Remove more frame-level scrolling machinery.

sky/engine/core/frame/PinchViewport.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 112 matching lines @@
         return FloatRect();
 
     FloatRect viewRect = mainFrame()->view()->visibleContentRect();
     FloatRect pinchRect = visibleRect();
     pinchRect.moveBy(viewRect.location());
     return pinchRect;
 }
 
 void PinchViewport::scrollIntoView(const FloatRect& rect)
 {
-    if (!mainFrame() || !mainFrame()->view())
-        return;
-
-    FrameView* view = mainFrame()->view();
-
-    float centeringOffsetX = (visibleRect().width() - rect.width()) / 2;
-    float centeringOffsetY = (visibleRect().height() - rect.height()) / 2;
-
-    FloatPoint targetOffset(
-        rect.x() - centeringOffsetX - visibleRect().x(),
-        rect.y() - centeringOffsetY - visibleRect().y());
-
-    view->setScrollPosition(flooredIntPoint(targetOffset));
-
-    FloatPoint remainder = FloatPoint(targetOffset - view->scrollPosition());
-    move(remainder);
+    // FIXME(sky): Delete this whole file.
 }
 
 void PinchViewport::setLocation(const FloatPoint& newLocation)
 {
     FloatPoint clampedOffset(clampOffsetToBoundaries(newLocation));
 
     if (clampedOffset == m_offset)
         return;
 
     m_offset = clampedOffset;
@@ skipping 279 matching lines @@
     } else if (graphicsLayer == m_overlayScrollbarVertical.get()) {
         name =  "Overlay Scrollbar Vertical Layer";
     } else {
         ASSERT_NOT_REACHED();
     }
 
     return name;
 }
 
 } // namespace blink