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

chrome/browser/chromeos/login/ui/lock_window_aura.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/ui/lock_window_aura.h"
 
 #include "ash/shell.h"
 #include "ash/shell_window_ids.h"
 #include "ash/wm/window_animations.h"
 #include "base/command_line.h"
@@ skipping 17 matching lines @@
   // callback immediately.
   if (observer_)
     observer_->OnLockWindowReady();
 }
 
 views::Widget* LockWindowAura::GetWidget() {
   return this;
 }
 
 ////////////////////////////////////////////////////////////////////////////////
+// views::WidgetDelegate implementation:
+views::View* LockWindowAura::GetInitiallyFocusedView() {
+  return initially_focused_view_;
+}
+
+const views::Widget* LockWindowAura::GetWidget() const {
+  return this;
+}
+
+////////////////////////////////////////////////////////////////////////////////
 // LockWindowAura private:
 LockWindowAura::LockWindowAura() {
   Init();
 }
 
 LockWindowAura::~LockWindowAura() {
 }
 
 void LockWindowAura::Init() {
   views::Widget::InitParams params(
       views::Widget::InitParams::TYPE_WINDOW_FRAMELESS);
+  params.delegate = this;
   params.show_state = ui::SHOW_STATE_FULLSCREEN;
   params.opacity = views::Widget::InitParams::TRANSLUCENT_WINDOW;
   // TODO(oshima): move the lock screen harness to ash.
   params.parent =
       ash::Shell::GetContainer(ash::Shell::GetPrimaryRootWindow(),
                                ash::kShellWindowId_LockScreenContainer);
   views::Widget::Init(params);
   wm::SetWindowVisibilityAnimationTransition(
       GetNativeView(), wm::ANIMATE_NONE);
 }
 
 }  // namespace chromeos