Updates to overrides of InkDropHost::AddInkDropLayer()

chrome/browser/ui/views/toolbar/app_menu_button.cc

 // Copyright 2013 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 "chrome/browser/ui/views/toolbar/app_menu_button.h"
 
 #include "base/location.h"
 #include "base/single_thread_task_runner.h"
 #include "base/thread_task_runner_handle.h"
 #include "base/time/time.h"
@@ skipping 165 matching lines @@
 
   // TODO(estade): find a home for this constant.
   const int kButtonSize = 16;
   SetImage(views::Button::STATE_NORMAL,
            gfx::CreateVectorIcon(gfx::VectorIconId::BROWSER_TOOLS, kButtonSize,
                                  color));
 }
 
 void AppMenuButton::AddInkDropLayer(ui::Layer* ink_drop_layer) {
   SetPaintToLayer(true);
+  SetFillsBoundsOpaquely(false);
   image()->SetPaintToLayer(true);
   image()->SetFillsBoundsOpaquely(false);
 
   layer()->Add(ink_drop_layer);
   layer()->StackAtBottom(ink_drop_layer);
 }
 
 void AppMenuButton::RemoveInkDropLayer(ui::Layer* ink_drop_layer) {
   layer()->Remove(ink_drop_layer);
 
@@ skipping 65 matching lines @@
   return ui::DragDropTypes::DRAG_MOVE;
 }
 
 void AppMenuButton::OnPaint(gfx::Canvas* canvas) {
   views::MenuButton::OnPaint(canvas);
   if (ui::MaterialDesignController::IsModeMaterial())
     return;
   icon_painter_->Paint(canvas, GetThemeProvider(), gfx::Rect(size()),
                        AppMenuIconPainter::BEZEL_NONE);
 }