[IndexedDB] Propogating changes to observers : Renderer

third_party/WebKit/Source/modules/indexeddb/IDBObserverCallback.h

 // Copyright 2016 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 IDBObserverCallback_h
 #define IDBObserverCallback_h
 
 #include "platform/heap/Handle.h"
 
 namespace blink {
 
 class ExecutionContext;
 class IDBObserver;
+class IDBObserverChanges;
 
 class IDBObserverCallback : public GarbageCollectedFinalized<IDBObserverCallback> {
 public:
     virtual ~IDBObserverCallback() {}
+    virtual void handleChanges(IDBObserverChanges&, IDBObserver&) = 0;

[cmumford, 2016/07/20 00:25:13]

first param => const

[palakj1, 2016/07/20 01:33:36]

done

[palakj1, 2016/07/20 03:01:15]

I later realized that IDBObserverChanges is being later passed toV8 by
reference. Does it makes sense to make it constant.
Also, content unittests failed due to this change.
Reverting back to non const. Let me know if this sounds okay.

     virtual ExecutionContext* getExecutionContext() const = 0;
     DEFINE_INLINE_VIRTUAL_TRACE() {}
 };
 
 } // namespace blink
 
 #endif // IDBObserverCallback_h