Fix keyword search erroneously not triggering in two obscure cases:

chrome/browser/ui/views/omnibox/omnibox_view_win.cc

 // Copyright (c) 2012 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/ui/views/omnibox/omnibox_view_win.h"
 
 #include <algorithm>
 #include <locale>
 #include <string>
 
@@ skipping 897 matching lines @@
   // sure to not flag cases like selecting part of the text and then pasting
   // (or typing) the prefix of that selection.  (We detect these by making
   // sure the caret, which should be after any insertion, hasn't moved
   // forward of the old selection start.)
   const bool just_deleted_text =
       (text_before_change_.length() > new_text.length()) &&
       (new_sel.cpMin <= std::min(sel_before_change_.cpMin,
                                  sel_before_change_.cpMax));
 
   const bool something_changed = model_->OnAfterPossibleChange(
-      new_text, new_sel.cpMin, new_sel.cpMax, selection_differs,
-      text_differs, just_deleted_text, !IsImeComposing());
+      text_before_change_, new_text, new_sel.cpMin, new_sel.cpMax,
+      selection_differs, text_differs, just_deleted_text, !IsImeComposing());
 
   if (selection_differs)
     controller_->OnSelectionBoundsChanged();
 
   if (something_changed && text_differs)
     TextChanged();
 
   if (text_differs) {
     // Note that a TEXT_CHANGED event implies that the cursor/selection
     // probably changed too, so we don't need to send both.
@@ skipping 1795 matching lines @@
     return omnibox_view;
   }
   return new OmniboxViewWin(controller,
                             toolbar_model,
                             location_bar,
                             command_updater,
                             popup_window_mode,
                             location_bar);
 }
 #endif