Adds a modal dialog implementation of the settings reset prompt.

chrome/browser/ui/views/settings_reset_prompt_dialog.h

Index: chrome/browser/ui/views/settings_reset_prompt_dialog.h
diff --git a/chrome/browser/ui/views/settings_reset_prompt_dialog.h b/chrome/browser/ui/views/settings_reset_prompt_dialog.h
new file mode 100644
index 0000000000000000000000000000000000000000..2eac458811117f725dd4935f5c253a27c21026f2
--- /dev/null
+++ b/chrome/browser/ui/views/settings_reset_prompt_dialog.h
@@ -0,0 +1,78 @@
+// Copyright 2017 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_UI_VIEWS_SETTINGS_RESET_PROMPT_DIALOG_H_
+#define CHROME_BROWSER_UI_VIEWS_SETTINGS_RESET_PROMPT_DIALOG_H_
+
+#include "base/macros.h"
+#include "base/strings/string16.h"
+#include "ui/base/ui_base_types.h"
+#include "ui/gfx/geometry/size.h"
+#include "ui/gfx/image/image_skia.h"
+#include "ui/views/controls/link_listener.h"
+#include "ui/views/window/dialog_delegate.h"
+
+class Browser;
+
+namespace safe_browsing {
+class SettingsResetPromptController;
+}
+
+namespace views {
+class Link;
+class View;
+}
+
+// A dialog intended for prompting users to reset some of their settings to
+// their original default values. The dialog has two sections:
+// 1. Main section with an explanation text
+// 2. An expandable details section containing the details of the reset
+//    operation.
+class SettingsResetPromptDialog : public views::DialogDelegateView,
+                                  public views::LinkListener {
+ public:
+  explicit SettingsResetPromptDialog(
+      safe_browsing::SettingsResetPromptController* controller);
+  ~SettingsResetPromptDialog() override;
+
+  void Show(Browser* browser);
+
+  // views::WidgetDelegate overrides.
+  ui::ModalType GetModalType() const override;
+  bool ShouldShowWindowIcon() const override;
+  gfx::ImageSkia GetWindowIcon() override;
+  base::string16 GetWindowTitle() const override;
+
+  // ui::DialogModel overrides.
+  bool ShouldDefaultButtonBeBlue() const override;
+
+  // views::DialogDelegate overrides.
+  base::string16 GetDialogButtonLabel(ui::DialogButton button) const override;
+  views::View* CreateExtraView() override;
+  bool Accept() override;
+  bool Cancel() override;
+
+  // views::View overrides.
+  gfx::Size GetPreferredSize() const override;
+
+  // views::LinkListener overrides.
+  void LinkClicked(views::Link* source, int event_flags) override;
+
+ private:
+  class ExpandableMessageView;
+
+  int ContentWidth() const;
+
+  Browser* browser_;
+  safe_browsing::SettingsResetPromptController* controller_;
+  bool interaction_done_;
+
+  ExpandableMessageView* details_view_;
+  // The link that expands or hides the details section.
+  views::Link* details_link_;
+
+  DISALLOW_COPY_AND_ASSIGN(SettingsResetPromptDialog);
+};
+
+#endif  // CHROME_BROWSER_UI_VIEWS_SETTINGS_RESET_PROMPT_DIALOG_H_