Convert utility process WiFi Credentials IPC to mojo

chrome/common/extensions/chrome_utility_extensions_messages.h

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // Multiply-included message file, so no include guard.
 
 #include <stdint.h>
 
 #include <string>
 #include <vector>
@@ skipping 150 matching lines @@
 // Reply when a write or verify operation has been fully cancelled.
 IPC_MESSAGE_CONTROL0(ChromeUtilityHostMsg_ImageWriter_Cancelled)
 
 // Reply when a write or verify operation fails to complete.
 IPC_MESSAGE_CONTROL1(ChromeUtilityHostMsg_ImageWriter_Failed,
                      std::string /* message */)
 
 // Periodic status update about the progress of an operation.
 IPC_MESSAGE_CONTROL1(ChromeUtilityHostMsg_ImageWriter_Progress,
                      int64_t /* number of bytes processed */)
-
-#if defined(OS_WIN)
-// Get plain-text WiFi credentials from the system (requires UAC privilege
-// elevation).
-IPC_MESSAGE_CONTROL1(ChromeUtilityHostMsg_GetWiFiCredentials,
-                     std::string /* ssid */)
-
-// Reply after getting WiFi credentials from the system. |success| is false if
-// error occurred.
-IPC_MESSAGE_CONTROL2(ChromeUtilityHostMsg_GotWiFiCredentials,
-                     std::string /* key_data */,
-                     bool /* success */)
-#endif  // defined(OS_WIN)