Fix implicit access to raw pointer of scoped_refptr.

chrome/browser/themes/theme_service.cc

 // Copyright (c) 2012 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/themes/theme_service.h"
 
 #include <stddef.h>
 
 #include <algorithm>
 
@@ skipping 550 matching lines @@
   bool loaded_pack = false;
 
   // If we don't have a file pack, we're updating from an old version, or the
   // pack was created for an alternative MaterialDesignController::Mode.
   base::FilePath path = prefs->GetFilePath(prefs::kCurrentThemePackFilename);
   if (path != base::FilePath()) {
     path = path.Append(ui::MaterialDesignController::IsModeMaterial()
                            ? chrome::kThemePackMaterialDesignFilename
                            : chrome::kThemePackFilename);
     SwapThemeSupplier(BrowserThemePack::BuildFromDataPack(path, current_id));
-    loaded_pack = theme_supplier_ != nullptr;
+    if (theme_supplier_)
+      loaded_pack = true;
   }
 
   if (loaded_pack) {
     content::RecordAction(UserMetricsAction("Themes.Loaded"));
     set_ready();
   }
   // Else: wait for the extension service to be ready so that the theme pack
   // can be recreated from the extension.
 }
 
@@ skipping 277 matching lines @@
 
 #if defined(ENABLE_SUPERVISED_USERS)
 bool ThemeService::IsSupervisedUser() const {
   return profile_->IsSupervised();
 }
 
 void ThemeService::SetSupervisedUserTheme() {
   SetCustomDefaultTheme(new SupervisedUserTheme);
 }
 #endif