Remove chrome/ code to handle App Notifications

chrome/browser/extensions/app_notify_channel_setup.h

-// 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_APP_NOTIFY_CHANNEL_SETUP_H_
-#define CHROME_BROWSER_EXTENSIONS_APP_NOTIFY_CHANNEL_SETUP_H_
-
-#include <string>
-
-#include "base/memory/ref_counted.h"
-#include "base/memory/scoped_ptr.h"
-#include "base/memory/weak_ptr.h"
-#include "chrome/browser/extensions/app_notify_channel_ui.h"
-#include "google_apis/gaia/oauth2_access_token_consumer.h"
-#include "google_apis/gaia/oauth2_access_token_fetcher.h"
-#include "googleurl/src/gurl.h"
-#include "net/url_request/url_fetcher.h"
-#include "net/url_request/url_fetcher_delegate.h"
-
-class Profile;
-
-namespace extensions {
-class AppNotifyChannelSetupTest;
-
-// This class uses the browser login credentials to setup app notifications
-// for a given app.
-//
-// Performs the following steps when Start() is called:
-// 1. If the user is not logged in, prompt the user to login.
-// 2. OAuth2: Record a notifications grant for the user and the given app.
-// 3. Get notifications channel id for the current user.
-// 4. Call the delegate passed in to the constructor with the results of
-//    the above steps.
-class AppNotifyChannelSetup
-    : public net::URLFetcherDelegate,
-      public AppNotifyChannelUI::Delegate,
-      public OAuth2AccessTokenConsumer,
-      public base::RefCountedThreadSafe<AppNotifyChannelSetup> {
- public:
-  // These are the various error conditions, made public for use by the test
-  // interceptor.
-  enum SetupError {
-    NONE,
-    AUTH_ERROR,
-    INTERNAL_ERROR,
-    USER_CANCELLED,
-
-    // This is used for histograms, and should always be the last value.
-    SETUP_ERROR_BOUNDARY
-  };
-
-  class Delegate {
-   public:
-    // If successful, |channel_id| will be non-empty. On failure, |channel_id|
-    // will be empty and |error| will contain an error to report to the JS
-    // callback.
-    virtual void AppNotifyChannelSetupComplete(
-        const std::string& channel_id,
-        const std::string& error,
-        const AppNotifyChannelSetup* setup) = 0;
-  };
-
-  // For tests, we allow intercepting the request to setup the channel and
-  // forcing the return of a certain result to the delegate.
-  class InterceptorForTests {
-   public:
-    virtual void DoIntercept(
-        const AppNotifyChannelSetup* setup,
-        std::string* result_channel_id,
-        AppNotifyChannelSetup::SetupError* result_error) = 0;
-  };
-  static void SetInterceptorForTests(InterceptorForTests* interceptor);
-
-  // Ownership of |ui| is transferred to this object.
-  AppNotifyChannelSetup(Profile* profile,
-                        const std::string& extension_id,
-                        const std::string& client_id,
-                        const GURL& requestor_url,
-                        int return_route_id,
-                        int callback_id,
-                        AppNotifyChannelUI* ui,
-                        base::WeakPtr<Delegate> delegate);
-
-  AppNotifyChannelUI* ui() { return ui_.get(); }
-
-  // This begins the process of fetching the channel id using the browser login
-  // credentials (or using |ui_| to prompt for login if needed).
-  void Start();
-
-  // OAuth2AccessTokenConsumer implementation.
-  virtual void OnGetTokenSuccess(const std::string& access_token,
-                                 const base::Time& expiration_time) OVERRIDE;
-  virtual void OnGetTokenFailure(const GoogleServiceAuthError& error) OVERRIDE;
-
-
-  // Getters for various members.
-  const std::string& extension_id() const { return extension_id_; }
-  const std::string& client_id() const { return client_id_; }
-  int return_route_id() const { return return_route_id_; }
-  int callback_id() const { return callback_id_; }
-
- protected:
-  // net::URLFetcherDelegate.
-  virtual void OnURLFetchComplete(const net::URLFetcher* source) OVERRIDE;
-
-  // AppNotifyChannelUI::Delegate.
-  virtual void OnSyncSetupResult(bool enabled) OVERRIDE;
-
- private:
-  enum State {
-    INITIAL,
-    LOGIN_STARTED,
-    LOGIN_DONE,
-    FETCH_ACCESS_TOKEN_STARTED,
-    FETCH_ACCESS_TOKEN_DONE,
-    RECORD_GRANT_STARTED,
-    RECORD_GRANT_DONE,
-    CHANNEL_ID_SETUP_STARTED,
-    CHANNEL_ID_SETUP_DONE,
-    ERROR_STATE
-  };
-
-  friend class base::RefCountedThreadSafe<AppNotifyChannelSetup>;
-  friend class AppNotifyChannelSetupTest;
-
-  virtual ~AppNotifyChannelSetup();
-
-  // Creates an instance of URLFetcher that does not send or save cookies.
-  // The URLFether's method will be GET if body is empty, POST otherwise.
-  // Caller owns the returned instance.
-  net::URLFetcher* CreateURLFetcher(
-    const GURL& url, const std::string& body, const std::string& auth_token);
-  void BeginLogin();
-  void EndLogin(bool success);
-  void BeginGetAccessToken();
-  void EndGetAccessToken(bool success);
-  void BeginRecordGrant();
-  void EndRecordGrant(const net::URLFetcher* source);
-  void BeginGetChannelId();
-  void EndGetChannelId(const net::URLFetcher* source);
-
-  void ReportResult(const std::string& channel_id, SetupError error);
-
-  static std::string GetErrorString(SetupError error);
-  static GURL GetCWSChannelServiceURL();
-  static GURL GetOAuth2IssueTokenURL();
-  static std::string MakeOAuth2IssueTokenBody(
-      const std::string& oauth_client_id, const std::string& extension_id);
-  static std::string MakeAuthorizationHeader(const std::string& auth_token);
-  static bool ParseCWSChannelServiceResponse(
-      const std::string& data, std::string* result);
-  // Checks if the user needs to be prompted for login.
-  bool ShouldPromptForLogin() const;
-  void RegisterForTokenServiceNotifications();
-  void UnregisterForTokenServiceNotifications();
-
-  Profile* profile_;
-  std::string extension_id_;
-  std::string client_id_;
-  GURL requestor_url_;
-  int return_route_id_;
-  int callback_id_;
-  base::WeakPtr<Delegate> delegate_;
-  scoped_ptr<net::URLFetcher> url_fetcher_;
-  scoped_ptr<OAuth2AccessTokenFetcher> oauth2_fetcher_;
-  scoped_ptr<AppNotifyChannelUI> ui_;
-  State state_;
-  std::string oauth2_access_token_;
-  // Keeps track of whether we have encountered failure in OAuth2 access
-  // token generation already. We use this to prevent us from doing an
-  // infinite loop of trying to generate access token, if that fails, try
-  // to login the user and generate access token, etc.
-  bool oauth2_access_token_failure_;
-
-  DISALLOW_COPY_AND_ASSIGN(AppNotifyChannelSetup);
-};
-
-}  // namespace extensions
-
-#endif  // CHROME_BROWSER_EXTENSIONS_APP_NOTIFY_CHANNEL_SETUP_H_