DevTools: 'Overrides' UI overlay obstructs page and element inspector

BUG=302862
R=vsevik@chromium.org

Review URL: https://codereview.chromium.org/40233006

git-svn-id: svn://svn.chromium.org/blink/trunk@160559 bbb929c8-8fbe-4397-9dbb-9b2b20218538
void InspectorPageAgent::clearFrontend()
{
    ErrorString error;
    disable(&error);
    updateTouchEventEmulationInPage(false);
    m_frontend = 0;
}

void InspectorPageAgent::clearFrontend()
{
    ErrorString error;
    disable(&error);
    updateTouchEventEmulationInPage(false);
    m_frontend = 0;
}
