Single pod autofocus disabled for touch view mode. Delegate class created for ash interactions.

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 00804c9542e2c01337f7d9bcee2a88c8fad0b851..4a0fb8498e837637762fe58a16f8f2d9cfbef48d 100644
--- a/chrome/browser/ui/webui/chromeos/login/signin_screen_handler.h
+++ b/chrome/browser/ui/webui/chromeos/login/signin_screen_handler.h
@@ -9,6 +9,7 @@
 #include <set>
 #include <string>
 
+#include "ash/shell_observer.h"

[Nikita (slow), 2014/08/14 15:48:00]

nit: not needeed

[merkulova, 2014/08/14 15:56:02]

Done.

 #include "base/basictypes.h"
 #include "base/callback.h"
 #include "base/compiler_specific.h"
@@ -27,6 +28,7 @@
 #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 "chrome/browser/ui/webui/chromeos/maximize_mode_controller_delegate.h"
 #include "chromeos/ime/ime_keyboard.h"
 #include "chromeos/network/portal_detector/network_portal_detector.h"
 #include "content/public/browser/notification_observer.h"
@@ -211,7 +213,8 @@ class SigninScreenHandler
       public content::NotificationObserver,
       public ScreenlockBridge::LockHandler,
       public NetworkStateInformer::NetworkStateInformerObserver,
-      public input_method::ImeKeyboard::Observer {
+      public input_method::ImeKeyboard::Observer,
+      public MaximizeModeControllerDelegate::Observer {
  public:
   SigninScreenHandler(
       const scoped_refptr<NetworkStateInformer>& network_state_informer,
@@ -324,6 +327,10 @@ class SigninScreenHandler
       const std::string& username) const OVERRIDE;
   virtual void Unlock(const std::string& user_email) OVERRIDE;
 
+  // MaximizeModeControllerDelegate::Observer implementation:
+  virtual void OnMaximizeModeStarted() OVERRIDE;
+  virtual void OnMaximizeModeEnded() OVERRIDE;
+
   // Updates authentication extension. Called when device settings that affect
   // sign-in (allow BWSI and allow whitelist) are changed.
   void UserSettingsChanged();
@@ -486,6 +493,9 @@ class SigninScreenHandler
   // Helper that retrieves the authenticated user's e-mail address.
   scoped_ptr<AuthenticatedUserEmailRetriever> email_retriever_;
 
+  // Maximized mode controller delegate.
+  scoped_ptr<MaximizeModeControllerDelegate> max_mode_delegate_;
+
   // Whether consumer management enrollment is in progress.
   bool is_enrolling_consumer_management_;