Add ink drop ripple to status tray

ui/views/animation/ink_drop_mask.cc

 // 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.
 
 #include "ui/views/animation/ink_drop_mask.h"
 
 #include "third_party/skia/include/core/SkPaint.h"
 #include "ui/compositor/paint_recorder.h"
 #include "ui/gfx/canvas.h"
 
 namespace views {
 
 // InkDropMask
 
 InkDropMask::InkDropMask(const gfx::Size& layer_size)
     : layer_(ui::LAYER_TEXTURED) {
   layer_.set_delegate(this);
   layer_.SetBounds(gfx::Rect(layer_size));
   layer_.SetFillsBoundsOpaquely(false);
   layer_.set_name("InkDropMaskLayer");
 }
 
 InkDropMask::~InkDropMask() {
   layer_.set_delegate(nullptr);
 }
 
+void InkDropMask::UpdateLayerSize(const gfx::Size& new_layer_size) {
+  layer_.SetBounds(gfx::Rect(new_layer_size));
+}
+
 void InkDropMask::OnDelegatedFrameDamage(const gfx::Rect& damage_rect_in_dip) {}
 
 void InkDropMask::OnDeviceScaleFactorChanged(float device_scale_factor) {}
 
 // RoundRectInkDropMask
 
 RoundRectInkDropMask::RoundRectInkDropMask(const gfx::Size& layer_size,
-                                           const gfx::Rect& mask_bounds,
+                                           const gfx::Insets& mask_insets,
                                            int corner_radius)
     : InkDropMask(layer_size),
-      mask_bounds_(mask_bounds),
+      mask_insets_(mask_insets),
       corner_radius_(corner_radius) {}
 
 void RoundRectInkDropMask::OnPaintLayer(const ui::PaintContext& context) {
   SkPaint paint;
   paint.setAlpha(255);
   paint.setStyle(SkPaint::kFill_Style);
   paint.setAntiAlias(true);
 
   ui::PaintRecorder recorder(context, layer()->size());
-  recorder.canvas()->DrawRoundRect(mask_bounds_, corner_radius_, paint);
+  gfx::Rect bounds = layer()->bounds();
+  bounds.Inset(mask_insets_);
+  recorder.canvas()->DrawRoundRect(bounds, corner_radius_, paint);
 }
 
 // CircleInkDropMask
 
 CircleInkDropMask::CircleInkDropMask(const gfx::Size& layer_size,
                                      const gfx::Point& mask_center,
                                      int mask_radius)
     : InkDropMask(layer_size),
       mask_center_(mask_center),
       mask_radius_(mask_radius) {}
 
 void CircleInkDropMask::OnPaintLayer(const ui::PaintContext& context) {
   SkPaint paint;
   paint.setAlpha(255);
   paint.setStyle(SkPaint::kFill_Style);
   paint.setAntiAlias(true);
 
   ui::PaintRecorder recorder(context, layer()->size());
   recorder.canvas()->DrawCircle(mask_center_, mask_radius_, paint);
 }
 
 }  // namespace views