mandoline: Add find in page.

mandoline/ui/desktop_ui/find_bar_view.h

Index: mandoline/ui/desktop_ui/find_bar_view.h
diff --git a/mandoline/ui/desktop_ui/find_bar_view.h b/mandoline/ui/desktop_ui/find_bar_view.h
new file mode 100644
index 0000000000000000000000000000000000000000..5612c1f101ec3ec12942ffd67b43727b143f12b0
--- /dev/null
+++ b/mandoline/ui/desktop_ui/find_bar_view.h
@@ -0,0 +1,55 @@
+// Copyright 2015 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 MANDOLINE_UI_DESKTOP_UI_FIND_BAR_VIEW_H_
+#define MANDOLINE_UI_DESKTOP_UI_FIND_BAR_VIEW_H_
+
+#include "ui/views/view.h"
+#include "ui/views/controls/button/label_button.h"
+#include "ui/views/controls/textfield/textfield_controller.h"
+
+namespace views {
+class BoxLayout;
+class Label;
+class Textfield;
+}
+
+namespace mandoline {
+
+class FindBarDelegate;
+
+// Owns the widgets which show the find bar.
+class FindBarView : public views::View,
+                    public views::TextfieldController,
+                    public views::ButtonListener {
+ public:
+  FindBarView(FindBarDelegate* delegate);
+  ~FindBarView() override;
+
+  void Show();
+  void Hide();
+
+  void SetMatchLabel(int result, int total);
+
+ private:
+  // Overridden from views::TextfieldController:
+  void ContentsChanged(views::Textfield* sender,
+                       const base::string16& new_contents) override;
+
+  // Overridden from views::ButtonListener:
+  void ButtonPressed(views::Button* sender, const ui::Event& event) override;
+
+  FindBarDelegate* delegate_;
+
+  views::BoxLayout* layout_;
+  views::Textfield* text_field_;
+  views::Label* match_count_label_;
+  views::LabelButton* close_button_;
+
+  DISALLOW_COPY_AND_ASSIGN(FindBarView);
+};
+
+}  // namespace mandoline
+
+#endif  // MANDOLINE_UI_DESKTOP_UI_FIND_BAR_VIEW_H_