third_party/WebKit/Source/core/timing/WorkerGlobalScopePerformance.cpp

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#include "config.h"

#include "core/timing/WorkerGlobalScopePerformance.h"

#include "core/timing/WorkerPerformance.h"
#include "core/workers/WorkerGlobalScope.h"

namespace blink {

WorkerGlobalScopePerformance::WorkerGlobalScopePerformance()
{
}

const char* WorkerGlobalScopePerformance::supplementName()
{
    return "WorkerGlobalScopePerformance";
}

WorkerGlobalScopePerformance& WorkerGlobalScopePerformance::from(WorkerGlobalScope& context)
{
    WorkerGlobalScopePerformance* supplement = static_cast<WorkerGlobalScopePerformance*>(WillBeHeapSupplement<WorkerGlobalScope>::from(context, supplementName()));
    if (!supplement) {
        supplement = new WorkerGlobalScopePerformance();
        provideTo(context, supplementName(), adoptPtrWillBeNoop(supplement));
    }
    return *supplement;
}

WorkerPerformance* WorkerGlobalScopePerformance::performance(WorkerGlobalScope& context)
{
    return from(context).performance(&context);
}

WorkerPerformance* WorkerGlobalScopePerformance::performance(WorkerGlobalScope* context)
{
    if (!m_performance)
        m_performance = WorkerPerformance::create(context);
    return m_performance.get();
}

DEFINE_TRACE(WorkerGlobalScopePerformance)
{
    visitor->trace(m_performance);
    WillBeHeapSupplement<WorkerGlobalScope>::trace(visitor);
}

} // namespace blink