Pass integers to the Emulation.setVisibleSize
Pass integers to the Emulation.setVisibleSize

Integers are required in the Emulation.setVisibleSize. This patch
fixes the screenshot clipRect so that it never tries to pass
float values.

ianchn/puppeteer,a1ph/puppeteer,GoogleChrome/puppeteer,brutalcrozt/puppeteer,elisherer/puppeteer,michaelfward/puppeteer,puppeteer/puppeteer,GoogleChrome/puppeteer,elisherer/puppeteer,GoogleChrome/puppeteer,ianchn/puppeteer,michaelfward/puppeteer,a1ph/puppeteer,puppeteer/puppeteer,puppeteer/puppeteer,brutalcrozt/puppeteer,puppeteer/puppeteer