Make up missing getters and metrics; Update VLC scripts; Start to work on Chrome, update examples instructions

evaluation_examples/examples/chrome/bb5e4c0d-f964-439c-97b6-bdb9747de3f4.json

@@ -1,18 +1,33 @@
 {
   "id": "bb5e4c0d-f964-439c-97b6-bdb9747de3f4",
   "snapshot": "chrome",
-  "instruction": "Could you help me set my default search engine to be Google?",
+  "instruction": "Can you make Bing the main search thingy when I look stuff up on the internet?",
   "source": "https://support.google.com/chrome/answer/95426?sjid=16867045591165135686-AP",
-  "config": [],
+  "config": [
+    {
+      "type": "launch",
+      "parameters": {
+        "command": [
+          "google-chrome",
+          "--remote-debugging-port=9222"
+        ]
+      }
+    }
+  ],
   "trajectory": "trajectories/",
   "related_apps": [
     "chrome"
   ],
   "evaluator": {
-    "func": "",
+    "func": "exact_match",
     "result": {
+      "type": "default_search_engine"
     },
     "expected": {
+      "type": "rule",
+      "rules": {
+        "expected": "Bing"
+      }
     }
   }
 }