Don't generate a certificate browse button or passphrase field if cert path contains SETTINGS:

chrome/browser/chromeos/cros/mock_network_library.h

Index: chrome/browser/chromeos/cros/mock_network_library.h
diff --git a/chrome/browser/chromeos/cros/mock_network_library.h b/chrome/browser/chromeos/cros/mock_network_library.h
index a6e1bb92c603141b945e3203c8c60deec132b0dd..3123ab0bf1c81035dd2919720f95b41202ff725b 100644
--- a/chrome/browser/chromeos/cros/mock_network_library.h
+++ b/chrome/browser/chromeos/cros/mock_network_library.h
@@ -45,10 +45,14 @@ class MockNetworkLibrary : public NetworkLibrary {
   MOCK_METHOD0(ConnectToPreferredNetworkIfAvailable, bool(void));
   MOCK_METHOD0(PreferredNetworkConnected, bool(void));
   MOCK_METHOD0(PreferredNetworkFailed, bool(void));
-  MOCK_METHOD4(ConnectToWifiNetwork, void(WifiNetwork, const string16&,
-                                          const string16&, const string16&));
-  MOCK_METHOD5(ConnectToWifiNetwork, void(const string16&, const string16&,
-                                          const string16&, const string16&,
+  MOCK_METHOD4(ConnectToWifiNetwork, void(WifiNetwork,
+                                          const std::string&,
+                                          const std::string&,
+                                          const std::string&));
+  MOCK_METHOD5(ConnectToWifiNetwork, void(const std::string&,
+                                          const std::string&,
+                                          const std::string&,
+                                          const std::string&,
                                           bool));
   MOCK_METHOD1(ConnectToCellularNetwork, void(CellularNetwork));
   MOCK_METHOD1(DisconnectFromWirelessNetwork, void(const WirelessNetwork&));