Implement Networking Private API VerifyAndEncryptCredentials method

components/wifi/wifi_test.cc

Index: components/wifi/wifi_test.cc
diff --git a/components/wifi/wifi_test.cc b/components/wifi/wifi_test.cc
index c8875ba59f8efaaf30b39c93caa85502f8c55d17..b5e069094257cd00b8509a16268fcc296f6f4b91 100644
--- a/components/wifi/wifi_test.cc
+++ b/components/wifi/wifi_test.cc
@@ -66,6 +66,7 @@ WiFiTest::Result WiFiTest::Main(int argc, const char* argv[]) {
   if (!ParseCommandLine(argc, argv)) {
     VLOG(0) <<  "Usage: " << argv[0] <<
                 " [--list]"
+                " [--get_password]"
                 " [--get_properties]"
                 " [--create]"
                 " [--connect]"
@@ -190,6 +191,19 @@ bool WiFiTest::ParseCommandLine(int argc, const char* argv[]) {
     }
   }
 
+  if (parsed_command_line.HasSwitch("get_password")) {
+    if (network_guid.length() > 0) {
+      std::string error;
+      std::string password;
+      wifi_service->GetPassphraseFromSystem(network_guid,
+                                            std::string(),
+                                            &password,
+                                            &error);
+      VLOG(0) << password << error;
+      return true;
+    }
+  }
+
   return false;
 }