Convert ARRAYSIZE_UNSAFE -> arraysize in chrome/browser/.

chrome/browser/sync_file_system/drive_backend/sync_engine_unittest.cc

 // Copyright 2013 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 "chrome/browser/sync_file_system/drive_backend/sync_engine.h"
 
 #include "base/files/scoped_temp_dir.h"
 #include "base/macros.h"
 #include "base/run_loop.h"
 #include "base/thread_task_runner_handle.h"
@@ skipping 201 matching lines @@
   struct {
     RemoteServiceState state;
     const char* description;
   } test_data[] = {
     {REMOTE_SERVICE_OK, "OK"},
     {REMOTE_SERVICE_TEMPORARY_UNAVAILABLE, "TEMPORARY_UNAVAILABLE"},
     {REMOTE_SERVICE_AUTHENTICATION_REQUIRED, "AUTHENTICATION_REQUIRED"},
     {REMOTE_SERVICE_DISABLED, "DISABLED"},
   };
 
-  for (size_t i = 0; i < ARRAYSIZE_UNSAFE(test_data); ++i) {
+  for (size_t i = 0; i < arraysize(test_data); ++i) {
     PostUpdateServiceState(test_data[i].state, test_data[i].description);
     EXPECT_EQ(test_data[i].state, sync_engine()->GetCurrentState())
         << "Expected state: REMOTE_SERVICE_" << test_data[i].description;
   }
 }
 
 TEST_F(SyncEngineTest, ProcessRemoteChange) {
   SyncStatusCode sync_status;
   storage::FileSystemURL url;
   sync_engine()->ProcessRemoteChange(CreateResultReceiver(&sync_status, &url));
   WaitForWorkerTaskRunner();
   EXPECT_EQ(SYNC_STATUS_OK, sync_status);
 }
 
 }  // namespace drive_backend
 }  // namespace sync_file_system