Disable bookmark apps on non-ChromeOS platforms.

chrome/browser/apps/app_shim/app_shim_interactive_uitest_mac.mm

 // Copyright 2014 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.
 
 #import <Cocoa/Cocoa.h>
 #include <vector>
 
 #include "apps/app_lifetime_monitor_factory.h"
 #include "apps/switches.h"
 #include "base/auto_reset.h"
@@ skipping 27 matching lines @@
 #import "ui/events/test/cocoa_test_event_utils.h"
 
 namespace {
 
 // General end-to-end test for app shims.
 class AppShimInteractiveTest : public extensions::PlatformAppBrowserTest {
  protected:
   AppShimInteractiveTest()
       : auto_reset_(&g_app_shims_allow_update_and_launch_in_tests, true) {}
 
+  void SetUpCommandLine(base::CommandLine* command_line) override {
+    PlatformAppBrowserTest::SetUpCommandLine(command_line);
+    command_line->AppendSwitch(switches::kEnableNewBookmarkApps);
+  }
+
  private:
   // Temporarily enable app shims.
   base::AutoReset<bool> auto_reset_;
 
   DISALLOW_COPY_AND_ASSIGN(AppShimInteractiveTest);
 };
 
 // Watches for changes to a file. This is designed to be used from the the UI
 // thread.
 class WindowedFilePathWatcher
@@ skipping 648 matching lines @@
   // the shim is rebuilt.
   WindowedAppShimLaunchObserver(app->id()).Wait();
 
   EXPECT_TRUE(GetFirstAppWindow());
   EXPECT_TRUE(HasAppShimHost(profile(), app->id()));
 }
 
 #endif  // defined(ARCH_CPU_64_BITS)
 
 }  // namespace apps