First try at a user management screen for the desktop

chrome/browser/browser_resources.grd

Index: chrome/browser/browser_resources.grd
diff --git a/chrome/browser/browser_resources.grd b/chrome/browser/browser_resources.grd
index 2234ae0a936c5bcaf5a249eb4de759c21497ff82..f1eeba04f648884dc4d7a927fe7cdfd581aa65d9 100644
--- a/chrome/browser/browser_resources.grd
+++ b/chrome/browser/browser_resources.grd
@@ -358,11 +358,14 @@
         <include name="IDR_SET_AS_DEFAULT_BROWSER_JS" file="resources\set_as_default_browser.js" flattenhtml="true" type="BINDATA" />
         <include name="IDR_SET_AS_DEFAULT_BROWSER_HTML" file="resources\set_as_default_browser.html" flattenhtml="true" allowexternalscript="true" type="BINDATA" />
       </if>
+      <if expr="not is_android and not pp_ifdef('ios') and not pp_ifdef('chromeos')">
+        <include name="IDR_USER_CHOOSER_JS" file="resources\user_chooser\user_chooser.js" flattenhtml="true" type="BINDATA" />
+        <include name="IDR_USER_CHOOSER_HTML" file="resources\user_chooser\user_chooser.html" flattenhtml="true" allowexternalscript="true" type="BINDATA" />
+      </if>
       <include name="IDR_MANAGED_MODE_BLOCK_INTERSTITIAL_HTML" file="resources\managed_mode_block_interstitial.html" flattenhtml="true" type="BINDATA" />
       <include name="IDR_PROFILE_SIGNIN_CONFIRMATION_HTML" file="resources\profile_signin_confirmation.html" type="BINDATA" />
       <include name="IDR_PROFILE_SIGNIN_CONFIRMATION_JS" file="resources\profile_signin_confirmation.js" type="BINDATA" />
       <include name="IDR_PROFILE_SIGNIN_CONFIRMATION_CSS" file="resources\profile_signin_confirmation.css" type="BINDATA" />
-
       <include name="IDR_RECENTLY_CLOSED_WINDOW" file="resources\ntp4\images\closed_window.png" type="BINDATA" />
       <if expr="not is_android">
         <include name="IDR_IDENTITY_INTERNALS_HTML" file="resources\identity_internals.html" type="BINDATA" />