Convert UserPolicySigninService to use OAuth2TokenService

chrome/browser/signin/fake_profile_oauth2_token_service.h

+// 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.
+#ifndef CHROME_BROWSER_SIGNIN_FAKE_PROFILE_OAUTH2_TOKEN_SERVICE_H_
+#define CHROME_BROWSER_SIGNIN_FAKE_PROFILE_OAUTH2_TOKEN_SERVICE_H_
+
+#include "chrome/browser/signin/profile_oauth2_token_service.h"
+
+namespace content {
+class BrowserContext;
+}
+
+// Helper class to simplify writing unittests that depend on an instance of
+// ProfileOAuth2TokenService.
+class FakeProfileOAuth2TokenService : public ProfileOAuth2TokenService {
+ public:
+  struct PendingRequest {
+    std::string client_id;
+    std::string client_secret;
+    ScopeSet scopes;
+    base::WeakPtr<RequestImpl> request;
+  };
+
+  FakeProfileOAuth2TokenService();
+  ~FakeProfileOAuth2TokenService();
+
+  // Sets the current refresh token (for signed in profiles). If |token| is
+  // non-empty, this will fire OnRefreshTokenAvailable() on any Observers.
+  // OnRefreshTokensLoaded() will always be invoked (so tests can mimic a
+  // missing refresh token by passing in an empty string).
+  void IssueRefreshToken(const std::string& token);
+
+  // Gets a list of active requests (can be used by tests to validate that the
+  // correct request has been issued).
+  std::vector<PendingRequest> GetPendingRequests();
+
+  // Helper routines to issue tokens for pending requests (also removes the
+  // request from our queue of pending requests).
+  void IssueTokenForScope(const ScopeSet& scope,
+                          const std::string& access_token,
+                          const base::Time& expiration);
+  void IssueErrorForScope(const ScopeSet& scope,
+                          const GoogleServiceAuthError& error);
+
+  virtual void Shutdown() OVERRIDE;
+
+  // Helper function to be used with
+  // BrowserContextKeyedService::SetTestingFactory().
+  static BrowserContextKeyedService* Build(content::BrowserContext* profile);
+
+ protected:
+  // OAuth2TokenService overrides.
+  virtual void FetchOAuth2Token(RequestImpl* request,
+                                net::URLRequestContextGetter* getter,
+                                const std::string& client_id,
+                                const std::string& client_secret,
+                                const ScopeSet& scopes) OVERRIDE;
+
+  virtual std::string GetRefreshToken() OVERRIDE;
+
+  virtual net::URLRequestContextGetter* GetRequestContext() OVERRIDE;
+
+ private:
+  void CompleteRequests(const ScopeSet& scopes,
+                        const GoogleServiceAuthError& error,
+                        const std::string& access_token,
+                        const base::Time& expiration);
+
+  std::vector<PendingRequest> pending_requests_;
+  std::string refresh_token_;
+};
+
+#endif  // CHROME_BROWSER_SIGNIN_FAKE_PROFILE_OAUTH2_TOKEN_SERVICE_H_