Remove support in ProfileIOData for one click sign in which is no longer used.

chrome/browser/profiles/profile_io_data.h

Index: chrome/browser/profiles/profile_io_data.h
diff --git a/chrome/browser/profiles/profile_io_data.h b/chrome/browser/profiles/profile_io_data.h
index 1cbb9be15d80abc2d4100608e08b9018e3517167..c1268a2d44fd46c79b3019fb107e625028887840 100644
--- a/chrome/browser/profiles/profile_io_data.h
+++ b/chrome/browser/profiles/profile_io_data.h
@@ -148,30 +148,6 @@ class ProfileIOData {
     return &google_services_user_account_id_;
   }
 
-  StringPrefMember* google_services_username() const {
-    return &google_services_username_;
-  }
-
-  StringPrefMember* google_services_username_pattern() const {
-    return &google_services_username_pattern_;
-  }
-
-  BooleanPrefMember* reverse_autologin_enabled() const {
-    return &reverse_autologin_enabled_;
-  }
-
-  const std::string& reverse_autologin_pending_email() const {
-    return reverse_autologin_pending_email_;
-  }
-
-  void set_reverse_autologin_pending_email(const std::string& email) {
-    reverse_autologin_pending_email_ = email;
-  }
-
-  StringListPrefMember* one_click_signin_rejected_email_list() const {
-    return &one_click_signin_rejected_email_list_;
-  }
-
   net::URLRequestContext* extensions_request_context() const {
     return extensions_request_context_.get();
   }
@@ -522,15 +498,6 @@ class ProfileIOData {
       client_cert_store_factory_;
 
   mutable StringPrefMember google_services_user_account_id_;
-  mutable StringPrefMember google_services_username_;
-  mutable StringPrefMember google_services_username_pattern_;
-  mutable BooleanPrefMember reverse_autologin_enabled_;
-
-  // During the reverse autologin request chain processing, this member saves
-  // the email of the google account that is being signed into.
-  std::string reverse_autologin_pending_email_;
-
-  mutable StringListPrefMember one_click_signin_rejected_email_list_;
 
   mutable scoped_refptr<MediaDeviceIDSalt> media_device_id_salt_;