mac: Remove a spamming error message.

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/message_loop.h"
 #include "base/prefs/pref_service.h"
@@ skipping 581 matching lines @@
 
 void LocationBarViewMac::ShowURL() {
   omnibox_view_->ShowURL();
 }
 
 void LocationBarViewMac::HideURL() {
   omnibox_view_->HideURL();
 }
 
 void LocationBarViewMac::EndOriginChipAnimations(bool cancel_fade) {
-  NOTIMPLEMENTED();
 }
 
 InstantController* LocationBarViewMac::GetInstant() {
   return browser_->instant_controller() ?
       browser_->instant_controller()->instant() : NULL;
 }
 
 WebContents* LocationBarViewMac::GetWebContents() {
   return browser_->tab_strip_model()->GetActiveWebContents();
 }
@@ skipping 152 matching lines @@
 }
 
 bool LocationBarViewMac::UpdateMicSearchDecorationVisibility() {
   bool is_visible = !GetToolbarModel()->input_in_progress() &&
                     browser_->search_model()->voice_search_supported();
   if (mic_search_decoration_->IsVisible() == is_visible)
     return false;
   mic_search_decoration_->SetVisible(is_visible);
   return true;
 }