Teach page.pdf to respect printBackground argument (#307)
Teach page.pdf to respect printBackground argument (#307)

References #301
GoogleChrome/puppeteer,puppeteer/puppeteer,michaelfward/puppeteer,GoogleChrome/puppeteer,a1ph/puppeteer,a1ph/puppeteer,ianchn/puppeteer,brutalcrozt/puppeteer,GoogleChrome/puppeteer,elisherer/puppeteer,elisherer/puppeteer,puppeteer/puppeteer,ianchn/puppeteer,brutalcrozt/puppeteer,puppeteer/puppeteer,puppeteer/puppeteer,michaelfward/puppeteer