Host process i18n and Linux implementation.

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

 {
   "accessCode": {
     "message": "Access code",
     "description": "Label for the access code entry box"
   },
   "accessCodeTimer": {
     "message": "This access code will expire in",
     "description": "Text preceding the access code timer"
   },
   "cancel": {
     "message": "Cancel",
     "description": "Label for general-purpose Cancel buttons"
   },
   "closePrompt": {
     "message": "Navigating away from this page will end your Chromoting session.",
     "description": "Message shown when the Chromoting client tab is closed while a connection is active."
   },
   "connectButton": {
     "message": "Connect",
     "description": "Label for the connect button"
   },
   "continueButton": {
     "message": "Continue",
     "description": "Label for the continue button on the pre-authorization page"
   },
+  "continuePrompt": {
+    "message": "You are currently sharing this machine with another user. Please confirm that you want to continue sharing.",
+    "description": "Message displayed when the session has lasted longer than five minutes, explaining that the host computer is being shared and asking whether or not the user wants to continue sharing it"
+  },
   "debugButton": {
     "message": "Debug Log",
     "description": "Label for the debug log button"
   },
   "descriptionConnect": {
     "message": "Have the user whose computer you wish to access click ‘Share this computer’ and then have them read their access code to you.",
     "description": "Description for the client app"
   },
   "descriptionShare": {
     "message": "With Chromoting you can easily let another Chrome user see and control your computer.",
     "description": "Description for the host app"
   },
   "disconnectButton": {
     "message": "Disconnect",
     "description": "Label for the disconnect button"
   },
+  "disconnectButtonPlusShortcutLinux": {
+    "message": "Disconnect (Ctrl+Alt+Esc)",
+    "description": "Shortcut for the disconnect action on Linux"
+  },
+  "disconnectButtonPlusShortcutMacOSX": {
+    "message": "Disconnect (⌥⌃⎋)",
+    "description": "Shortcut for the disconnect action on Mac OS X. This probably doesn't need localizing since it is common practise on this platform to refer to the keys involved using symbols."
+  },
+  "disconnectButtonPlusShortcutWindows": {
+    "message": "Disconnect (Ctrl+Alt+Esc)",
+    "description": "Shortcut for the disconnect action on Windows"
+  },
   "errorGeneric": {
     "message": "An error occurred.",
     "description": "Generic error message"
   },
   "errorInvalidAccessCode": {
     "message": "Invalid access code.",
     "description": "Error displayed if an invalid access code is entered"
   },
   "errorMissingPlugin": {
     "message": "The viewer plugin is missing or out-of-date. Please upgrade to a more recent version of Chrome.",
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   },
   "verifyingCode": {
     "message": "Verifying access code…",
     "description": "Message displayed while the access code is verified"
   },
   "webappDescription": {
     "message": "Remote support in Chrome.",
     "description": "Web-app description"
   }
 }