add chrome beta

Signed-off-by: Jessica Frazelle <princess@docker.com>

chrome/beta/Dockerfile

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+# Base docker image
+FROM debian:sid
+MAINTAINER Jessica Frazelle <jess@docker.com>
+
+COPY google-talkplugin_current_amd64.deb /src/google-talkplugin_current_amd64.deb
+
+ADD  https://dl.google.com/linux/direct/google-chrome-beta_current_amd64.deb /src/google-chrome-beta_current_amd64.deb
+
+# Install Chromium
+RUN sed -i.bak 's/sid main/sid main contrib non-free/g' /etc/apt/sources.list && \
+	mkdir -p /usr/share/icons/hicolor && \
+	apt-get update && apt-get install -y \
+	ca-certificates \
+	gconf-service \
+	hicolor-icon-theme \
+	libappindicator1 \
+	libasound2 \
+	libcanberra-gtk-module \
+	libcurl3 \
+	libexif-dev \
+	libgconf-2-4 \
+	libgl1-mesa-dri \
+	libgl1-mesa-glx \
+	libnspr4 \
+	libnss3 \
+	libpango1.0-0 \
+	libv4l-0 \
+	libxss1 \
+	libxtst6 \
+	wget \
+	xdg-utils \
+	--no-install-recommends && \
+	dpkg -i '/src/google-chrome-beta_current_amd64.deb' && \
+	apt-get install -y \
+	pepperflashplugin-nonfree \
+	--no-install-recommends && \
+	dpkg -i '/src/google-talkplugin_current_amd64.deb' \
+	&& rm -rf /var/lib/apt/lists/*
+
+COPY local.conf /etc/fonts/local.conf
+
+# Autorun chrome
+ENTRYPOINT [ "/usr/bin/google-chrome-beta" ]
+CMD [ "--user-data-dir=/data", "--no-sandbox" ]

chrome/stable/local.conf

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+<?xml version='1.0'?>
+<!DOCTYPE fontconfig SYSTEM 'fonts.dtd'>
+<fontconfig>
+<match target="font">
+<edit mode="assign" name="rgba">
+<const>rgb</const>
+</edit>
+</match>
+<match target="font">
+<edit mode="assign" name="hinting">
+<bool>true</bool>
+</edit>
+</match>
+<match target="font">
+<edit mode="assign" name="hintstyle">
+<const>hintslight</const>
+</edit>
+</match>
+<match target="font">
+<edit mode="assign" name="antialias">
+<bool>true</bool>
+</edit>
+</match>
+<match target="font">
+<edit mode="assign" name="lcdfilter">
+<const>lcddefault</const>
+</edit>
+</match>
+</fontconfig>