Use a direct include of the message_loop header in chrome/browser/, part 7.

chrome/browser/nacl_host/pnacl_translation_cache_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/nacl_host/pnacl_translation_cache.h"
 
 #include "base/files/file_path.h"
 #include "base/files/scoped_temp_dir.h"
-#include "base/message_loop.h"
+#include "base/message_loop/message_loop.h"
 #include "base/run_loop.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/test/test_browser_thread_bundle.h"
 #include "net/base/test_completion_callback.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 using content::BrowserThread;
 using base::FilePath;
 
 namespace pnacl_cache {
@@ skipping 129 matching lines @@
 TEST_F(PnaclTranslationCacheTest, GetMiss) {
   InitBackend(true);
   StoreNexe(test_key, test_store_val);
   net::TestCompletionCallback load_cb;
   std::string nexe;
   cache_->GetNexe(test_key + "a", &nexe, load_cb.callback());
   EXPECT_EQ(net::ERR_FAILED, load_cb.GetResult(net::ERR_IO_PENDING));
 }
 
 }  // namespace pnacl_cache