Don't show a prompt when loading an extension with NPAPI plugins via

chrome/browser/ui/panels/panel_browser_view_browsertest.cc

 // Copyright (c) 2011 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 "base/command_line.h"
 #include "base/i18n/time_formatting.h"
 #include "chrome/browser/extensions/extension_service.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/ui/browser.h"
 #include "chrome/browser/ui/browser_window.h"
@@ skipping 205 matching lines @@
       input_value.SetString(extension_manifest_keys::kOptionsPage,
                             options_page);
     }
     std::string error;
     scoped_refptr<Extension> extension = Extension::Create(
         full_path, location, input_value, Extension::STRICT_ERROR_CHECKS,
         &error);
     ASSERT_TRUE(extension.get());
     EXPECT_STREQ("", error.c_str());
     browser()->GetProfile()->GetExtensionService()->OnLoadSingleExtension(
-        extension.get());
+        extension.get(), false);
 
     // Creates a panel with the app name that comes from the extension ID.
     PanelBrowserView* browser_view = CreatePanelBrowserView(
         web_app::GenerateApplicationNameFromExtensionId(extension->id()),
         SHOW_AS_ACTIVE);
     PanelBrowserFrameView* frame_view = browser_view->GetFrameView();
 
     frame_view->EnsureSettingsMenuCreated();
 
     // Validates the settings menu items.
@@ skipping 430 matching lines @@
       "", "");
   TestCreateSettingsMenuForExtension(
       FILE_PATH_LITERAL("extension2"), Extension::INVALID,
       "http://home", "options.html");
 }
 
 IN_PROC_BROWSER_TEST_F(PanelBrowserViewTest, MinimizeAndRestore) {
   TestMinimizeAndRestore();
 }
 #endif