Make PermissionRequest::GetIconId return different types

chrome/browser/custom_handlers/register_protocol_handler_permission_request.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.
 
 #ifndef CHROME_BROWSER_CUSTOM_HANDLERS_REGISTER_PROTOCOL_HANDLER_PERMISSION_REQUEST_H_
 #define CHROME_BROWSER_CUSTOM_HANDLERS_REGISTER_PROTOCOL_HANDLER_PERMISSION_REQUEST_H_
 
 #include "base/macros.h"
 #include "chrome/browser/permissions/permission_request.h"
 #include "chrome/common/custom_handlers/protocol_handler.h"
 
 class ProtocolHandlerRegistry;
 
 // This class provides display data for a permission request, shown when a page
 // wants to register a protocol handler and was triggered by a user action.
 class RegisterProtocolHandlerPermissionRequest : public PermissionRequest {
  public:
   RegisterProtocolHandlerPermissionRequest(
       ProtocolHandlerRegistry* registry,
       const ProtocolHandler& handler,
       GURL url,
       bool user_gesture);
   ~RegisterProtocolHandlerPermissionRequest() override;
 
  private:
   // PermissionRequest:
-  gfx::VectorIconId GetVectorIconId() const override;
-  int GetIconId() const override;
+  IconId GetIconId() const override;
   base::string16 GetMessageTextFragment() const override;
   GURL GetOrigin() const override;
   void PermissionGranted() override;
   void PermissionDenied() override;
   void Cancelled() override;
   void RequestFinished() override;
   PermissionRequestType GetPermissionRequestType() const override;
 
   ProtocolHandlerRegistry* registry_;
   ProtocolHandler handler_;
   GURL origin_;
 
   DISALLOW_COPY_AND_ASSIGN(RegisterProtocolHandlerPermissionRequest);
 };
 
 #endif  // CHROME_BROWSER_CUSTOM_HANDLERS_REGISTER_PROTOCOL_HANDLER_PERMISSION_REQUEST_H_