Aura overlay scrollbars adjust color for dark backgrounds

third_party/WebKit/Source/platform/scroll/ScrollableAreaTest.cpp

 // 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 "platform/scroll/ScrollableArea.h"
 
 #include "platform/graphics/Color.h"
 #include "platform/graphics/GraphicsLayer.h"
 #include "platform/scroll/ScrollbarTestSuite.h"
 #include "platform/scroll/ScrollbarTheme.h"
@@ skipping 207 matching lines @@
   EXPECT_FALSE(verticalScrollbar->thumbNeedsRepaint());
 
   // Forced GC in order to finalize objects depending on the mock object.
   ThreadState::current()->collectAllGarbage();
 }
 
 TEST_F(ScrollableAreaTest, RecalculatesScrollbarOverlayIfBackgroundChanges) {
   MockScrollableArea* scrollableArea =
       MockScrollableArea::create(ScrollOffset(0, 100));
 
-  EXPECT_EQ(ScrollbarOverlayStyleDefault,
-            scrollableArea->getScrollbarOverlayStyle());
-  scrollableArea->recalculateScrollbarOverlayStyle(Color(34, 85, 51));
-  EXPECT_EQ(ScrollbarOverlayStyleLight,
-            scrollableArea->getScrollbarOverlayStyle());
-  scrollableArea->recalculateScrollbarOverlayStyle(Color(236, 143, 185));
-  EXPECT_EQ(ScrollbarOverlayStyleDefault,
-            scrollableArea->getScrollbarOverlayStyle());
+  EXPECT_EQ(ScrollbarOverlayColorThemeDark,
+            scrollableArea->getScrollbarOverlayColorTheme());
+  scrollableArea->recalculateScrollbarOverlayColorTheme(Color(34, 85, 51));
+  EXPECT_EQ(ScrollbarOverlayColorThemeLight,
+            scrollableArea->getScrollbarOverlayColorTheme());
+  scrollableArea->recalculateScrollbarOverlayColorTheme(Color(236, 143, 185));
+  EXPECT_EQ(ScrollbarOverlayColorThemeDark,
+            scrollableArea->getScrollbarOverlayColorTheme());
 }
 
 }  // namespace blink