Disable BackgroundApplicationListModelTest.ExplicitTest on OS_LINUX.

chrome/browser/background/background_application_list_model_unittest.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.
 
 // TODO(rickcam): Bug 73183: Add unit tests for image loading
 
 #include <cstdlib>
 #include <set>
 
 #include "chrome/browser/background/background_application_list_model.h"
@@ skipping 102 matching lines @@
                                                        service->profile())) {
     return;
   }
   extensions::PermissionsUpdater(service->profile()).RemovePermissions(
       extension, extension->GetActivePermissions());
 }
 }  // namespace
 
 // Crashes on Mac tryslaves.
 // http://crbug.com/165458
-#if defined(OS_MACOSX)
+#if defined(OS_MACOSX) || defined(OS_LINUX)
 #define MAYBE_ExplicitTest DISABLED_ExplicitTest
 #else
 #define MAYBE_ExplicitTest ExplicitTest
 #endif
 // With minimal test logic, verifies behavior over an explicit set of
 // extensions, of which some are Background Apps and others are not.
 TEST_F(BackgroundApplicationListModelTest, MAYBE_ExplicitTest) {
   InitializeAndLoadEmptyExtensionService();
   ExtensionService* service = extensions::ExtensionSystem::Get(profile_.get())->
       extension_service();
@@ skipping 237 matching lines @@
         break;
       case 2:
         TogglePermission(service, &extensions, model.get(), &expected, &count);
         break;
       default:
         NOTREACHED();
         break;
     }
   }
 }