InspectorInstrumentationCookie InspectorInstrumentation::willProcessRuleImpl(InstrumentingAgents* instrumentingAgents, const StyleRule* rule)
{
    InspectorCSSAgent* cssAgent = instrumentingAgents->inspectorCSSAgent();
    if (cssAgent) {
        RefPtr<CSSRule> cssRule = rule->createCSSOMWrapper();
        cssAgent->willProcessRule(static_cast<CSSStyleRule*>(cssRule.get()));
        return InspectorInstrumentationCookie(instrumentingAgents, 1);
    }

    return InspectorInstrumentationCookie();
}

InspectorInstrumentationCookie InspectorInstrumentation::willPaintImpl(InspectorController* inspectorController, const IntRect& rect)
{
    int timelineAgentId = 0;
    InspectorTimelineAgent* timelineAgent = retrieveTimelineAgent(inspectorController);
    if (timelineAgent) {
        timelineAgent->willPaint(rect);
        timelineAgentId = timelineAgent->id();
    }
    return InspectorInstrumentationCookie(inspectorController, timelineAgentId);
}

InspectorInstrumentationCookie InspectorInstrumentation::willFireAnimationFrameImpl(InstrumentingAgents* instrumentingAgents, int callbackId)
{
    pauseOnNativeEventIfNeeded(instrumentingAgents, false, animationFrameFiredEventName, false);

    int timelineAgentId = 0;
    if (InspectorTimelineAgent* timelineAgent = instrumentingAgents->inspectorTimelineAgent()) {
        timelineAgent->willFireAnimationFrame(callbackId);
        timelineAgentId = timelineAgent->id();
    }
    return InspectorInstrumentationCookie(instrumentingAgents, timelineAgentId);
}

InspectorInstrumentationCookie InspectorInstrumentation::willDispatchEventImpl(InspectorController* inspectorController, const Event& event, DOMWindow* window, Node* node, const Vector<EventContext>& ancestors)
{
    pauseOnNativeEventIfNeeded(inspectorController, listenerEventCategoryType, event.type(), false);

    int timelineAgentId = 0;
    InspectorTimelineAgent* timelineAgent = retrieveTimelineAgent(inspectorController);
    if (timelineAgent && eventHasListeners(event.type(), window, node, ancestors)) {
        timelineAgent->willDispatchEvent(event);
        timelineAgentId = timelineAgent->id();
    }
    return InspectorInstrumentationCookie(inspectorController, timelineAgentId);
}