Add right-click user switching tutorial bubble.

chrome/browser/profiles/profiles_state.h

Index: chrome/browser/profiles/profiles_state.h
diff --git a/chrome/browser/profiles/profiles_state.h b/chrome/browser/profiles/profiles_state.h
index 322a29a085dc039d14dbb4b7ed77b3fd9a4e4fe2..3b25c2c4476db301e1afa66b7e0a8feaf6aae3a1 100644
--- a/chrome/browser/profiles/profiles_state.h
+++ b/chrome/browser/profiles/profiles_state.h
@@ -92,6 +92,13 @@ bool SetActiveProfileToGuestIfLocked();
 // a BrowsingDataRemover to delete all the Profile's data.
 void RemoveBrowsingDataForProfile(const base::FilePath& profile_path);
 
+// Marks the right-click user switching tutorial dismissed state as |dismissed|.
+void SetFastUserSwitchingTutorialDismissedState(bool dismissed);
+
+// Returns true if the right-click user switching tutorial was previously
+// dismissed by a user, false otherwise.
+bool GetFastUserSwitchingTutorialDismissedState();
+
 }  // namespace profiles
 
 #endif  // CHROME_BROWSER_PROFILES_PROFILES_STATE_H_