Bug 1280055 - Bump Firefox Puppeteer to 50.0.0 . r=maja_zf

MozReview-Commit-ID: 99DhMpOlnNB

--HG--
extra : rebase_source : aa7f2073e069eb12064c1b0acb81e3feee0a765f

dom/media/test/external/requirements.txt

@@ -17,4 +17,4 @@ mozversion==1.4
 wptserve==1.3.0
 marionette-client==2.2.0
 marionette-driver==1.3.0
-firefox-puppeteer >= 49.0.0, <50.0.0
+firefox-puppeteer >= 50.0.0, <51.0.0

testing/firefox-ui/harness/requirements.txt

@@ -1,4 +1,4 @@
-firefox-puppeteer >= 49.0.0, <50.0.0
+firefox-puppeteer >= 50.0.0, <51.0.0
 marionette-client >= 2.3.0
 mozfile >= 1.2
 mozinfo >= 0.8

testing/puppeteer/firefox/firefox_puppeteer/__init__.py

@@ -9,7 +9,7 @@ from marionette_driver.marionette import HTMLElement
 from decorators import use_class_as_property
 
 
-__version__ = '49.0.0'
+__version__ = '50.0.0'
 
 
 class Puppeteer(object):