Removes MessageLoop::TYPE_XXX where possible

content/browser/appcache/chrome_appcache_service_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.
 
 #include "base/bind.h"
 #include "base/file_util.h"
 #include "base/files/scoped_temp_dir.h"
 #include "base/memory/ref_counted.h"
 #include "base/message_loop/message_loop.h"
 #include "content/browser/appcache/chrome_appcache_service.h"
@@ skipping 45 matching lines @@
  private:
   net::URLRequestContext* context_;
   scoped_refptr<base::SingleThreadTaskRunner> message_loop_proxy_;
 };
 
 }  // namespace
 
 class ChromeAppCacheServiceTest : public testing::Test {
  public:
   ChromeAppCacheServiceTest()
-      : message_loop_(base::MessageLoop::TYPE_IO),
-        kProtectedManifestURL(kProtectedManifest),
+      : kProtectedManifestURL(kProtectedManifest),
         kNormalManifestURL(kNormalManifest),
         kSessionOnlyManifestURL(kSessionOnlyManifest),
         file_thread_(BrowserThread::FILE, &message_loop_),
         file_user_blocking_thread_(BrowserThread::FILE_USER_BLOCKING,
                                    &message_loop_),
         cache_thread_(BrowserThread::CACHE, &message_loop_),
         io_thread_(BrowserThread::IO, &message_loop_) {}
 
  protected:
   scoped_refptr<ChromeAppCacheService> CreateAppCacheService(
       const base::FilePath& appcache_path,
       bool init_storage);
   void InsertDataIntoAppCache(ChromeAppCacheService* appcache_service);
 
-  base::MessageLoop message_loop_;
+  base::MessageLoopForIO message_loop_;
   base::ScopedTempDir temp_dir_;
   const GURL kProtectedManifestURL;
   const GURL kNormalManifestURL;
   const GURL kSessionOnlyManifestURL;
 
  private:
   BrowserThreadImpl file_thread_;
   BrowserThreadImpl file_user_blocking_thread_;
   BrowserThreadImpl cache_thread_;
   BrowserThreadImpl io_thread_;
@@ skipping 124 matching lines @@
   EXPECT_TRUE(origins.find(kNormalManifestURL.GetOrigin()) != origins.end());
   EXPECT_TRUE(origins.find(kSessionOnlyManifestURL.GetOrigin()) !=
               origins.end());
 
   // Delete and let cleanup tasks run prior to returning.
   appcache_service = NULL;
   message_loop_.RunUntilIdle();
 }
 
 }  // namespace content