Move permission warning message handling from PermissionSet to PermissionMessageProvider.

chrome/browser/extensions/crx_installer.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/extensions/crx_installer.h"
 
 #include <map>
 #include <set>
 
 #include "base/bind.h"
@@ skipping 30 matching lines @@
 #include "chrome/common/extensions/manifest_handlers/kiosk_mode_info.h"
 #include "chrome/common/extensions/manifest_handlers/shared_module_info.h"
 #include "chrome/common/extensions/manifest_url_handler.h"
 #include "chrome/common/extensions/permissions/permission_set.h"
 #include "chrome/common/extensions/permissions/permissions_data.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/notification_service.h"
 #include "content/public/browser/resource_dispatcher_host.h"
 #include "content/public/browser/user_metrics.h"
 #include "extensions/common/manifest.h"
+#include "extensions/common/permissions/permission_message_provider.h"
 #include "extensions/common/user_script.h"
 #include "grit/chromium_strings.h"
 #include "grit/generated_resources.h"
 #include "grit/theme_resources.h"
 #include "third_party/skia/include/core/SkBitmap.h"
 #include "ui/base/l10n/l10n_util.h"
 #include "ui/base/resource/resource_bundle.h"
 
 #if defined(OS_CHROMEOS)
 #include "chrome/browser/chromeos/login/user_manager.h"
@@ skipping 204 matching lines @@
         std::string error;
         scoped_refptr<Extension> dummy_extension =
             Extension::Create(base::FilePath(),
                               install_source_,
                               *expected_manifest_->value(),
                               creation_flags_,
                               &error);
         if (error.empty()) {
           scoped_refptr<const PermissionSet> expected_permissions =
               PermissionsData::GetActivePermissions(dummy_extension.get());
-          valid = !(expected_permissions->HasLessPrivilegesThan(
-              PermissionsData::GetActivePermissions(extension),
-              extension->GetType()));
+          valid = !(PermissionMessageProvider::Get()->IsPrivilegeIncrease(
+                        expected_permissions,
+                        PermissionsData::GetActivePermissions(extension),
+                        extension->GetType()));
         }
       }
     }
     if (!valid)
       return CrxInstallerError(
           l10n_util::GetStringUTF16(IDS_EXTENSION_MANIFEST_INVALID));
   }
 
   // The checks below are skipped for themes and external installs.
   // TODO(pamg): After ManagementPolicy refactoring is complete, remove this
@@ skipping 543 matching lines @@
   if (!prefs->DidExtensionEscalatePermissions(extension()->id()))
     return;
 
   if (client_) {
     AddRef();  // Balanced in InstallUIProceed() and InstallUIAbort().
     client_->ConfirmReEnable(this, extension());
   }
 }
 
 }  // namespace extensions