SetHostConfiguration() and ConfigureHost() are moved from ScreenObserver.

chrome/browser/chromeos/login/screens/host_pairing_screen.h

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CHROME_BROWSER_CHROMEOS_LOGIN_SCREENS_HOST_PAIRING_SCREEN_H_
 #define CHROME_BROWSER_CHROMEOS_LOGIN_SCREENS_HOST_PAIRING_SCREEN_H_
 
 #include "base/macros.h"
 #include "chrome/browser/chromeos/login/screens/base_screen.h"
 #include "chrome/browser/chromeos/login/screens/host_pairing_screen_actor.h"
 #include "components/login/screens/screen_context.h"
 #include "components/pairing/host_pairing_controller.h"
 
 namespace chromeos {
 
 class HostPairingScreen
     : public BaseScreen,
       public pairing_chromeos::HostPairingController::Observer,
       public HostPairingScreenActor::Delegate {
  public:
+  class Delegate {
+   public:
+    virtual ~Delegate() {}
+    virtual void ConfigureHost(bool accepted_eula,
+                               const std::string& lang,
+                               const std::string& timezone,
+                               bool send_reports,
+                               const std::string& keyboard_layout) = 0;
+  };
+
   HostPairingScreen(ScreenObserver* observer, HostPairingScreenActor* actor,
                     pairing_chromeos::HostPairingController* remora_controller);
   virtual ~HostPairingScreen();
 
+  void SetDelegate(Delegate* delegate);

[achuithb, 2014/10/27 18:50:57]

I think passing this into the ctor cuts a few unnecessary lines of code.

+
  private:
   typedef pairing_chromeos::HostPairingController::Stage Stage;
 
   void CommitContextChanges();
 
   // Overridden from BaseScreen:
   virtual void PrepareToShow() override;
   virtual void Show() override;
   virtual void Hide() override;
   virtual std::string GetName() const override;
@@ skipping 12 matching lines @@
 
   // Context for sharing data between C++ and JS.
   // TODO(dzhioev): move to BaseScreen when possible.
   ::login::ScreenContext context_;
 
   HostPairingScreenActor* actor_;
 
   // Controller performing pairing. Owned by the wizard controller.
   pairing_chromeos::HostPairingController* remora_controller_;
 
+  Delegate* delegate_;
+
   // Current stage of pairing process.
   Stage current_stage_;
 
   DISALLOW_COPY_AND_ASSIGN(HostPairingScreen);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_LOGIN_SCREENS_HOST_PAIRING_SCREEN_H_