Wire up the identity API for enterprise Kiosk Apps.

chrome/browser/extensions/api/identity/identity_api.h

Index: chrome/browser/extensions/api/identity/identity_api.h
diff --git a/chrome/browser/extensions/api/identity/identity_api.h b/chrome/browser/extensions/api/identity/identity_api.h
index 9239ed402bf7ca291878dd4d9515507833bf6eca..a04a01dce7a524d203466aba431e35e17f8735d3 100644
--- a/chrome/browser/extensions/api/identity/identity_api.h
+++ b/chrome/browser/extensions/api/identity/identity_api.h
@@ -19,10 +19,12 @@
 #include "chrome/browser/extensions/api/identity/web_auth_flow.h"
 #include "chrome/browser/extensions/api/profile_keyed_api_factory.h"
 #include "chrome/browser/extensions/extension_function.h"
+#include "chrome/browser/signin/oauth2_token_service.h"
 #include "chrome/browser/signin/signin_global_error.h"
 #include "google_apis/gaia/oauth2_mint_token_flow.h"
 
 class GoogleServiceAuthError;
+class MockGetAuthTokenFunction;
 class Profile;
 class SigninManagerBase;
 
@@ -65,7 +67,8 @@ class IdentityGetAuthTokenFunction : public AsyncExtensionFunction,
                                      public GaiaWebAuthFlow::Delegate,
                                      public IdentityMintRequestQueue::Request,
                                      public OAuth2MintTokenFlow::Delegate,
-                                     public IdentitySigninFlow::Delegate {
+                                     public IdentitySigninFlow::Delegate,
+                                     public OAuth2TokenService::Consumer {
  public:
   DECLARE_EXTENSION_FUNCTION("identity.getAuthToken",
                              EXPERIMENTAL_IDENTITY_GETAUTHTOKEN);
@@ -116,6 +119,13 @@ class IdentityGetAuthTokenFunction : public AsyncExtensionFunction,
   virtual void OnGaiaFlowCompleted(const std::string& access_token,
                                    const std::string& expiration) OVERRIDE;
 
+  // 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;
+
   // Starts a mint token request to GAIA.
   void StartGaiaRequest(OAuth2MintTokenFlow::Mode mode);
 
@@ -147,6 +157,7 @@ class IdentityGetAuthTokenFunction : public AsyncExtensionFunction,
   IssueAdviceInfo issue_advice_;
   scoped_ptr<GaiaWebAuthFlow> gaia_web_auth_flow_;
   scoped_ptr<IdentitySigninFlow> signin_flow_;
+  scoped_ptr<OAuth2TokenService::Request> device_token_request_;
 };
 
 class IdentityRemoveCachedAuthTokenFunction : public SyncExtensionFunction {