Move about://-related constants from //content to //url

chrome/browser/ui/panels/panel_browsertest.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 "base/bind.h"
 #include "base/prefs/pref_service.h"
 #include "base/strings/utf_string_conversions.h"
 #include "chrome/app/chrome_command_ids.h"
 #include "chrome/browser/chrome_notification_types.h"
 #include "chrome/browser/devtools/devtools_window.h"
@@ skipping 1382 matching lines @@
   std::string extension_domain_url(extensions::kExtensionScheme);
   extension_domain_url += "://";
   extension_domain_url += extension->id();
   extension_domain_url += "/hello.html";
   params.url = GURL(extension_domain_url);
   Panel* panel = CreatePanelWithParams(params);
   EXPECT_EQ(1, panel_manager->num_panels());
 
   // Create a panel with a non-extension host.
   CreatePanelParams params1(extension_app_name, gfx::Rect(), SHOW_AS_ACTIVE);
-  params1.url = GURL(content::kAboutBlankURL);
+  params1.url = GURL(url::kAboutBlankURL);
   Panel* panel1 = CreatePanelWithParams(params1);
   EXPECT_EQ(2, panel_manager->num_panels());
 
   // Create another extension and a panel from that extension.
   scoped_refptr<extensions::Extension> extension_other =
       CreateExtension(FILE_PATH_LITERAL("TestExtensionOther"),
                       extensions::Manifest::INTERNAL, empty_value);
   std::string extension_app_name_other =
       web_app::GenerateApplicationNameFromExtensionId(extension_other->id());
   Panel* panel_other = CreatePanel(extension_app_name_other);
@@ skipping 367 matching lines @@
 #else
 #define MAYBE_FocusChangeEventOnMinimize FocusChangeEventOnMinimize
 #endif
 IN_PROC_BROWSER_TEST_F(PanelExtensionApiTest,
                        MAYBE_FocusChangeEventOnMinimize) {
   // This is needed so the subsequently created panels can be activated.
   // On a Mac, it transforms background-only test process into foreground one.
   ASSERT_TRUE(ui_test_utils::BringBrowserWindowToFront(browser()));
   ASSERT_TRUE(RunExtensionTest("panels/focus_change_on_minimize")) << message_;
 }