/apps_promo.h
diff --git a/chrome/browser/extensions/apps_promo.h b/chrome/browser/extensions/apps_promo.h
deleted file mode 100644
index 2fad19b265355b15d094943d6266a6c66930cd73..0000000000000000000000000000000000000000
--- a/chrome/browser/extensions/apps_promo.h
+++ /dev/null
@@ -1,177 +0,0 @@
-// Copyright (c) 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.
-
-#ifndef CHROME_BROWSER_EXTENSIONS_APPS_PROMO_H_
-#define CHROME_BROWSER_EXTENSIONS_APPS_PROMO_H_
-#pragma once
-
-#include <set>
-#include <string>
-
-#include "base/gtest_prod_util.h"
-#include "chrome/common/extensions/extension.h"
-#include "net/url_request/url_fetcher_delegate.h"
-
-class PrefService;
-class Profile;
-
-namespace net {
-class URLFetcher;
-}  // namespace net
-
-// This encapsulates business logic for:
-// - Whether to show the apps promo in the launcher
-// - Whether to expire existing default apps
-class AppsPromo {
- public:
-  // Groups users by whether they have seen a web store promo before. This is
-  // used for deciding to maximize the promo and apps section on the NTP.
-  enum UserGroup {
-    // Matches no users.
-    USERS_NONE = 0,
-
-    // Users who have not seen a promo (last promo id is default value).
-    USERS_NEW = 1,
-
-    // Users who have already seen a promo (last promo id is non-default).
-    USERS_EXISTING = 1 << 1,
-  };
-
-  // Holds all the data that specifies a promo for the apps section of the NTP.
-  struct PromoData {
-    PromoData();
-    PromoData(const std::string& id,
-              const std::string& header,
-              const std::string& button,
-              const GURL& link,
-              const std::string& expire,
-              const GURL& logo,
-              int user_group);
-    ~PromoData();
-
-    // See PromoResourceService::UnpackWebStoreSignal for descriptions of these
-    // fields.
-    std::string id;
-    std::string header;
-    std::string button;
-    GURL link;
-    std::string expire;
-    GURL logo;
-    int user_group;
-  };
-
-  // Register our preferences. Parts of the promo content are stored in Local
-  // State since they're independent of the user profile.
-  static void RegisterPrefs(PrefService* local_state);
-  static void RegisterUserPrefs(PrefService* prefs);
-
-  // Returns true if a promo is available for the current locale.
-  static bool IsPromoSupportedForLocale();
-
-  // Returns true if the web store is active for the existing locale.
-  static bool IsWebStoreSupportedForLocale();
-
-  // Sets whether the web store and apps section is supported for the current
-  // locale.
-  static void SetWebStoreSupportedForLocale(bool supported);
-
-  // Accesses the current promo data. The default logo will be used if
-  // |promo_data.logo| is empty or not a valid 'data' URL.
-  static void ClearPromo();
-  static PromoData GetPromo();
-  static void SetPromo(const PromoData& promo_data);
-
-  // Gets the original URL of the logo. This should only be set when the logo
-  // was served over HTTPS.
-  static GURL GetSourcePromoLogoURL();
-  static void SetSourcePromoLogoURL(const GURL& original_url);
-
-  explicit AppsPromo(PrefService* prefs);
-  ~AppsPromo();
-
-  // Gets the set of old default apps that may have been installed by previous
-  // versions of Chrome.
-  const extensions::ExtensionIdSet& old_default_apps() const {
-    return old_default_app_ids_;
-  }
-
-  // Halts the special treatment of the default apps. The default apps may be
-  // removed by the caller after calling this method. If the apps remain
-  // installed, AppsPromo will no longer consider the apps "default".
-  void ExpireDefaultApps();
-
-  // Called to hide the promo from the apps section.
-  void HidePromo();
-
-  // Returns true if the app launcher should be displayed on the NTP.
-  bool ShouldShowAppLauncher(const extensions::ExtensionIdSet& installed_ids);
-
-  // Returns true if the apps promo should be displayed in the launcher.
-  bool ShouldShowPromo(const extensions::ExtensionIdSet& installed_ids,
-                       bool* just_expired);
-
- private:
-  FRIEND_TEST_ALL_PREFIXES(ExtensionAppsPromo, HappyPath);
-  FRIEND_TEST_ALL_PREFIXES(ExtensionAppsPromo, PromoPrefs);
-  FRIEND_TEST_ALL_PREFIXES(ExtensionAppsPromo, UpdatePromoFocus);
-
-  // The maximum number of times to show the apps promo. The promo counter
-  // actually goes up to this number + 1 because we need to differentiate
-  // between the first time we overflow and subsequent times.
-  static const int kDefaultAppsCounterMax;
-
-  bool GetDefaultAppsInstalled() const;
-
-  // Gets the UserGroup classification of the current user.
-  UserGroup GetCurrentUserGroup() const;
-
-  // Gets/sets the ID of the last promo shown.
-  std::string GetLastPromoId();
-  void SetLastPromoId(const std::string& id);
-
-  // Gets/sets the number of times the promo has been viewed. Promo views are
-  // only counted when the default apps are installed.
-  int GetPromoCounter() const;
-  void SetPromoCounter(int val);
-
-  // Our permanent state is stored in this PrefService instance.
-  PrefService* prefs_;
-
-  // The set of default extensions. Initialized to a static list in the
-  // constructor.
-  extensions::ExtensionIdSet old_default_app_ids_;
-
-  DISALLOW_COPY_AND_ASSIGN(AppsPromo);
-};
-
-// Fetches logos over HTTPS, making sure we don't send cookies and that we
-// cache the image until its source URL changes.
-class AppsPromoLogoFetcher : public net::URLFetcherDelegate {
- public:
-  AppsPromoLogoFetcher(Profile* profile,
-                       const AppsPromo::PromoData& promo_data);
-  virtual ~AppsPromoLogoFetcher();
-
-  virtual void OnURLFetchComplete(const net::URLFetcher* source) OVERRIDE;
-
- private:
-  // Fetches the logo and stores the result as a data URL.
-  void FetchLogo();
-
-  // Checks if the logo was downloaded previously.
-  bool HaveCachedLogo();
-
-  // Sets the apps promo based on the current data and then issues the
-  // WEB_STORE_PROMO_LOADED notification so open NTPs can inject the promo.
-  void SavePromo();
-
-  // Checks if the promo logo matches https://*.google.com/*.png.
-  bool SupportsLogoURL();
-
-  Profile* profile_;
-  AppsPromo::PromoData promo_data_;
-  scoped_ptr<net::URLFetcher> url_fetcher_;
-};
-
-#endif  // CHROME_BROWSER_EXTENSIONS_APPS_PROMO_H_