Change mojo enums to be scoped enums in the generated C++ bindings.

content/browser/background_sync/background_sync_browsertest.cc

 // Copyright 2015 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 <stdint.h>
 
 #include <set>
 #include <string>
 #include <vector>
 
@@ skipping 54 matching lines @@
   *result_out = result;
   task_runner->PostTask(FROM_HERE, quit);
 }
 
 void OneShotPendingDidGetSyncRegistration(
     const base::Callback<void(bool)>& callback,
     BackgroundSyncStatus error_type,
     scoped_ptr<BackgroundSyncRegistrationHandle> registration_handle) {
   ASSERT_EQ(BACKGROUND_SYNC_STATUS_OK, error_type);
   callback.Run(registration_handle->sync_state() ==
-               BACKGROUND_SYNC_STATE_PENDING);
+               BackgroundSyncState::PENDING);
 }
 
 void OneShotPendingDidGetSWRegistration(
     const scoped_refptr<BackgroundSyncContext> sync_context,
     const std::string& tag,
     const base::Callback<void(bool)>& callback,
     ServiceWorkerStatusCode status,
     const scoped_refptr<ServiceWorkerRegistration>& registration) {
   ASSERT_EQ(SERVICE_WORKER_OK, status);
   int64_t service_worker_id = registration->id();
@@ skipping 571 matching lines @@
   GURL url = alt_server.GetURL(kRegisterSyncURL);
   EXPECT_TRUE(
       RunScript(BuildScriptString("registerOneShotFromCrossOriginServiceWorker",
                                   url.spec()),
                 &script_result));
   EXPECT_EQ(BuildExpectedResult("worker", "failed to register sync"),
             script_result);
 }
 
 }  // namespace content