Mac: Update zoom bubble UI

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 498 matching lines @@
 void LocationBarViewMac::SetActionBoxIcon(int image_id) {
   plus_decoration_->SetTemporaryIcon(image_id);
   OnDecorationsChanged();
 }
 
 void LocationBarViewMac::ZoomChangedForActiveTab(bool can_show_bubble) {
   UpdateZoomDecoration();
   OnDecorationsChanged();
 
   if (can_show_bubble && zoom_decoration_->IsVisible())
-    zoom_decoration_->ShowBubble(YES);
+    zoom_decoration_->ToggleBubble(YES);
 }
 
 NSPoint LocationBarViewMac::GetActionBoxAnchorPoint() const {
   return plus_decoration_->GetActionBoxAnchorPoint();
 }
 
 NSPoint LocationBarViewMac::GetBookmarkBubblePoint() const {
   AutocompleteTextFieldCell* cell = [field_ cell];
   const NSRect frame = [cell frameForDecoration:star_decoration_.get()
                                         inFrame:[field_ bounds]];
@@ skipping 252 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();
 }