Fix nits in content/browser/appcache/

content/browser/appcache/appcache.h

 // 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.
 
 #ifndef CONTENT_BROWSER_APPCACHE_APPCACHE_H_
 #define CONTENT_BROWSER_APPCACHE_APPCACHE_H_
 
 #include <map>
 #include <set>
 #include <vector>
 
 #include "base/gtest_prod_util.h"
 #include "base/memory/ref_counted.h"
 #include "base/time/time.h"
 #include "content/browser/appcache/appcache_database.h"
 #include "content/browser/appcache/appcache_entry.h"
 #include "content/browser/appcache/manifest_parser.h"
 #include "content/common/content_export.h"
 #include "url/gurl.h"
 
 namespace net {
 class IOBuffer;
 }
 
 namespace content {
 FORWARD_DECLARE_TEST(AppCacheTest, InitializeWithManifest);
 FORWARD_DECLARE_TEST(AppCacheTest, ToFromDatabaseRecords);
-class AppCacheTest;
-class AppCacheStorageImplTest;
-class AppCacheUpdateJobTest;
-}
-
-namespace content {
-
 class AppCacheExecutableHandler;
 class AppCacheGroup;
 class AppCacheHost;
 class AppCacheStorage;
+class AppCacheTest;
+class AppCacheStorageImplTest;
+class AppCacheUpdateJobTest;
 
 // Set of cached resources for an application. A cache exists as long as a
 // host is associated with it, the cache is in an appcache group or the
 // cache is being created during an appcache upate.
 class CONTENT_EXPORT AppCache
     : public base::RefCounted<AppCache> {
  public:
   typedef std::map<GURL, AppCacheEntry> EntryMap;
   typedef std::set<AppCacheHost*> AppCacheHosts;
 
@@ skipping 156 matching lines @@
   AppCacheStorage* storage_;
 
   FRIEND_TEST_ALL_PREFIXES(content::AppCacheTest, InitializeWithManifest);
   FRIEND_TEST_ALL_PREFIXES(content::AppCacheTest, ToFromDatabaseRecords);
   DISALLOW_COPY_AND_ASSIGN(AppCache);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_APPCACHE_APPCACHE_H_