Support for selective DOM activity logging, based on IDL attributes.

Source/bindings/v8/V8PerContextData.h

 /*
  * Copyright (C) 2012 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 88 matching lines @@
         return m_activityLogger;
     }
 
     void setActivityLogger(V8DOMActivityLogger* logger)
     {
         m_activityLogger = logger;
     }
 
 private:
     explicit V8PerContextData(v8::Persistent<v8::Context> context)
-        : m_context(context)
+        : m_activityLogger(0), m_context(context)
     {
     }
 
     void dispose();
 
     v8::Local<v8::Object> createWrapperFromCacheSlowCase(WrapperTypeInfo*);
     v8::Local<v8::Function> constructorForTypeSlowCase(WrapperTypeInfo*);
 
     // For each possible type of wrapper, we keep a boilerplate object.
     // The boilerplate is used to create additional wrappers of the same type.
@@ skipping 15 matching lines @@
 
 class V8PerContextDebugData {
 public:
     static bool setContextDebugData(v8::Handle<v8::Context>, const char* worldName, int debugId);
     static int contextDebugId(v8::Handle<v8::Context>);
 };
 
 } // namespace WebCore
 
 #endif // V8PerContextData_h