Remove GraphicsLayer::didScroll and directly call ScrollableArea::didScroll

third_party/WebKit/Source/platform/graphics/GraphicsLayerTest.cpp

 /*
  * Copyright (C) 2012 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
  * 2.  Redistributions in binary form must reproduce the above copyright
  *     notice, this list of conditions and the following disclaimer in the
@@ skipping 186 matching lines @@
   RefPtr<WebTaskRunner> getTimerTaskRunner() const final {
     return Platform::current()->currentThread()->scheduler()->timerTaskRunner();
   }
 
   DEFINE_INLINE_VIRTUAL_TRACE() { ScrollableArea::trace(visitor); }
 
  private:
   ScrollOffset m_scrollOffset;
 };
 
-TEST_F(GraphicsLayerTest, applyScrollToScrollableArea) {
-  FakeScrollableArea* scrollableArea = FakeScrollableArea::create();
-  m_graphicsLayer->setScrollableArea(scrollableArea, false);
-
-  WebDoublePoint scrollPosition(7, 9);
-  m_platformLayer->setScrollPositionDouble(scrollPosition);
-  m_graphicsLayer->didScroll();
-
-  EXPECT_FLOAT_EQ(scrollPosition.x, scrollableArea->getScrollOffset().width());
-  EXPECT_FLOAT_EQ(scrollPosition.y, scrollableArea->getScrollOffset().height());
-}
-
 }  // namespace blink