Indicate which authentication flow was used in UserContext

chrome/browser/chromeos/login/user.h

Index: chrome/browser/chromeos/login/user.h
diff --git a/chrome/browser/chromeos/login/user.h b/chrome/browser/chromeos/login/user.h
index c61c0bb8f6a2c8e02426e7e10a33862e84230c6d..faf591395f62be3b96eadd8f61ae98df5b40ca8b 100644
--- a/chrome/browser/chromeos/login/user.h
+++ b/chrome/browser/chromeos/login/user.h
@@ -24,6 +24,16 @@ extern const int kDefaultImagesCount;
 // back once user homedir is mounted. |username_hash| is used to identify
 // user homedir mount point.
 struct UserContext {
+  // The authentication flow used during sign-in.
+  enum AuthFlow {
+    // Online authentication against GAIA. GAIA did not redirect to a SAML IdP.
+    AUTH_FLOW_GAIA_WITHOUT_SAML,
+    // Online authentication against GAIA. GAIA redirected to a SAML IdP.
+    AUTH_FLOW_GAIA_WITH_SAML,
+    // Offline authentication against a cached password.
+    AUTH_FLOW_OFFLINE
+  };
+
   UserContext();
   UserContext(const std::string& username,
               const std::string& password,
@@ -36,7 +46,8 @@ struct UserContext {
               const std::string& password,
               const std::string& auth_code,
               const std::string& username_hash,
-              bool using_oauth);
+              bool using_oauth,
+              AuthFlow auth_flow);
   virtual ~UserContext();
   bool operator==(const UserContext& context) const;
   std::string username;
@@ -44,6 +55,7 @@ struct UserContext {
   std::string auth_code;
   std::string username_hash;
   bool using_oauth;
+  AuthFlow auth_flow;
 };
 
 // A class representing information about a previously logged in user.
@@ -150,15 +162,15 @@ class User {
   // True if image is being loaded from file.
   bool image_is_loading() const { return image_is_loading_; }
 
-  // OAuth token status for this user.
-  OAuthTokenStatus oauth_token_status() const { return oauth_token_status_; }
-
   // The displayed user name.
   base::string16 display_name() const { return display_name_; }
 
   // The displayed (non-canonical) user email.
   virtual std::string display_email() const;
 
+  // OAuth token status for this user.
+  OAuthTokenStatus oauth_token_status() const { return oauth_token_status_; }
+
   // True if the user's session can be locked (i.e. the user has a password with
   // which to unlock the session).
   virtual bool can_lock() const;
@@ -211,10 +223,6 @@ class User {
   // If |is_loading| is |true|, that means user image is being loaded from file.
   void SetStubImage(int image_index, bool is_loading);
 
-  void set_oauth_token_status(OAuthTokenStatus status) {
-    oauth_token_status_ = status;
-  }
-
   void set_display_name(const base::string16& display_name) {
     display_name_ = display_name;
   }
@@ -227,6 +235,10 @@ class User {
 
   const UserImage& user_image() const { return user_image_; }
 
+  void set_oauth_token_status(OAuthTokenStatus status) {
+    oauth_token_status_ = status;
+  }
+
   void set_username_hash(const std::string& username_hash) {
     username_hash_ = username_hash;
   }