settings: Make DeviceOAuth2TokenServiceFactory::Get() async

chrome/browser/extensions/api/identity/identity_api.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_API_IDENTITY_IDENTITY_API_H_
 #define CHROME_BROWSER_EXTENSIONS_API_IDENTITY_IDENTITY_API_H_
 
 #include <map>
 #include <set>
 #include <string>
@@ skipping 11 matching lines @@
 #include "chrome/browser/extensions/api/profile_keyed_api_factory.h"
 #include "chrome/browser/extensions/extension_function.h"
 #include "chrome/browser/signin/signin_global_error.h"
 #include "google_apis/gaia/oauth2_mint_token_flow.h"
 #include "google_apis/gaia/oauth2_token_service.h"
 
 class GoogleServiceAuthError;
 class MockGetAuthTokenFunction;
 class Profile;
 
+#if defined(OS_CHROMEOS)

[pneubeck (no reviews), 2013/10/22 09:05:03]

nit: if-defined not strictly necessary

[satorux1, 2013/10/22 09:56:43]

Probably it's a good idea to have #ifdef to make it clear that this code is only
for chromeos.

+namespace chromeos {
+class DeviceOAuth2TokenService;
+}
+#endif
+
 namespace extensions {
 
 class GetAuthTokenFunctionTest;
 class MockGetAuthTokenFunction;
 
 namespace identity_constants {
 extern const char kInvalidClientId[];
 extern const char kInvalidScopes[];
 extern const char kAuthFailure[];
 extern const char kNoGrant[];
@@ skipping 85 matching lines @@
   virtual void OnGetTokenFailure(const OAuth2TokenService::Request* request,
                                  const GoogleServiceAuthError& error) OVERRIDE;
 
   // Starts a login access token request.
   virtual void StartLoginAccessTokenRequest();
 
 #if defined(OS_CHROMEOS)
   // Starts a login access token request for device robot account. This method
   // will be called only in enterprise kiosk mode in ChromeOS.
   virtual void StartDeviceLoginAccessTokenRequest();
+
+  // Continuation of StartDeviceLoginAccessTokenRequest().
+  virtual void DidGetTokenService(chromeos::DeviceOAuth2TokenService* service);
 #endif
 
   // Starts a mint token request to GAIA.
   void StartGaiaRequest(const std::string& login_access_token);
 
   // Methods for invoking UI. Overridable for testing.
   virtual void ShowLoginPopup();
   virtual void ShowOAuthApprovalDialog(const IssueAdviceInfo& issue_advice);
   // Caller owns the returned instance.
   virtual OAuth2MintTokenFlow* CreateMintTokenFlow(
@@ skipping 152 matching lines @@
   AccountTracker account_tracker_;
   IdentityEventRouter identity_event_router_;
 };
 
 template <>
 void ProfileKeyedAPIFactory<IdentityAPI>::DeclareFactoryDependencies();
 
 }  // namespace extensions
 
 #endif  // CHROME_BROWSER_EXTENSIONS_API_IDENTITY_IDENTITY_API_H_