Fix classes that have too many virtuals for inline constructors.

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>
 
@@ skipping 62 matching lines @@
     // containing cache and group are also returned.
     virtual void OnMainResponseFound(const GURL& url,
                                      const AppCacheEntry& entry,
                                      const GURL& namespace_entry_url,
                                      const AppCacheEntry& fallback_entry,
                                      int64_t cache_id,
                                      int64_t group_id,
                                      const GURL& mainfest_url) {}
 
    protected:
+    Delegate() = default;
     virtual ~Delegate() {}
   };
 
   explicit AppCacheStorage(AppCacheServiceImpl* service);
   virtual ~AppCacheStorage();
 
   // Schedules a task to retrieve basic info about all groups and caches
   // stored in the system. Upon completion the delegate will be called
   // with the results.
   virtual void GetAllInfo(Delegate* delegate) = 0;
@@ skipping 238 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_