Display correct error message when the client fails to establish P2P connection.

BUG=110844

Review URL: https://chromiumcodereview.appspot.com/9564025

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@124573 0039d316-1c4b-4281-b951-d872f2087c98

remoting/webapp/_locales/en/messages.json

@@ -139,6 +139,10 @@
     "message": "The access code is invalid. Please try again.",
     "description": "Error displayed if an invalid access code is entered."
   },
+  "ERROR_NETWORK_FAILURE": {
+    "message": "Unable to reach the host. This is probably due to the configuration of the network you are using.",
+    "description": "Error displayed when the host is online, but we are unable to connect to it due to network configuration."
+  },
   "ERROR_MISSING_PLUGIN": {
     "message": "Some components required for Chromoting are missing. Please make sure you're running the latest version of Chromium and try again.",
     "description": "Error displayed if the client plugin fails to load."

remoting/webapp/client_screen.js

@@ -247,7 +247,7 @@ function onClientStateChange_(oldState, newState) {
       showConnectError_(remoting.Error.INCOMPATIBLE_PROTOCOL);
     } else if (remoting.clientSession.error ==
                remoting.ClientSession.ConnectionError.NETWORK_FAILURE) {
-      showConnectError_(remoting.Error.GENERIC);
+      showConnectError_(remoting.Error.NETWORK_FAILURE);
     } else {
       showConnectError_(remoting.Error.GENERIC);
     }

remoting/webapp/remoting.js

@@ -20,6 +20,7 @@ remoting.Error = {
   HOST_IS_OFFLINE: /*i18n-content*/'ERROR_HOST_IS_OFFLINE',
   INCOMPATIBLE_PROTOCOL: /*i18n-content*/'ERROR_INCOMPATIBLE_PROTOCOL',
   BAD_PLUGIN_VERSION: /*i18n-content*/'ERROR_BAD_PLUGIN_VERSION',
+  NETWORK_FAILURE: /*i18n-content*/'ERROR_NETWORK_FAILURE',
   GENERIC: /*i18n-content*/'ERROR_GENERIC',
   UNEXPECTED: /*i18n-content*/'ERROR_UNEXPECTED',
   SERVICE_UNAVAILABLE: /*i18n-content*/'ERROR_SERVICE_UNAVAILABLE'