Don't count host permission changes for v2 apps as a permission increase.

chrome/browser/extensions/extension_service.cc

Index: chrome/browser/extensions/extension_service.cc
diff --git a/chrome/browser/extensions/extension_service.cc b/chrome/browser/extensions/extension_service.cc
index 5b67f031cb8bc49877331616f4bebe03c8e95165..2611e8ea868fa8e67c4f2913c736f7f4c85bb2d3 100644
--- a/chrome/browser/extensions/extension_service.cc
+++ b/chrome/browser/extensions/extension_service.cc
@@ -2175,7 +2175,7 @@ void ExtensionService::CheckPermissionsIncrease(const Extension* extension,
     // upgraded and recognized additional privileges, or an extension upgrades
     // to a version that requires additional privileges.
     is_privilege_increase = granted_permissions->HasLessPrivilegesThan(
-        extension->GetActivePermissions().get());
+        extension->GetActivePermissions().get(), extension->GetType());
   }
 
   if (is_extension_upgrade) {