Fix nits in content/browser/appcache/

content/browser/appcache/appcache_host.h

 // Copyright (c) 2011 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.
 
 #ifndef CONTENT_BROWSER_APPCACHE_APPCACHE_HOST_H_
 #define CONTENT_BROWSER_APPCACHE_APPCACHE_HOST_H_
 
 #include "base/callback.h"
 #include "base/gtest_prod_util.h"
 #include "base/memory/ref_counted.h"
@@ skipping 16 matching lines @@
 FORWARD_DECLARE_TEST(AppCacheHostTest, Basic);
 FORWARD_DECLARE_TEST(AppCacheHostTest, SelectNoCache);
 FORWARD_DECLARE_TEST(AppCacheHostTest, ForeignEntry);
 FORWARD_DECLARE_TEST(AppCacheHostTest, FailedCacheLoad);
 FORWARD_DECLARE_TEST(AppCacheHostTest, FailedGroupLoad);
 FORWARD_DECLARE_TEST(AppCacheHostTest, SetSwappableCache);
 FORWARD_DECLARE_TEST(AppCacheHostTest, ForDedicatedWorker);
 FORWARD_DECLARE_TEST(AppCacheHostTest, SelectCacheAllowed);
 FORWARD_DECLARE_TEST(AppCacheHostTest, SelectCacheBlocked);
 FORWARD_DECLARE_TEST(AppCacheTest, CleanupUnusedCache);
-class AppCacheTest;
-class AppCacheHostTest;
-class AppCacheGroupTest;
-class AppCacheStorageImplTest;
-class AppCacheRequestHandlerTest;
-class AppCacheUpdateJobTest;
-}
-
-namespace content {
-
 class AppCache;
 class AppCacheFrontend;
+class AppCacheGroupTest;
+class AppCacheHostTest;
 class AppCacheRequestHandler;
+class AppCacheRequestHandlerTest;
+class AppCacheStorageImplTest;
+class AppCacheTest;
+class AppCacheUpdateJobTest;
 
 typedef base::Callback<void(AppCacheStatus, void*)> GetStatusCallback;
 typedef base::Callback<void(bool, void*)> StartUpdateCallback;
 typedef base::Callback<void(bool, void*)> SwapCacheCallback;
 
 // Server-side representation of an application cache host.
 class CONTENT_EXPORT AppCacheHost
     : public AppCacheStorage::Delegate,
       public AppCacheGroup::UpdateObserver,
       public AppCacheServiceImpl::Observer {
@@ skipping 269 matching lines @@
   FRIEND_TEST_ALL_PREFIXES(content::AppCacheHostTest, SelectCacheAllowed);
   FRIEND_TEST_ALL_PREFIXES(content::AppCacheHostTest, SelectCacheBlocked);
   FRIEND_TEST_ALL_PREFIXES(content::AppCacheTest, CleanupUnusedCache);
 
   DISALLOW_COPY_AND_ASSIGN(AppCacheHost);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_APPCACHE_APPCACHE_HOST_H_