Round the corners of bookmark button ink drop effects.

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 96 matching lines @@
 
   // Subclasses can override to return a mask for the ink drop. By default,
   // returns nullptr (i.e no mask).
   virtual std::unique_ptr<views::InkDropMask> CreateInkDropMask() const;
 
   // Provides access to |ink_drop_|. Implements lazy initialization of
   // |ink_drop_| so as to avoid virtual method calls during construction since
   // subclasses should be able to call SetInkDropMode() during construction.
   InkDrop* GetInkDrop();
 
+  // Initializes and sets a mask on |ink_drop_layer|. No-op if
+  // CreateInkDropMask() returns null.
+  void InstallInkDropMask(ui::Layer* ink_drop_layer);
+
+  void ResetInkDropMask();
+
   // Returns an InkDropImpl configured to work well with a
   // flood-fill ink drop ripple.
   std::unique_ptr<InkDropImpl> CreateDefaultFloodFillInkDropImpl();
 
   // Returns an InkDropImpl with default configuration. The base implementation
   // of CreateInkDrop() delegates to this function.
   std::unique_ptr<InkDropImpl> CreateDefaultInkDropImpl();
 
  private:
   class InkDropGestureHandler;
@@ skipping 21 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_