Add permission request creator class.

chrome/browser/managed_mode/permission_request_creator_apiary.h

+// Copyright 2014 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_MANAGED_MODE_PERMISSION_REQUEST_CREATOR_APIARY_H_
+#define CHROME_BROWSER_MANAGED_MODE_PERMISSION_REQUEST_CREATOR_APIARY_H_
+
+#include "chrome/browser/managed_mode/permission_request_creator.h"
+
+#include "base/memory/scoped_ptr.h"
+#include "google_apis/gaia/oauth2_token_service.h"
+#include "net/url_request/url_fetcher_delegate.h"
+
+class ManagedUserSigninManagerWrapper;
+class Profile;
+
+namespace base {
+class Time;
+}
+
+namespace net {
+class URLFetcher;
+class URLRequestContextGetter;
+}
+
+class PermissionRequestCreatorApiary
+    : public PermissionRequestCreator,
+      public OAuth2TokenService::Consumer,
+      public net::URLFetcherDelegate {
+ public:
+  PermissionRequestCreatorApiary(
+      OAuth2TokenService* oauth2_token_service,
+      scoped_ptr<ManagedUserSigninManagerWrapper> signin_wrapper,
+      net::URLRequestContextGetter* context);
+  virtual ~PermissionRequestCreatorApiary();
+
+  static scoped_ptr<PermissionRequestCreator> CreateWithProfile(
+      Profile* profile);
+
+  // PermissionRequestCreator implementation:
+  virtual void CreatePermissionRequest(
+      const std::string& url_requested,
+      const base::Closure& callback) OVERRIDE;
+
+ private:
+  // OAuth2TokenService::Consumer implementation:
+  virtual void OnGetTokenSuccess(const OAuth2TokenService::Request* request,
+                                 const std::string& access_token,
+                                 const base::Time& expiration_time) OVERRIDE;
+  virtual void OnGetTokenFailure(const OAuth2TokenService::Request* request,
+                                 const GoogleServiceAuthError& error) OVERRIDE;
+
+  // net::URLFetcherDelegate implementation.
+  virtual void OnURLFetchComplete(const net::URLFetcher* source) OVERRIDE;
+
+  // Requests an access token, which is the first thing we need. This is where
+  // we restart when the returned access token has expired.
+  void StartFetching();
+
+  void DispatchNetworkError(int error_code);
+  void DispatchGoogleServiceAuthError(const GoogleServiceAuthError& error);
+
+  OAuth2TokenService* oauth2_token_service_;
+  scoped_ptr<ManagedUserSigninManagerWrapper> signin_wrapper_;
+  base::Closure callback_;
+  net::URLRequestContextGetter* context_;
+  std::string url_requested_;
+  scoped_ptr<OAuth2TokenService::Request> access_token_request_;
+  std::string access_token_;
+  bool access_token_expired_;
+  scoped_ptr<net::URLFetcher> url_fetcher_;
+};
+
+#endif  // CHROME_BROWSER_MANAGED_MODE_PERMISSION_REQUEST_CREATOR_APIARY_H_