[cros] Remove Views implementation for login/OOBE.

chrome/browser/chromeos/login/user_controller_gtk.cc

-// Copyright (c) 2011 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/user_controller.h"
-
-#include "views/widget/native_widget_gtk.h"
-
-using views::NativeWidgetGtk;
-
-namespace chromeos {
-
-namespace {
-
-class ControlsWidget : public NativeWidgetGtk {
- public:
-  ControlsWidget() : NativeWidgetGtk(new views::Widget) {
-  }
-
- private:
-  // NativeWidgetGtk overrides:
-  virtual void OnMap(GtkWidget* widget) OVERRIDE {
-    // For some reason, Controls window never gets first expose event,
-    // which makes WM believe that the login screen is not ready.
-    // This is a workaround to let WM show the login screen. While
-    // this may allow WM to show unpainted window, we haven't seen any
-    // issue (yet). We will not investigate this further because we're
-    // migrating to different implemention (WebUI).
-    UpdateFreezeUpdatesProperty(GTK_WINDOW(GetNativeView()),
-                                false /* remove */);
-  }
-
-  DISALLOW_COPY_AND_ASSIGN(ControlsWidget);
-};
-
-// Widget that notifies window manager about clicking on itself.
-// Doesn't send anything if user is selected.
-class ClickNotifyingWidget : public NativeWidgetGtk {
- public:
-  explicit ClickNotifyingWidget(UserController* controller)
-      : NativeWidgetGtk(new views::Widget),
-        controller_(controller) {
-  }
-
- private:
-  gboolean OnButtonPress(GtkWidget* widget, GdkEventButton* event) {
-    if (!controller_->IsUserSelected())
-      controller_->SelectUserRelative(0);
-
-    return NativeWidgetGtk::OnButtonPress(widget, event);
-  }
-
-  UserController* controller_;
-
-  DISALLOW_COPY_AND_ASSIGN(ClickNotifyingWidget);
-};
-
-views::Widget* InitWidget(
-    views::WidgetDelegate* delegate,
-    views::internal::NativeWidgetPrivate* native_widget_private,
-    const gfx::Rect& bounds) {
-  views::Widget::InitParams params(
-      views::Widget::InitParams::TYPE_WINDOW_FRAMELESS);
-  params.delegate = delegate;
-  params.transparent = true;
-  params.bounds = bounds;
-  params.native_widget = native_widget_private;
-  native_widget_private->GetWidget()->Init(params);
-  GdkWindow* gdk_window =
-      native_widget_private->GetWidget()->GetNativeView()->window;
-  gdk_window_set_back_pixmap(gdk_window, NULL, false);
-  return native_widget_private->GetWidget();
-}
-
-}  // namespace
-
-// static
-views::Widget* UserController::CreateControlsWidget(
-    views::WidgetDelegate* delegate,
-    const gfx::Rect& bounds) {
-  return InitWidget(delegate, new ControlsWidget(), bounds);
-}
-
-// static
-views::Widget* UserController::CreateClickNotifyingWidget(
-    UserController* controller,
-    const gfx::Rect& bounds) {
-  return InitWidget(controller, new ClickNotifyingWidget(controller), bounds);
-}
-
-}  // namespace