Improve apps v2 upgrade UX

remoting/resources/remoting_strings.grd

Index: remoting/resources/remoting_strings.grd
diff --git a/remoting/resources/remoting_strings.grd b/remoting/resources/remoting_strings.grd
index 4dc85e395527262dd34ca51aa41185f54420f2ba..d78d8e3b645a4416f0310238596cc41440e37f50 100644
--- a/remoting/resources/remoting_strings.grd
+++ b/remoting/resources/remoting_strings.grd
@@ -316,6 +316,9 @@
         <message desc="Message displayed to the user if there are no hosts registered to their account, informing them how to set up a host on another computer." name="IDS_HOST_LIST_EMPTY_HOSTING_UNSUPPORTED">
           You have no computers registered. To enable remote connections to a computer, install Chrome Remote Desktop there and click “<ph name="BUTTON_NAME">$1<ex>Enable remote connections</ex></ph>”.
         </message>
+        <message desc="Message displayed to the user if there are no hosts registered to her account.  If the user has previously signed-in to the v1 app with an account other than her profile, she will lose access to all her hosts once they upgrade to the v2 app.  This message informs her to sign in to the chrome with that account and re-install Chromoting." name="IDS_HOST_LIST_EMPTY_V2_MIGRATION">
+          You have previously signed in as <ph name="USER_NAME">$1<ex>John Doe</ex></ph> (<ph name="USER_EMAIL">$2<ex>john.doe@gmail.com</ex></ph>).  To access your computers in that account, <ph name="LINK_BEGIN">$3<ex>&lt;a href="https://support.google.com/chrome/answer/2364824?hl=en"&gt;</ex></ph>sign in to Google Chrome<ph name="LINK_END">$4<ex>&lt;/a&gt;</ex></ph> with that account and re-install Chrome Remote Desktop.
+        </message>
         <message desc="Message displayed next to the checkbox that the user can select to allow crash dump collection and reporting." name="IDS_HOST_SETUP_CRASH_REPORTING_MESSAGE">
           Help us improve Chrome Remote Desktop by allowing us to collect usage statistics and crash reports.
         </message>
@@ -418,6 +421,9 @@
         <message desc="Message displayed to the user if there are no hosts registered to their account, informing them how to set up a host on another computer." name="IDS_HOST_LIST_EMPTY_HOSTING_UNSUPPORTED">
           You have no computers registered. To enable remote connections to a computer, install Chromoting there and click “<ph name="BUTTON_NAME">$1<ex>Enable remote connections</ex></ph>”.
         </message>
+        <message desc="Message displayed to the user if there are no hosts registered to her account.  If the user has previously signed-in to the v1 app with an account other than her profile, she will lose access to all her hosts once they upgrade to the v2 app.  This message informs her to sign in to the chrome with that account and re-install Chromoting." name="IDS_HOST_LIST_EMPTY_V2_MIGRATION">
+          You have previously signed in as <ph name="USER_NAME">$1<ex>John Doe</ex></ph> (<ph name="USER_EMAIL">$2<ex>john.doe@gmail.com</ex></ph>).  To access your computers in that account, <ph name="LINK_BEGIN">$3<ex>&lt;a href="https://support.google.com/chrome/answer/2364824?hl=en"&gt;</ex></ph>sign in to Chromium<ph name="LINK_END">$4<ex>&lt;/a&gt;</ex></ph> with that account and re-install Chromoting.
+        </message>
         <message desc="Message displayed next to the checkbox that the user can select to allow crash dump collection and reporting." name="IDS_HOST_SETUP_CRASH_REPORTING_MESSAGE">
           Help us improve Chromoting by allowing us to collect usage statistics and crash reports.
         </message>