Attempted fix for some wheel/touchpad scrolling errors....

chrome/browser/web_contents_view_win.cc

 // Copyright (c) 2006-2008 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.
 
 #include "chrome/browser/web_contents_view_win.h"
 
 #include <windows.h>
 
 #include "chrome/browser/bookmarks/bookmark_drag_data.h"
 #include "chrome/browser/browser.h"
@@ skipping 576 matching lines @@
 
   // Hack for thinkpad touchpad driver.
   // Set fake scrollbars so that we can get scroll messages,
   SCROLLINFO si = {0};
   si.cbSize = sizeof(si);
   si.fMask = SIF_ALL;
 
   si.nMin = 1;
   si.nMax = 100;
   si.nPage = 10;
-  si.nTrackPos = 50;
+  si.nPos = 50;
 
   ::SetScrollInfo(GetHWND(), SB_HORZ, &si, FALSE);
   ::SetScrollInfo(GetHWND(), SB_VERT, &si, FALSE);
 }
 
 LRESULT WebContentsViewWin::OnNCCalcSize(BOOL w_param, LPARAM l_param) {
   // Hack for thinkpad mouse wheel driver. We have set the fake scroll bars
   // to receive scroll messages from thinkpad touchpad driver. Suppress
   // painting of scrollbars by returning 0 size for them.
   return 0;
@@ skipping 68 matching lines @@
   }
   return false;
 }
 
 void WebContentsViewWin::WheelZoom(int distance) {
   if (web_contents_->delegate()) {
     bool zoom_in = distance > 0;
     web_contents_->delegate()->ContentsZoomChange(zoom_in);
   }
 }