Set user-visible machine names and devices types for synced sessions.

chrome/browser/sessions/session_types.h

Index: chrome/browser/sessions/session_types.h
diff --git a/chrome/browser/sessions/session_types.h b/chrome/browser/sessions/session_types.h
index fd52cb99f0936b382de58df7f380be07c5a3c646..4edf1e92cfcc76eb43da2ee965a0c688ee845387 100644
--- a/chrome/browser/sessions/session_types.h
+++ b/chrome/browser/sessions/session_types.h
@@ -197,15 +197,4 @@ struct SessionWindow {
   DISALLOW_COPY_AND_ASSIGN(SessionWindow);
 };
 
-// Defines a synced session for use by session sync. A synced session is a
-// list of windows along with a unique session identifer (tag).
-struct SyncedSession {
-  SyncedSession();
-  ~SyncedSession();
-
-  // Unique tag for each session.
-  std::string session_tag;
-  std::vector<SessionWindow*> windows;
-};
-
 #endif  // CHROME_BROWSER_SESSIONS_SESSION_TYPES_H_