Add MD ink drop ripple to app list button

ui/views/controls/button/md_text_button.cc

 // Copyright 2015 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/controls/button/md_text_button.h"
 
 #include "base/i18n/case_conversion.h"
 #include "ui/base/material_design/material_design_controller.h"
 #include "ui/gfx/canvas.h"
 #include "ui/gfx/color_utils.h"
@@ skipping 149 matching lines @@
 }
 
 void MdTextButton::UpdateStyleToIndicateDefaultStatus() {
   UpdateColorsFromNativeTheme();
 }
 
 MdTextButton::MdTextButton(ButtonListener* listener)
     : LabelButton(listener, base::string16()),
       focus_ring_(new MdFocusRing()),
       cta_(false) {
-  SetHasInkDrop(true);
+  SetHasInkDrop(INK_DROP_WITH_GESTURE_HANDLING);
   set_has_ink_drop_action_on_click(true);
   SetHorizontalAlignment(gfx::ALIGN_CENTER);
   SetFocusForPlatform();
   SetMinSize(gfx::Size(kMinWidth, 0));
   SetFocusPainter(nullptr);
   label()->SetAutoColorReadabilityEnabled(false);
   SetFontList(GetMdFontList());
 
   AddChildView(focus_ring_);
   focus_ring_->SetVisible(false);
@@ skipping 39 matching lines @@
            : is_default()
                  ? color_utils::BlendTowardOppositeLuma(text_color, 0xD8)
                  : SK_ColorTRANSPARENT;
   SkColor stroke_color = SkColorSetA(SK_ColorBLACK, 0x1A);
   set_background(Background::CreateBackgroundPainter(
       true, Painter::CreateRoundRectWith1PxBorderPainter(
                 bg_color, stroke_color, kInkDropSmallCornerRadius)));
 }
 
 }  // namespace views