Separate ContentSettingsClient out from LocalFrameClient

third_party/WebKit/Source/modules/webdatabase/DatabaseClient.h

 /*
  * Copyright (C) 2013 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 26 matching lines @@
 #include "platform/heap/Handle.h"
 #include "wtf/Forward.h"
 
 namespace blink {
 
 class Database;
 class ExecutionContext;
 class InspectorDatabaseAgent;
 class Page;
 
-class MODULES_EXPORT DatabaseClient : public Supplement<Page> {
+class MODULES_EXPORT DatabaseClient : public GarbageCollected<DatabaseClient>,
+                                      public Supplement<Page> {
+  USING_GARBAGE_COLLECTED_MIXIN(DatabaseClient);
   WTF_MAKE_NONCOPYABLE(DatabaseClient);
 
  public:
   DatabaseClient();
-  virtual ~DatabaseClient() {}
 
   DECLARE_VIRTUAL_TRACE();
 
-  virtual bool allowDatabase(ExecutionContext*,
-                             const String& name,
-                             const String& displayName,
-                             unsigned estimatedSize) = 0;
+  bool allowDatabase(ExecutionContext*,
+                     const String& name,
+                     const String& displayName,
+                     unsigned estimatedSize);
 
   void didOpenDatabase(Database*,
                        const String& domain,
                        const String& name,
                        const String& version);
 
   static DatabaseClient* fromPage(Page*);
   static DatabaseClient* from(ExecutionContext*);
   static const char* supplementName();
 
   void setInspectorAgent(InspectorDatabaseAgent*);
 
  private:
   Member<InspectorDatabaseAgent> m_inspectorAgent;
 };
 
 MODULES_EXPORT void provideDatabaseClientTo(Page&, DatabaseClient*);
 
 }  // namespace blink
 
 #endif  // DatabaseClient_h