Make PermissionRequest::GetIconId return different types

chrome/browser/permissions/permission_request_manager.cc

 // 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.
 
 #include "chrome/browser/permissions/permission_request_manager.h"
 
 #include <algorithm>
 
 #include "base/command_line.h"
 #include "base/metrics/user_metrics_action.h"
 #include "build/build_config.h"
 #include "chrome/browser/permissions/permission_request.h"
 #include "chrome/browser/permissions/permission_uma_util.h"
 #include "chrome/common/chrome_switches.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/navigation_details.h"
 #include "content/public/browser/user_metrics.h"
 #include "url/origin.h"
 
 namespace {
 
 class CancelledRequest : public PermissionRequest {
  public:
   explicit CancelledRequest(PermissionRequest* cancelled)
       : icon_(cancelled->GetIconId()),
         message_fragment_(cancelled->GetMessageTextFragment()),
         origin_(cancelled->GetOrigin()) {}
   ~CancelledRequest() override {}
 
-  int GetIconId() const override { return icon_; }
+  IconId GetIconId() const override { return icon_; }
   base::string16 GetMessageTextFragment() const override {
     return message_fragment_;
   }
   GURL GetOrigin() const override { return origin_; }
 
   // These are all no-ops since the placeholder is non-forwarding.
   void PermissionGranted() override {}
   void PermissionDenied() override {}
   void Cancelled() override {}
 
   void RequestFinished() override { delete this; }
 
  private:
-  int icon_;
+  IconId icon_;
   base::string16 message_fragment_;
   GURL origin_;
 };
 
 bool IsMessageTextEqual(PermissionRequest* a,
                         PermissionRequest* b) {
   if (a == b)
     return true;
   if (a->GetMessageTextFragment() == b->GetMessageTextFragment() &&
       a->GetOrigin() == b->GetOrigin()) {
@@ skipping 459 matching lines @@
     case DENY_ALL:
       Deny();
       break;
     case DISMISS:
       Closing();
       break;
     case NONE:
       NOTREACHED();
   }
 }