mac: Refactor browser_window_controller layout logic.

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 136 matching lines @@
                  base::Unretained(this)));
 
   browser_->search_model()->AddObserver(this);
 
   [[field_ cell] setIsPopupMode:
       !browser->SupportsWindowFeature(Browser::FEATURE_TABSTRIP)];
 
   if (chrome::ShouldDisplayOriginChip())
     origin_chip_decoration_.reset(new OriginChipDecoration(
         this, location_icon_decoration_.get()));
+
+  // Sets images for the decorations, and performs a layout. This call ensures
+  // that this class is in a consistent state after initialization.
+  OnChanged();
 }
 
 LocationBarViewMac::~LocationBarViewMac() {
   // Disconnect from cell in case it outlives us.
   [[field_ cell] clearDecorations];
 
   browser_->search_model()->RemoveObserver(this);
 }
 
 void LocationBarViewMac::ShowFirstRunBubble() {
@@ skipping 594 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;
 }