Add VectorIconButton functionality to ImageButton.

ui/views/controls/button/image_button_factory.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 UI_VIEWS_CONTROLS_BUTTON_IMAGE_BUTTON_FACTORY_H_
+#define UI_VIEWS_CONTROLS_BUTTON_IMAGE_BUTTON_FACTORY_H_
+
+#include "third_party/skia/include/core/SkColor.h"
+#include "ui/views/views_export.h"
+
+namespace gfx {
+struct VectorIcon;
+}
+
+namespace views {
+
+class ButtonListener;
+class ImageButton;
+
+// Creates an ImageButton with an ink drop and a centered image in preparation
+// for applying a vector icon with SetImageFromVectorIcon below.
+VIEWS_EXPORT ImageButton* CreateVectorImageButton(ButtonListener* listener);
+
+// Sets images on |button| for STATE_NORMAL and STATE_DISABLED from the given
+// vector icon and color. |related_text_color| is normally the main text color
+// used in the parent view, and the actual color used is derived from that. Call
+// again to update the button if |related_text_color| is changing.
+VIEWS_EXPORT void SetImageFromVectorIcon(
+    ImageButton* button,
+    const gfx::VectorIcon& icon,
+    SkColor related_text_color = SK_ColorBLACK);
+
+}  // namespace views
+
+#endif  // UI_VIEWS_CONTROLS_BUTTON_IMAGE_BUTTON_FACTORY_H_