Add ink drop ripple to overview mode button

ash/common/system/chromeos/ime_menu/ime_menu_tray_unittest.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 "ash/common/system/chromeos/ime_menu/ime_menu_tray.h"
 
 #include "ash/common/accelerators/accelerator_controller.h"
 #include "ash/common/accessibility_delegate.h"
 #include "ash/common/system/chromeos/ime_menu/ime_list_view.h"
 #include "ash/common/system/status_area_widget.h"
@@ skipping 22 matching lines @@
   ~ImeMenuTrayTest() override {}
 
  protected:
   // Returns true if the IME menu tray is visible.
   bool IsVisible() { return GetTray()->visible(); }
 
   // Returns the label text of the tray.
   const base::string16& GetTrayText() { return GetTray()->label_->text(); }
 
   // Returns true if the background color of the tray is active.
-  bool IsTrayBackgroundActive() {
-    return GetTray()->draw_background_as_active();
-  }
+  bool IsTrayBackgroundActive() { return GetTray()->is_active(); }
 
   // Returns true if the IME menu bubble has been shown.
   bool IsBubbleShown() { return GetTray()->IsImeMenuBubbleShown(); }
 
   // Returns true if the IME menu list has been updated with the right IME list.
   bool IsTrayImeListValid(const std::vector<IMEInfo>& expected_imes,
                           const IMEInfo& expected_current_ime) {
     std::map<views::View*, std::string> ime_map =
         GetTray()->ime_list_view_->ime_map_;
     if (ime_map.size() != expected_imes.size())
@@ skipping 221 matching lines @@
   // The virtual keyboard should be enabled.
   EXPECT_TRUE(accessibility_delegate->IsVirtualKeyboardEnabled());
 
   // Hides the keyboard.
   GetTray()->OnKeyboardHidden();
   // The keyboard should still be disabled.
   EXPECT_FALSE(accessibility_delegate->IsVirtualKeyboardEnabled());
 }
 
 }  // namespace ash