Upstream rewrite of Instant.

chrome/browser/ui/cocoa/omnibox/omnibox_view_mac.mm

 // 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/cocoa/omnibox/omnibox_view_mac.h"
 
 #include <Carbon/Carbon.h>  // kVK_Return
 
 #include "base/property_bag.h"
 #include "base/string_util.h"
@@ skipping 855 matching lines @@
   return false;
 }
 
 void OmniboxViewMac::OnSetFocus(bool control_down) {
   model_->OnSetFocus(control_down);
   controller_->OnSetFocus();
 }
 
 void OmniboxViewMac::OnKillFocus() {
   // Tell the model to reset itself.
-  model_->OnWillKillFocus(NULL);
+  model_->OnWillKillFocus();
   model_->OnKillFocus();
   controller_->OnKillFocus();
 }
 
 bool OmniboxViewMac::CanCopy() {
   const NSRange selection = GetSelectedRange();
   return selection.length > 0;
 }
 
 void OmniboxViewMac::CopyToPasteboard(NSPasteboard* pb) {
@@ skipping 154 matching lines @@
 
 void OmniboxViewMac::PlaceCaretAt(NSUInteger pos) {
   DCHECK(pos <= GetTextLength());
   SetSelectedRange(NSMakeRange(pos, pos));
 }
 
 bool OmniboxViewMac::IsCaretAtEnd() const {
   const NSRange selection = GetSelectedRange();
   return selection.length == 0 && selection.location == GetTextLength();
 }