Call scoped_refptr<T>::get() rather than relying on implicit "operator T*"

net/disk_cache/stress_cache.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.
 
 // This is a simple application that stress-tests the crash recovery of the disk
 // cache. The main application starts a copy of itself on a loop, checking the
 // exit code of the child process. When the child dies in an unexpected way,
 // the main application quits.
 
 // The child application has two threads: one to exercise the cache in an
@@ skipping 93 matching lines @@
 
   base::FilePath path;
   PathService::Get(base::DIR_TEMP, &path);
   path = path.AppendASCII("cache_test_stress");
 
   base::Thread cache_thread("CacheThread");
   if (!cache_thread.StartWithOptions(
           base::Thread::Options(base::MessageLoop::TYPE_IO, 0)))
     return;
 
-  disk_cache::BackendImpl* cache =
-      new disk_cache::BackendImpl(path, mask, cache_thread.message_loop_proxy(),
-                                  NULL);
+  disk_cache::BackendImpl* cache = new disk_cache::BackendImpl(
+      path, mask, cache_thread.message_loop_proxy().get(), NULL);
   cache->SetMaxSize(cache_size);
   cache->SetFlags(disk_cache::kNoLoadProtection);
 
   net::TestCompletionCallback cb;
   int rv = cache->Init(cb.callback());
 
   if (cb.GetResult(rv) != net::OK) {
     printf("Unable to initialize cache.\n");
     return;
   }
@@ skipping 155 matching lines @@
   long int iteration = strtol(argv[1], &end, 0);
 
   if (!StartCrashThread()) {
     printf("failed to start thread\n");
     return kError;
   }
 
   StressTheCache(iteration);
   return 0;
 }