[4/4] Process clearBrowserCahce/cookies commands in browser.

BUG=366585

Review URL: https://codereview.chromium.org/251183005

git-svn-id: svn://svn.chromium.org/blink/trunk@172984 bbb929c8-8fbe-4397-9dbb-9b2b20218538
void InspectorController::didBeginFrame(int frameId)
{
    if (InspectorTimelineAgent* timelineAgent = m_instrumentingAgents->inspectorTimelineAgent())
        timelineAgent->didBeginFrame(frameId);
    if (InspectorCanvasAgent* canvasAgent = m_instrumentingAgents->inspectorCanvasAgent())
        canvasAgent->didBeginFrame();
}

void InspectorController::didBeginFrame(int frameId)
{
    if (InspectorTimelineAgent* timelineAgent = m_instrumentingAgents->inspectorTimelineAgent())
        timelineAgent->didBeginFrame(frameId);
    if (InspectorCanvasAgent* canvasAgent = m_instrumentingAgents->inspectorCanvasAgent())
        canvasAgent->didBeginFrame();
}
