CapsLock indicator is shown in password field when CapsLock is on.

chrome/browser/ui/webui/chromeos/login/signin_screen_handler.h

Index: chrome/browser/ui/webui/chromeos/login/signin_screen_handler.h
diff --git a/chrome/browser/ui/webui/chromeos/login/signin_screen_handler.h b/chrome/browser/ui/webui/chromeos/login/signin_screen_handler.h
index a85bcbb19d2b40dbdafbd1a00681e8137d717985..6d0bcd7e9a3fde400fed91c45745802507fba783 100644
--- a/chrome/browser/ui/webui/chromeos/login/signin_screen_handler.h
+++ b/chrome/browser/ui/webui/chromeos/login/signin_screen_handler.h
@@ -25,6 +25,7 @@
 #include "chrome/browser/ui/webui/chromeos/login/gaia_screen_handler.h"
 #include "chrome/browser/ui/webui/chromeos/login/network_state_informer.h"
 #include "chrome/browser/ui/webui/chromeos/login/oobe_ui.h"
+#include "chromeos/ime/ime_keyboard.h"
 #include "content/public/browser/notification_observer.h"
 #include "content/public/browser/notification_registrar.h"
 #include "content/public/browser/web_ui.h"
@@ -206,7 +207,8 @@ class SigninScreenHandler
       public LoginDisplayWebUIHandler,
       public content::NotificationObserver,
       public ui::EventHandler,
-      public NetworkStateInformer::NetworkStateInformerObserver {
+      public NetworkStateInformer::NetworkStateInformerObserver,
+      public input_method::ImeKeyboard::Observer {
  public:
   SigninScreenHandler(
       const scoped_refptr<NetworkStateInformer>& network_state_informer,
@@ -448,6 +450,9 @@ class SigninScreenHandler
   GaiaScreenHandler::FrameState FrameState() const;
   net::Error FrameError() const;
 
+  // input_method::ImeKeyboard::Observer implementation:
+  virtual void OnCapsLockChanged(bool enabled) OVERRIDE;
+
   // Current UI state of the signin screen.
   UIState ui_state_;