Make hiding an extension action cause it to go to the overflow menu

chrome/browser/ui/views/toolbar/browser_actions_container.cc

 // Copyright 2013 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.
 
 #include "chrome/browser/ui/views/toolbar/browser_actions_container.h"
 
 #include "base/compiler_specific.h"
 #include "base/stl_util.h"
 #include "chrome/browser/extensions/extension_action_manager.h"
 #include "chrome/browser/extensions/extension_util.h"
@@ skipping 874 matching lines @@
   Layout();
   SchedulePaint();
 }
 
 bool BrowserActionsContainer::ShowExtensionActionPopup(
     const Extension* extension) {
   return ShowPopupForExtension(extension, false, false);
 }
 
 void BrowserActionsContainer::ToolbarVisibleCountChanged() {
+  int old_container_width = container_width_;
   SetContainerWidth();
+  if (old_container_width != container_width_) {
+    SaveDesiredSizeAndAnimate(gfx::Tween::EASE_OUT,
+                              model_->GetVisibleIconCount());
+  }
 }
 
 void BrowserActionsContainer::ToolbarHighlightModeChanged(
     bool is_highlighting) {
   // The visual highlighting is done in OnPaint(). It's a bit of a pain that
   // we delete and recreate everything here, but that's how it's done in
   // BrowserActionMoved(), too. If we want to optimize it, we could move the
   // existing icons, instead of deleting it all.
   DeleteBrowserActionViews();
   CreateBrowserActionViews();
@@ skipping 146 matching lines @@
 
   for (BrowserActionViews::iterator iter = browser_action_views_.begin();
        iter != browser_action_views_.end(); ++iter) {
     BrowserActionView* view = (*iter);
     if (view->extension() == extension)
       return view->view_controller()->ExecuteAction(
           ExtensionPopup::SHOW, grant_tab_permissions);
   }
   return false;
 }