Use float for scroll offset.

third_party/WebKit/Source/web/tests/TouchActionTest.cpp

 /*
  * Copyright (C) 2013 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:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 186 matching lines @@
   // Note that JavaScript must be enabled for shadow DOM tests.
   WebView* webView =
       m_webViewHelper.initializeAndLoad(m_baseURL + file, true, 0, &client);
 
   // Set size to enable hit testing, and avoid line wrapping for consistency with browser.
   webView->resize(WebSize(800, 1200));
 
   // Scroll to verify the code properly transforms windows to client co-ords.
   const int kScrollOffset = 100;
   Document* document = static_cast<Document*>(webView->mainFrame()->document());
-  document->frame()->view()->setScrollPosition(IntPoint(0, kScrollOffset),
-                                               ProgrammaticScroll);
+  document->frame()->view()->setScrollOffset(ScrollOffset(0, kScrollOffset),
+                                             ProgrammaticScroll);
 
   return webView;
 }
 
 IntRect windowClipRect(const FrameView& frameView) {
   LayoutRect clipRect(
       LayoutPoint(),
       LayoutSize(frameView.visibleContentSize(ExcludeScrollbars)));
   frameView.layoutViewItem().mapToVisualRectInAncestorSpace(
       &frameView.layoutView()->containerForPaintInvalidation(), clipRect);
@@ skipping 182 matching lines @@
 
 TEST_F(TouchActionTest, ShadowDOM) {
   runShadowDOMTest("touch-action-shadow-dom.html");
 }
 
 TEST_F(TouchActionTest, Pan) {
   runTouchActionTest("touch-action-pan.html");
 }
 
 }  // namespace blink