Add VectorIconButton functionality to ImageButton.

ui/views/animation/ink_drop_host_view.h

 // Copyright 2016 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_ANIMATION_INK_DROP_HOST_VIEW_H_
 #define UI_VIEWS_ANIMATION_INK_DROP_HOST_VIEW_H_
 
 #include <memory>
 
 #include "third_party/skia/include/core/SkColor.h"
@@ skipping 40 matching lines @@
   //
   // TODO(bruthig): Add an easier mechanism than overriding functions to allow
   // subclasses/clients to specify the flavor of ink drop.
   void SetInkDropMode(InkDropMode ink_drop_mode);
 
   void set_ink_drop_visible_opacity(float visible_opacity) {
     ink_drop_visible_opacity_ = visible_opacity;
   }
   float ink_drop_visible_opacity() const { return ink_drop_visible_opacity_; }
 
+  // Animates |ink_drop_| to the desired |ink_drop_state|. Caches |event| as the
+  // last_ripple_triggering_event().
+  //
+  // *** NOTE ***: |event| has been plumbed through on a best effort basis for
+  // the purposes of centering ink drop ripples on located Events.  Thus nullptr
+  // has been used by clients who do not have an Event instance available to
+  // them.
+  void AnimateInkDrop(InkDropState state, const ui::LocatedEvent* event);
+
  protected:
   static constexpr int kInkDropSmallCornerRadius = 2;
   static constexpr int kInkDropLargeCornerRadius = 4;
 
   // Size used for the default SquareInkDropRipple.
   static constexpr int kDefaultInkDropSize = 24;
 
   // Returns a large ink drop size based on the |small_size| that works well
   // with the SquareInkDropRipple animation durations.
   static gfx::Size CalculateLargeInkDropSize(const gfx::Size& small_size);
 
   // Returns the default InkDropRipple centered on |center_point|.
   std::unique_ptr<InkDropRipple> CreateDefaultInkDropRipple(
       const gfx::Point& center_point,
       const gfx::Size& size = gfx::Size(kDefaultInkDropSize,
                                         kDefaultInkDropSize)) const;
 
   // Returns the default InkDropHighlight centered on |center_point|.
   std::unique_ptr<InkDropHighlight> CreateDefaultInkDropHighlight(
       const gfx::PointF& center_point,
       const gfx::Size& size = gfx::Size(kDefaultInkDropSize,
                                         kDefaultInkDropSize)) const;
 
   // Returns the point of the |last_ripple_triggering_event_| if it was a
   // LocatedEvent, otherwise the center point of the local bounds is returned.
   gfx::Point GetInkDropCenterBasedOnLastEvent() const;
 
-  // Animates |ink_drop_| to the desired |ink_drop_state|. Caches |event| as the
-  // last_ripple_triggering_event().
-  //
-  // *** NOTE ***: |event| has been plumbed through on a best effort basis for
-  // the purposes of centering ink drop ripples on located Events.  Thus nullptr
-  // has been used by clients who do not have an Event instance available to
-  // them.
-  void AnimateInkDrop(InkDropState state, const ui::LocatedEvent* event);
-
   // View:
   void OnBoundsChanged(const gfx::Rect& previous_bounds) override;
   void VisibilityChanged(View* starting_from, bool is_visible) override;
   void OnFocus() override;
   void OnBlur() override;
   void OnMouseEvent(ui::MouseEvent* event) override;
 
   // Overrideable methods to allow views to provide minor tweaks to the default
   // ink drop.
   virtual SkColor GetInkDropBaseColor() const;
@@ skipping 41 matching lines @@
 
   bool destroying_;
 
   std::unique_ptr<views::InkDropMask> ink_drop_mask_;
 
   DISALLOW_COPY_AND_ASSIGN(InkDropHostView);
 };
 }  // namespace views
 
 #endif  // UI_VIEWS_ANIMATION_INK_DROP_HOST_VIEW_H_