Update dialog close buttons to use vector icons and ripples.

ui/views/controls/button/vector_icon_button.h

Index: ui/views/controls/button/vector_icon_button.h
diff --git a/ui/views/controls/button/vector_icon_button.h b/ui/views/controls/button/vector_icon_button.h
new file mode 100644
index 0000000000000000000000000000000000000000..9e2e3ca0ca38fb66fd1e3fa3ce459c55cbcc38a0
--- /dev/null
+++ b/ui/views/controls/button/vector_icon_button.h
@@ -0,0 +1,53 @@
+// Copyright 2015 The Chromium Authors. All rights reserved.

[sky, 2016/09/07 03:42:18]

2016

[Evan Stade, 2016/09/07 16:17:37]

in my mind this is a file move + rename

+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef UI_VIEWS_CONTROLS_BUTTON_VECTOR_ICON_BUTTON_H_
+#define UI_VIEWS_CONTROLS_BUTTON_VECTOR_ICON_BUTTON_H_
+
+#include <memory>
+
+#include "base/macros.h"
+#include "ui/views/controls/button/image_button.h"
+
+namespace gfx {
+enum class VectorIconId;
+}
+
+namespace views {
+
+// A ButtonListener that also provides a color to use for drawing an icon.
+class VIEWS_EXPORT VectorIconButtonDelegate : public ButtonListener {

[sky, 2016/09/07 03:42:19]

Move to own header as suggested in style guide.

[Evan Stade, 2016/09/07 16:17:37]

Done.

+ public:
+  virtual SkColor GetVectorIconBaseColor() const;
+
+ protected:
+  ~VectorIconButtonDelegate() override {}
+};
+
+// A button that has an image and no text, with the image defined by a vector
+// icon identifier.
+class VIEWS_EXPORT VectorIconButton : public views::ImageButton {
+ public:
+  explicit VectorIconButton(VectorIconButtonDelegate* delegate);
+  ~VectorIconButton() override;
+
+  // Sets the icon to display and provides a callback which should return the
+  // text color from which to derive this icon's color.
+  void SetIcon(gfx::VectorIconId id);
+
+  // views::ImageButton:
+  void OnEnabledChanged() override;
+  void OnThemeChanged() override;
+  void OnNativeThemeChanged(const ui::NativeTheme* theme) override;
+
+ private:
+  VectorIconButtonDelegate* delegate_;
+  gfx::VectorIconId id_;
+
+  DISALLOW_COPY_AND_ASSIGN(VectorIconButton);
+};
+
+}  // namespace views
+
+#endif  // UI_VIEWS_CONTROLS_BUTTON_VECTOR_ICON_BUTTON_H_