/infra directory

Added /infra directory, it will contain chrome-infra specific files, in
particular configs for chrome infra services.

/infra/project-config/cr-buildbucket.cfg defines buckets on
cr-buildbucket.appspot.com

R=borenet@google.com
BUG=skia:

Review URL: https://codereview.chromium.org/1164633002
diff --git a/infra/OWNERS b/infra/OWNERS
new file mode 100644
index 0000000..bb2506a
--- /dev/null
+++ b/infra/OWNERS
@@ -0,0 +1,4 @@
+borenet@chromium.org
+jcgregorio@chromium.org
+rmistry@chromium.org
+stephana@chromium.org
diff --git a/infra/README b/infra/README
new file mode 100644
index 0000000..1a6dc7e
--- /dev/null
+++ b/infra/README
@@ -0,0 +1 @@
+This directory contains chrome-infra-specific files.
diff --git a/infra/project-config/README b/infra/project-config/README
new file mode 100644
index 0000000..b7fc9e5
--- /dev/null
+++ b/infra/project-config/README
@@ -0,0 +1 @@
+This directory contains project-wide configurations for chrome-infra services.
diff --git a/infra/project-config/cr-buildbucket.cfg b/infra/project-config/cr-buildbucket.cfg
new file mode 100644
index 0000000..02644ca
--- /dev/null
+++ b/infra/project-config/cr-buildbucket.cfg
@@ -0,0 +1,71 @@
+# Defines buckets on cr-buildbucket.appspot.com, used to schedule builds
+# on buildbot. In particular, CQ uses some of these buckets to schedule tryjobs.
+#
+# See http://luci-config.appspot.com/schemas/projects:buildbucket.cfg for
+# schema of this file and documentation.
+#
+# Please keep this list sorted by bucket name.
+
+buckets {
+  name: "master.client.skia"
+  acls {
+    role: READER
+    group: "all"
+  }
+  acls {
+    role: SCHEDULER
+    group: "service-account-cq"
+  }
+  acls {
+    role: WRITER
+    group: "service-account-skia-master"
+  }
+}
+
+buckets {
+  name: "master.client.skia.android"
+  acls {
+    role: READER
+    group: "all"
+  }
+  acls {
+    role: SCHEDULER
+    group: "service-account-cq"
+  }
+  acls {
+    role: WRITER
+    group: "service-account-skia-master"
+  }
+}
+
+buckets {
+  name: "master.client.skia.compile"
+  acls {
+    role: READER
+    group: "all"
+  }
+  acls {
+    role: SCHEDULER
+    group: "service-account-cq"
+  }
+  acls {
+    role: WRITER
+    group: "service-account-skia-master"
+  }
+}
+
+buckets {
+  name: "master.client.skia.fyi"
+  acls {
+    role: READER
+    group: "all"
+  }
+  acls {
+    role: SCHEDULER
+    group: "service-account-cq"
+  }
+  acls {
+    role: WRITER
+    group: "service-account-skia-master"
+  }
+}