Start/stop Chrome in the mini_installer test.

chrome/test/mini_installer/config/config.config

 {
   "states": [
     ["no_pv", ["chrome_user_no_pv.prop",
                "chrome_canary_no_pv.prop",
                "chrome_system_no_pv.prop"]],
     ["clean", ["chrome_user_not_installed.prop",
                "chrome_canary_not_installed.prop",
                "chrome_system_not_installed.prop",
                "chrome_user_not_inuse.prop",
                "chrome_canary_not_inuse.prop",
@@ skipping 27 matching lines @@
                                      "chrome_system_not_installed.prop",
                                      "chrome_user_inuse.prop",
                                      "chrome_canary_not_inuse.prop",
                                      "chrome_system_not_inuse.prop"]],
     ["chrome_canary_installed_inuse", ["chrome_user_not_installed.prop",
                                        "chrome_canary_installed.prop",
                                        "chrome_system_not_installed.prop",
                                        "chrome_user_not_inuse.prop",
                                        "chrome_canary_inuse.prop",
                                        "chrome_system_not_inuse.prop"]],
+    ["chrome_user_and_canary_installed_user_inuse",
+      [
+        "chrome_user_installed.prop",
+        "chrome_canary_installed.prop",
+        "chrome_system_not_installed.prop",
+        "chrome_user_inuse.prop",
+        "chrome_canary_not_inuse.prop",
+        "chrome_system_not_inuse.prop"
+      ]
+    ],
     ["chrome_system_installed_inuse", ["chrome_user_not_installed.prop",
                                        "chrome_canary_not_installed.prop",
                                        "chrome_system_installed.prop",
                                        "chrome_user_not_inuse.prop",
                                        "chrome_canary_not_inuse.prop",
                                        "chrome_system_inuse.prop"]]
   ],
   "actions": [
     ["install_chrome_user",
      "\"$MINI_INSTALLER\" --chrome --multi-install --verbose-logging --do-not-launch-chrome"],
@@ skipping 19 matching lines @@
      "python uninstall_chrome.py --chrome-long-name=\"$CHROME_LONG_NAME_SXS\""],
     ["uninstall_chrome_system",
      "python uninstall_chrome.py --chrome-long-name=\"$CHROME_LONG_NAME\" --system-level"]
   ],
   "tests": [
     {
       "name": "ChromeUserLevel",
       "traversal": [
         "no_pv",
         "install_chrome_user", "chrome_user_installed_not_inuse",
+        "launch_chrome_user", "chrome_user_installed_inuse",
+        "quit_chrome_user", "chrome_user_installed_not_inuse",
         "uninstall_chrome_user", "clean"
       ]
     },
     {
       "name": "ChromeCanary",
       "condition": "$SUPPORTS_SXS",
       "traversal": [
         "no_pv",
         "install_chrome_canary", "chrome_canary_installed_not_inuse",
+        "launch_chrome_canary", "chrome_canary_installed_inuse",
+        "quit_chrome_canary", "chrome_canary_installed_not_inuse",
         "uninstall_chrome_canary", "clean"
       ]
     },
     {
       "name": "ChromeSystemLevel",
       "traversal": [
         "no_pv",
         "install_chrome_system", "chrome_system_installed_not_inuse",
+        "launch_chrome_system", "chrome_system_installed_inuse",
+        "quit_chrome_system", "chrome_system_installed_not_inuse",
         "uninstall_chrome_system", "clean"
       ]
     },
     {
       "name": "ChromeUserLevelWithCanary",
       "condition": "$SUPPORTS_SXS",
       "traversal": [
         "no_pv",
         "install_chrome_user", "chrome_user_installed_not_inuse",
         "install_chrome_canary", "chrome_user_and_canary_installed_not_inuse",
+        "launch_chrome_user", "chrome_user_and_canary_installed_user_inuse",
+        "quit_chrome_user", "chrome_user_and_canary_installed_not_inuse",
         "uninstall_chrome_user", "chrome_canary_installed_not_inuse",
         "uninstall_chrome_canary", "clean"
       ]
     }
   ]
 }