Remove getCached* methods from remoting.Identity.

remoting/webapp/crd/js/host_screen.js

Index: remoting/webapp/crd/js/host_screen.js
diff --git a/remoting/webapp/crd/js/host_screen.js b/remoting/webapp/crd/js/host_screen.js
index 183deb7f1884543312d7222909f8c9531ab3cd36..cb3695d0c272ee5445647a09690325cc4f674abb 100644
--- a/remoting/webapp/crd/js/host_screen.js
+++ b/remoting/webapp/crd/js/host_screen.js
@@ -94,10 +94,12 @@ remoting.tryShareWithToken_ = function(hostFacade, token) {
 
   base.debug.assert(hostSession_ === null);
   hostSession_ = new remoting.HostSession();
-  var email = /** @type {string} */ (remoting.identity.getCachedEmail());
-  hostSession_.connect(
-      hostFacade, email, token, onHostStateChanged_,
-      onNatTraversalPolicyChanged_, logDebugInfo_, it2meConnectFailed_);
+  remoting.identity.getEmail().then(
+      function(/** string */ email) {
+        hostSession_.connect(
+            hostFacade, email, token, onHostStateChanged_,
+            onNatTraversalPolicyChanged_, logDebugInfo_, it2meConnectFailed_);
+      });
 };
 
 /**
@@ -336,4 +338,4 @@ function onNatTraversalPolicyChanged_(enabled) {
   }
 }
 
-})();
+})();