Create Desktop to iOS Promotion skeleton.

chrome/browser/ui/views/desktop_ios_promotion/desktop_ios_promotion_view.h

+// 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_DESKTOP_IOS_PROMOTION_DESKTOP_IOS_PROMOTION_VIEW_H_
+#define CHROME_BROWSER_UI_VIEWS_DESKTOP_IOS_PROMOTION_DESKTOP_IOS_PROMOTION_VIEW_H_
+
+#include "base/macros.h"
+#include "chrome/browser/ui/desktop_ios_promotion/desktop_ios_promotion_model.h"
+#include "chrome/browser/ui/desktop_ios_promotion/desktop_ios_promotion_util.h"
+#include "ui/views/controls/button/button.h"
+#include "ui/views/view.h"
+
+namespace views {
+class Link;
+}
+
+// The DesktopIOSPromotionView has the basic layout for the
+// desktop to ios promotion view.
+// This view will always be created as a subview of an existing
+// bubble (ie. Password Bubble, Bookmark Bubble).
+class DesktopIOSPromotionView : public views::View,

[sky, 2017/01/04 20:52:37]

Why do you need to subclass View here?

+                                public views::ButtonListener {
+ public:
+  explicit DesktopIOSPromotionView(desktop_ios_promotion::PromotionEntryPoint);
+

[sky, 2017/01/04 20:52:37]

Don't inline destructor.

+ private:
+  int GetDesiredBubbleWidth(
+      desktop_ios_promotion::PromotionEntryPoint entry_point);
+  base::string16 GetPromoBubbleText(
+      desktop_ios_promotion::PromotionEntryPoint entry_point);
+
+  // ButtonListener:
+  void ButtonPressed(views::Button* sender, const ui::Event& event) override;
+
+  views::Button* send_sms_button_ = nullptr;
+  views::Button* no_button_ = nullptr;
+  views::Link* learn_more_link_ = nullptr;
+  DesktopIOSPromotionModel* model_ = nullptr;
+
+  DISALLOW_COPY_AND_ASSIGN(DesktopIOSPromotionView);
+};
+
+#endif  // CHROME_BROWSER_UI_VIEWS_DESKTOP_IOS_PROMOTION_DESKTOP_IOS_PROMOTION_VIEW_H_