Extending the translation from ONC to Shill.

chrome/test/data/chromeos/net/proxy_config.json

Index: chrome/test/data/chromeos/net/proxy_config.json
diff --git a/chrome/test/data/chromeos/net/proxy_config.json b/chrome/test/data/chromeos/net/proxy_config.json
new file mode 100644
index 0000000000000000000000000000000000000000..1adfb134af538a578b5b3f92f186131faec87b96
--- /dev/null
+++ b/chrome/test/data/chromeos/net/proxy_config.json
@@ -0,0 +1,45 @@
+[
+  { "ONC_ProxySettings": {
+      "Manual": {
+        "FTPProxy": {
+          "Host": "192.168.2.1",
+          "Port": 8889
+        },
+        "HTTPProxy": {
+          "Host": "192.168.2.1",
+          "Port": 8889
+        },
+        "SOCKS": {
+          "Host": "192.168.2.1",
+          "Port": 8889
+        },
+        "SecureHTTPProxy": {
+          "Host": "192.168.2.1",
+          "Port": 8889
+        }
+      },
+      "Type": "Manual"
+    },
+    "ProxyConfig": {
+      "mode":"fixed_servers",
+      "server":"ftp=192.168.2.1:8889;http=192.168.2.1:8889;socks=socks4://192.168.2.1:8889;https=192.168.2.1:8889"
+    }
+  },
+  { "ONC_ProxySettings": {
+      "Type": "PAC",
+      "PAC": "https://proxycfg.my.domain.com/proxy.dat"
+    },
+    "ProxyConfig": {
+      "mode":"pac_script",
+      "pac_mandatory":false,
+      "pac_url":"https://proxycfg.my.domain.com/proxy.dat"
+    }
+  },
+  { "ONC_ProxySettings": {
+      "Type": "Direct"
+    },
+    "ProxyConfig": {
+      "mode": "direct"
+    }
+  }
+]