Add ink drop ripple (but no highlight) to comboboxes in harmony.

ui/views/controls/menu/submenu_view.cc

 // Copyright (c) 2012 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/menu/submenu_view.h"
 
 #include <algorithm>
 
 #include "base/compiler_specific.h"
 #include "ui/accessibility/ax_view_state.h"
@@ skipping 29 matching lines @@
     : parent_menu_item_(parent),
       host_(NULL),
       drop_item_(NULL),
       drop_position_(MenuDelegate::DROP_NONE),
       scroll_view_container_(NULL),
       max_minor_text_width_(0),
       minimum_preferred_width_(0),
       resize_open_menu_(false),
       scroll_animator_(new ScrollAnimator(this)),
       roundoff_error_(0),
-      prefix_selector_(this) {
+      prefix_selector_(this, this) {
   DCHECK(parent);
   // We'll delete ourselves, otherwise the ScrollView would delete us on close.
   set_owned_by_client();
 }
 
 SubmenuView::~SubmenuView() {
   // The menu may not have been closed yet (it will be hidden, but not
   // necessarily closed).
   Close();
 
@@ skipping 448 matching lines @@
   y = std::max(y, 0);
   gfx::Rect new_vis_bounds(x, y, vis_bounds.width(), vis_bounds.height());
   if (new_vis_bounds != vis_bounds) {
     ScrollRectToVisible(new_vis_bounds);
     return true;
   }
   return false;
 }
 
 }  // namespace views