cros: Fixes the text input focus when screen is locked.

chrome/browser/chromeos/login/lock/webui_screen_locker.cc

 // 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.
 
 #include "chrome/browser/chromeos/login/lock/webui_screen_locker.h"
 
 #include "ash/shell.h"
 #include "ash/wm/lock_state_controller.h"
 #include "ash/wm/lock_state_observer.h"
 #include "base/command_line.h"
@@ skipping 68 matching lines @@
 
   ash::Shell::GetInstance()->delegate()->AddVirtualKeyboardStateObserver(this);
 }
 
 void WebUIScreenLocker::LockScreen() {
   gfx::Rect bounds(ash::Shell::GetScreen()->GetPrimaryDisplay().bounds());
 
   lock_time_ = base::TimeTicks::Now();
   LockWindow* lock_window = LockWindow::Create();
   lock_window->set_observer(this);
+  lock_window->set_initially_focused_view(this);
   lock_window_ = lock_window->GetWidget();
   lock_window_->AddObserver(this);
   WebUILoginView::Init();
   lock_window_->SetContentsView(this);
   lock_window_->Show();
   LoadURL(GURL(kLoginURL));
   lock_window->Grab();
 
   login_display_.reset(new WebUILoginDisplay(this));
   login_display_->set_background_bounds(bounds);
@@ skipping 279 matching lines @@
       GetOobeUI()->GetCoreOobeActor()->ShowControlBar(false);
       if (login::LoginScrollIntoViewEnabled())
         GetOobeUI()->GetCoreOobeActor()->SetKeyboardState(true, new_bounds);
     }
   }
 
   keyboard_bounds_ = new_bounds;
 }
 
 }  // namespace chromeos