views: don't look for layers in ToggleButtonTest when ripples are disabled

ui/views/controls/button/toggle_button_unittest.cc

 // Copyright (c) 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/controls/button/toggle_button.h"
 
 #include "base/macros.h"
 #include "base/memory/ptr_util.h"
 #include "build/build_config.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "ui/events/event_utils.h"
+#include "ui/views/style/platform_style.h"
 #include "ui/views/test/views_test_base.h"
 
 namespace views {
 
 class TestToggleButton : public ToggleButton {
  public:
   explicit TestToggleButton(int* counter)
       : ToggleButton(nullptr), counter_(counter) {}
   ~TestToggleButton() override {
     // Calling SetInkDropMode() in this subclass allows this class's
@@ skipping 61 matching lines @@
 
 // Starts ink drop animation on a ToggleButton and destroys the button.
 // The test verifies that the ink drop layer is removed properly when the
 // ToggleButton gets destroyed.
 TEST_F(ToggleButtonTest, ToggleButtonDestroyed) {
   EXPECT_EQ(0, counter());
   gfx::Point center(10, 10);
   button()->OnMousePressed(ui::MouseEvent(
       ui::ET_MOUSE_PRESSED, center, center, ui::EventTimeForNow(),
       ui::EF_LEFT_MOUSE_BUTTON, ui::EF_LEFT_MOUSE_BUTTON));
-  EXPECT_EQ(1, counter());
+  // On platforms with no ripples, there should never be an ink drop layer.
+  if (PlatformStyle::kUseRipples)
+    EXPECT_EQ(1, counter());
+  else
+    EXPECT_EQ(0, counter());
   delete button();
   EXPECT_EQ(0, counter());
 }
 
 }  // namespace views