Fix nits in content/browser/appcache/

content/browser/appcache/appcache_storage.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_STORAGE_H_
 #define CONTENT_BROWSER_APPCACHE_APPCACHE_STORAGE_H_
 
 #include <map>
 #include <vector>
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "base/gtest_prod_util.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
 #include "content/browser/appcache/appcache_working_set.h"
 #include "content/common/content_export.h"
 #include "net/base/completion_callback.h"
 
 class GURL;
 
 namespace content {
 FORWARD_DECLARE_TEST(AppCacheStorageTest, DelegateReferences);
 FORWARD_DECLARE_TEST(AppCacheStorageTest, UsageMap);
-class AppCacheQuotaClientTest;
-class AppCacheResponseTest;
-class AppCacheStorageTest;
-}
-
-namespace content {
-
 class AppCache;
 class AppCacheEntry;
 class AppCacheGroup;
+class AppCacheQuotaClientTest;
 class AppCacheResponseReader;
+class AppCacheResponseTest;
 class AppCacheResponseWriter;
 class AppCacheServiceImpl;
+class AppCacheStorageTest;
 struct AppCacheInfoCollection;
 struct HttpResponseInfoIOBuffer;
 
 class CONTENT_EXPORT AppCacheStorage {
  public:
   typedef std::map<GURL, int64> UsageMap;
 
   class CONTENT_EXPORT Delegate {
    public:
     // If retrieval fails, 'collection' will be NULL.
@@ skipping 273 matching lines @@
 
   FRIEND_TEST_ALL_PREFIXES(content::AppCacheStorageTest, DelegateReferences);
   FRIEND_TEST_ALL_PREFIXES(content::AppCacheStorageTest, UsageMap);
 
   DISALLOW_COPY_AND_ASSIGN(AppCacheStorage);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_APPCACHE_APPCACHE_STORAGE_H_