Use the same disconnect prompt for client and host.

remoting/webapp/me2mom/_locales/en/messages.json

Index: remoting/webapp/me2mom/_locales/en/messages.json
diff --git a/remoting/webapp/me2mom/_locales/en/messages.json b/remoting/webapp/me2mom/_locales/en/messages.json
index c8001f7b5d92eb5ee681ebce255972227d4583a6..db47e4d62b10925ad1e9843924decdfcbe300a7c 100644
--- a/remoting/webapp/me2mom/_locales/en/messages.json
+++ b/remoting/webapp/me2mom/_locales/en/messages.json
@@ -11,13 +11,9 @@
     "message": "Cancel",
     "description": "Label for general-purpose Cancel buttons"
   },
-  "closePromptClient": {
+  "closePrompt": {
     "message": "Navigating away from this page will end your Chromoting session.",
-    "description": "Message shown when the client tab is closed while a connection is active."
-  },
-  "closePromptHost": {
-    "message": "Navigating away from this page will disconnect the Chromoting viewer.",
-    "description": "Message shown when the host tab is closed while a connection is active."
+    "description": "Message shown when the Chromoting client tab is closed while a connection is active."
   },
   "connectButton": {
     "message": "Connect",