Refactor ScrollableArea::setScrollPosition.

third_party/WebKit/Source/platform/scroll/ScrollbarTestSuite.h

 // 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.
 
 #ifndef ScrollbarTestSuite_h
 #define ScrollbarTestSuite_h
 
 #include "platform/heap/GarbageCollected.h"
 #include "platform/scroll/ScrollableArea.h"
 #include "platform/scroll/Scrollbar.h"
@@ skipping 28 matching lines @@
   MOCK_CONST_METHOD0(enclosingScrollableArea, ScrollableArea*());
   MOCK_CONST_METHOD1(visibleContentRect, IntRect(IncludeScrollbarsInRect));
   MOCK_CONST_METHOD0(contentsSize, IntSize());
   MOCK_CONST_METHOD0(scrollableAreaBoundingBox, IntRect());
   MOCK_CONST_METHOD0(layerForHorizontalScrollbar, GraphicsLayer*());
   MOCK_CONST_METHOD0(layerForVerticalScrollbar, GraphicsLayer*());
 
   bool userInputScrollable(ScrollbarOrientation) const override { return true; }
   bool scrollbarsCanBeActive() const override { return true; }
   bool shouldPlaceVerticalScrollbarOnLeft() const override { return false; }
-  void setScrollOffset(const DoublePoint& offset, ScrollType) override {
+  void updateScrollPosition(const DoublePoint& position, ScrollType) override {
     m_scrollPosition =
-        flooredIntPoint(offset).shrunkTo(m_maximumScrollPosition);
+        flooredIntPoint(position).shrunkTo(m_maximumScrollPosition);
   }
   IntPoint scrollPosition() const override { return m_scrollPosition; }
   IntPoint minimumScrollPosition() const override { return IntPoint(); }
   IntPoint maximumScrollPosition() const override {
     return m_maximumScrollPosition;
   }
   int visibleHeight() const override { return 768; }
   int visibleWidth() const override { return 1024; }
   bool scrollAnimatorEnabled() const override { return false; }
   int pageStep(ScrollbarOrientation) const override { return 0; }
@@ skipping 29 matching lines @@
 
   void TearDown() override { m_fakePlatform = nullptr; }
 
  private:
   std::unique_ptr<TestingPlatformSupportWithMockScheduler> m_fakePlatform;
 };
 
 }  // namespace blink
 
 #endif