Expose full userinfo to callers of GaiaOAuthFetcher.

google_apis/gaia/gaia_constants.cc

Index: google_apis/gaia/gaia_constants.cc
diff --git a/google_apis/gaia/gaia_constants.cc b/google_apis/gaia/gaia_constants.cc
index 95a5945f74e9669161e9df8c223d31801343130d..d3d0cd9cc95facb5217d11ed3c80203e942401ce 100644
--- a/google_apis/gaia/gaia_constants.cc
+++ b/google_apis/gaia/gaia_constants.cc
@@ -45,7 +45,12 @@ const char kChromeSyncSupervisedOAuth2Scope[] =
 const char kGoogleTalkOAuth2Scope[] =
     "https://www.googleapis.com/auth/googletalk";
 
-// Used to mint uber auth tokens when needed.
+const char kGoogleUserInfoEmail[] =
+    "https://www.googleapis.com/auth/userinfo.email";
+const char kGoogleUserInfoProfile[] =
+    "https://www.googleapis.com/auth/userinfo.profile";
+
+ // Used to mint uber auth tokens when needed.
 const char kGaiaSid[] = "sid";
 const char kGaiaLsid[] = "lsid";
 const char kGaiaOAuthToken[] = "oauthToken";