[IndexedDB] Propogating changes to observers : Renderer

third_party/WebKit/public/platform/modules/indexeddb/WebIDBKeyRange.h

 /*
  * Copyright (C) 2010 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:
  *
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
  * 2.  Redistributions in binary form must reproduce the above copyright
@@ skipping 20 matching lines @@
 
 namespace blink {
 
 class IDBKeyRange;
 class WebIDBKey;
 
 class WebIDBKeyRange {
 public:
     ~WebIDBKeyRange() { reset(); }
 
+    WebIDBKeyRange() {}
     WebIDBKeyRange(const WebIDBKeyRange& keyRange) { assign(keyRange); }
     WebIDBKeyRange(const WebIDBKey& lower, const WebIDBKey& upper, bool lowerOpen, bool upperOpen) { assign(lower, upper, lowerOpen, upperOpen); }
 
     BLINK_EXPORT WebIDBKey lower() const;
     BLINK_EXPORT WebIDBKey upper() const;
     BLINK_EXPORT bool lowerOpen() const;
     BLINK_EXPORT bool upperOpen() const;
 
     BLINK_EXPORT void assign(const WebIDBKeyRange&);
     BLINK_EXPORT void assign(const WebIDBKey& lower, const WebIDBKey& upper, bool lowerOpen, bool upperOpen);
+
+    WebIDBKeyRange& operator=(const WebIDBKeyRange& e)
+    {
+        assign(e);
+        return *this;
+    }
+
 // FIXME: when compiling core or modules, use inline for reset.
 // when compiling WebIDBKeyRange.cpp, don't use inline to avoid redefinition.
 #if !BLINK_WEB_IMPLEMENTATION && BLINK_IMPLEMENTATION && defined(COMPONENT_BUILD)
     BLINK_EXPORT void reset()
     {
         m_private.reset();
     }
 #else
     BLINK_EXPORT void reset();
 #endif
@@ skipping 13 matching lines @@
     }
 #endif
 
 private:
     WebPrivatePtr<IDBKeyRange> m_private;
 };
 
 } // namespace blink
 
 #endif // WebIDBKeyRange_h