Reverting the NativeViewHostWin focus refactoring....

chrome/browser/autocomplete/autocomplete_edit_view_mac.mm

 // Copyright (c) 2009 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/autocomplete/autocomplete_edit_view_mac.h"
 
 #include <Carbon/Carbon.h>  // kVK_Return
 
 #include "app/clipboard/clipboard.h"
 #include "app/gfx/font.h"
@@ skipping 533 matching lines @@
   EmphasizeURLComponents();
   controller_->OnChanged();
 
   return something_changed;
 }
 
 gfx::NativeView AutocompleteEditViewMac::GetNativeView() const {
   return field_;
 }
 
-gfx::NativeView AutocompleteEditViewMac::GetFocusNativeView() const {
-  return field_;
-}
-
 void AutocompleteEditViewMac::OnUpOrDownKeyPressed(bool up, bool by_page) {
   // We should only arrive here when the field is focussed.
   DCHECK(IsFirstResponder());
 
   const int count = by_page ? model_->result().size() : 1;
   model_->OnUpOrDownKeyPressed(up ? -count : count);
 }
 
 void AutocompleteEditViewMac::OnEscapeKeyPressed() {
   // We should only arrive here when the field is focussed.
@@ skipping 302 matching lines @@
   // TODO(shess): Figure out where the selection belongs.  On GTK,
   // it's set to the start of the text.
 }
 
 // Signal that we've lost focus when the window resigns key.
 - (void)windowDidResignKey:(NSNotification*)notification {
   edit_view_->OnDidResignKey();
 }
 
 @end