Instant: Use only one hidden WebContents per profile.

chrome/browser/ui/cocoa/location_bar/location_bar_view_mac.mm

 // Copyright 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.
 
 #import "chrome/browser/ui/cocoa/location_bar/location_bar_view_mac.h"
 
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/message_loop.h"
 #include "base/prefs/pref_service.h"
@@ skipping 156 matching lines @@
   [FirstRunBubbleController showForView:field_
                                  offset:kOffset
                                 browser:browser_
                                 profile:profile_];
 }
 
 string16 LocationBarViewMac::GetInputString() const {
   return location_input_;
 }
 
-void LocationBarViewMac::SetInstantSuggestion(
-    const InstantSuggestion& suggestion) {
-  omnibox_view_->model()->SetInstantSuggestion(suggestion);
-}
-
 WindowOpenDisposition LocationBarViewMac::GetWindowOpenDisposition() const {
   return disposition_;
 }
 
 content::PageTransition LocationBarViewMac::GetPageTransition() const {
   return transition_;
 }
 
 void LocationBarViewMac::AcceptInput() {
   WindowOpenDisposition disposition =
@@ skipping 592 matching lines @@
   if (!toolbar_model_->GetInputInProgress() &&
       toolbar_model_->WouldReplaceSearchURLWithSearchTerms()) {
     const TemplateURL* template_url =
         TemplateURLServiceFactory::GetForProfile(profile_)->
             GetDefaultSearchProvider();
     if (template_url)
       return template_url->short_name();
   }
   return string16();
 }