Revert "Revert 148383 - Move the keyboard overlay view to ash."

chrome/browser/ui/views/keyboard_overlay_dialog_view.cc

-// Copyright (c) 2012 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/ui/views/keyboard_overlay_dialog_view.h"
-
-#include "base/utf_string_conversions.h"
-#include "chrome/browser/ui/views/keyboard_overlay_delegate.h"
-#include "content/public/browser/browser_context.h"
-#include "grit/generated_resources.h"
-#include "ui/base/l10n/l10n_util.h"
-#include "ui/gfx/screen.h"
-#include "ui/views/widget/widget.h"
-#include "ui/web_dialogs/web_dialog_delegate.h"
-
-#if defined(OS_CHROMEOS)
-#include "chrome/browser/chromeos/input_method/input_method_manager.h"
-#endif
-
-using ui::WebDialogDelegate;
-
-namespace {
-// Store the pointer to the view currently shown.
-KeyboardOverlayDialogView* g_instance = NULL;
-}
-
-KeyboardOverlayDialogView::KeyboardOverlayDialogView(
-    content::BrowserContext* context,
-    WebDialogDelegate* delegate,
-    WebContentsHandler* handler)
-    : views::WebDialogView(context, delegate, handler) {
-}
-
-KeyboardOverlayDialogView::~KeyboardOverlayDialogView() {
-}
-
-void KeyboardOverlayDialogView::ShowDialog(
-    content::BrowserContext* context,
-    WebContentsHandler* handler) {
-  // Ignore the call if another view is already shown.
-  if (g_instance)
-    return;
-
-#if defined(OS_CHROMEOS)
-  // Temporarily disable all accelerators for IME switching including Shift+Alt
-  // since the user might press Shift+Alt to remember an accelerator that starts
-  // with Shift+Alt (e.g. Shift+Alt+Tab for moving focus backwards).
-  chromeos::input_method::InputMethodManager::GetInstance()->DisableHotkeys();
-#endif
-  KeyboardOverlayDelegate* delegate = new KeyboardOverlayDelegate(
-      l10n_util::GetStringUTF16(IDS_KEYBOARD_OVERLAY_TITLE));
-  KeyboardOverlayDialogView* view =
-      new KeyboardOverlayDialogView(context, delegate, handler);
-  delegate->Show(view);
-
-  g_instance = view;
-}
-
-void KeyboardOverlayDialogView::WindowClosing() {
-#if defined(OS_CHROMEOS)
-  // Re-enable the IME accelerators. See the comment in ShowDialog() above.
-  chromeos::input_method::InputMethodManager::GetInstance()->EnableHotkeys();
-#endif
-  g_instance = NULL;
-}