Fixing wrong extension ID in Activity Log entries.

Source/bindings/v8/V8PerContextData.cpp

 /*
  * 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 29 matching lines @@
 
 namespace WebCore {
 
 V8PerContextData::V8PerContextData(v8::Handle<v8::Context> context)
     : m_wrapperBoilerplates(context->GetIsolate())
     , m_constructorMap(context->GetIsolate())
     , m_isolate(context->GetIsolate())
     , m_contextHolder(adoptPtr(new gin::ContextHolder(context->GetIsolate())))
     , m_context(m_isolate, context)
     , m_customElementBindings(adoptPtr(new CustomElementBindingMap()))
+    , m_activityLogger(0)
 {
     m_contextHolder->SetContext(context);
 
     v8::Context::Scope contextScope(context);
     ASSERT(m_errorPrototype.isEmpty());
     v8::Handle<v8::Object> object = v8::Handle<v8::Object>::Cast(context->Global()->Get(v8AtomicString(m_isolate, "Error")));
     ASSERT(!object.IsEmpty());
     v8::Handle<v8::Value> prototypeValue = object->Get(v8AtomicString(m_isolate, "prototype"));
     ASSERT(!prototypeValue.IsEmpty());
     m_errorPrototype.set(m_isolate, prototypeValue);
@@ skipping 136 matching lines @@
     if (!data->IsString())
         return -1;
     v8::String::Utf8Value utf8(data);
     char* comma = strnstr(*utf8, ",", utf8.length());
     if (!comma)
         return -1;
     return atoi(comma + 1);
 }
 
 } // namespace WebCore