Remove FrameView::m_inProgrammaticScroll and related plumbing.

Source/web/WebViewImpl.cpp

 /*
  * Copyright (C) 2011, 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:
  *
  *     * 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 4268 matching lines @@
 
     // FIXME(305811): Refactor for OOPI.
     FrameView* frameView = page()->deprecatedLocalMainFrame()->view();
     if (!frameView)
         return;
 
     ScrollableArea* scrollableArea = frameView->scrollableArea();
     if (scrollableArea->scrollPositionDouble() == scrollPosition)
         return;
 
-    bool oldProgrammaticScroll = frameView->inProgrammaticScroll();
-    frameView->setInProgrammaticScroll(programmaticScroll);
     scrollableArea->notifyScrollPositionChanged(scrollPosition);
-    frameView->setInProgrammaticScroll(oldProgrammaticScroll);
+    if (!programmaticScroll)
+        frameView->setWasScrolledByUser(true);
 }
 
 void WebViewImpl::applyViewportDeltas(
     const WebFloatSize& pinchViewportDelta,
     const WebFloatSize& outerViewportDelta,
     const WebFloatSize& elasticOverscrollDelta,
     float pageScaleDelta,
     float topControlsShownRatioDelta)
 {
     if (!mainFrameImpl())
@@ skipping 164 matching lines @@
     return mainFrameImpl()->frameView()->layoutSize().width() == m_size.width
         || (constraints.minimumScale == constraints.maximumScale && constraints.minimumScale != -1);
 }
 
 void WebViewImpl::forceNextWebGLContextCreationToFail()
 {
     WebGLRenderingContext::forceNextWebGLContextCreationToFail();
 }
 
 } // namespace blink