ChromeOS: "Add New User" screen should enable all hardware keyboards.

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 2cc7bd5b0ed9e9a82857a9dd142750df5799e8be..265034058379fcd466d1d2ec5a8c8114eb413cb5 100644
--- a/chrome/browser/ui/webui/chromeos/login/signin_screen_handler.h
+++ b/chrome/browser/ui/webui/chromeos/login/signin_screen_handler.h
@@ -28,6 +28,7 @@
 #include "chrome/browser/ui/webui/chromeos/login/oobe_ui.h"
 #include "chrome/browser/ui/webui/chromeos/touch_view_controller_delegate.h"
 #include "chromeos/ime/ime_keyboard.h"
+#include "chromeos/ime/input_method_manager.h"
 #include "chromeos/network/portal_detector/network_portal_detector.h"
 #include "components/user_manager/user_manager.h"
 #include "content/public/browser/notification_observer.h"
@@ -213,7 +214,8 @@ class SigninScreenHandler
       public ScreenlockBridge::LockHandler,
       public NetworkStateInformer::NetworkStateInformerObserver,
       public input_method::ImeKeyboard::Observer,
-      public TouchViewControllerDelegate::Observer {
+      public TouchViewControllerDelegate::Observer,
+      public OobeUI::Observer {
  public:
   SigninScreenHandler(
       const scoped_refptr<NetworkStateInformer>& network_state_informer,
@@ -246,6 +248,15 @@ class SigninScreenHandler
     kiosk_enable_flow_aborted_callback_for_test_ = callback;
   }
 
+  // OobeUI::Observer implemetation.
+  virtual void OnCurrentScreenChanged(OobeUI::Screen current_screen,
+                                      OobeUI::Screen new_screen) OVERRIDE;
+
+  // Returns least used user login input method.
+  std::string GetUserLRUInputMethod(const std::string& username) const;
+
+  void SetFocusPODCallbackForTesting(base::Closure callback);
+
  private:
   enum UIState {
     UI_STATE_UNKNOWN = 0,
@@ -422,8 +433,10 @@ class SigninScreenHandler
 
   bool ShouldLoadGaia() const;
 
-  // Update current input method (namely keyboard layout) to LRU by this user.
-  void SetUserInputMethod(const std::string& username);
+  // Update current input method (namely keyboard layout) in the given IME state
+  // to LRU by this user.
+  void SetUserInputMethod(const std::string& username,
+                          input_method::InputMethodManager::State* ime_state);
 
   // Invoked when auto enrollment check progresses to decide whether to
   // continue kiosk enable flow. Kiosk enable flow is resumed when
@@ -439,6 +452,9 @@ class SigninScreenHandler
   // input_method::ImeKeyboard::Observer implementation:
   virtual void OnCapsLockChanged(bool enabled) OVERRIDE;
 
+  // Returns OobeUI object of NULL.
+  OobeUI* GetOobeUI() const;
+
   // Current UI state of the signin screen.
   UIState ui_state_;
 
@@ -501,6 +517,15 @@ class SigninScreenHandler
   // Whether consumer management enrollment is in progress.
   bool is_enrolling_consumer_management_;
 
+  // Input Method Engine state used at signin screen.
+  scoped_refptr<input_method::InputMethodManager::State> ime_state_;
+
+  // This callback captures "focusPod finished" event for tests.
+  base::Closure test_focus_pod_callback_;
+
+  // True if SigninScreenHandler has already been added to OobeUI observers.
+  bool oobe_ui_observer_added_;
+
   base::WeakPtrFactory<SigninScreenHandler> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(SigninScreenHandler);