[Extension Toolbar] Refactor and finish pop out logic for actions

chrome/browser/ui/cocoa/toolbar/toolbar_controller.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.
 
 #import "chrome/browser/ui/cocoa/toolbar/toolbar_controller.h"
 
 #include <algorithm>
 
 #include "base/mac/bundle_locations.h"
 #include "base/mac/mac_util.h"
@@ skipping 572 matching lines @@
   if (prefName == prefs::kShowHomeButton) {
     [self showOptionalHomeButton];
   }
 }
 
 - (void)createBrowserActionButtons {
   if (!browserActionsController_.get()) {
     browserActionsController_.reset([[BrowserActionsController alloc]
             initWithBrowser:browser_
               containerView:browserActionsContainerView_
-                 isOverflow:NO]);
+             mainController:nil]);
     [[NSNotificationCenter defaultCenter]
         addObserver:self
            selector:@selector(browserActionsContainerWillDrag:)
                name:kBrowserActionGrippyWillDragNotification
              object:browserActionsContainerView_];
     [[NSNotificationCenter defaultCenter]
         addObserver:self
            selector:@selector(browserActionsContainerDragged:)
                name:kBrowserActionGrippyDraggingNotification
              object:browserActionsContainerView_];
@@ skipping 246 matching lines @@
 - (void)hideDropURLsIndicatorInView:(NSView*)view {
   // Do nothing.
 }
 
 // (URLDropTargetController protocol)
 - (BOOL)isUnsupportedDropData:(id<NSDraggingInfo>)info {
   return drag_util::IsUnsupportedDropData(profile_, info);
 }
 
 @end