[Extensions Toolbar] Add a finch config for the redesign

chrome/browser/ui/cocoa/extensions/extension_installed_bubble_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/extensions/extension_installed_bubble_controller.h"
 
 #include "base/i18n/rtl.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/strings/sys_string_conversions.h"
 #include "base/strings/utf_string_conversions.h"
@@ skipping 216 matching lines @@
 
   if (type_ == extension_installed_bubble::kApp) {
     TabStripView* view = [window->cocoa_controller() tabStripView];
     NewTabButton* button = [view getNewTabButton];
     NSRect bounds = [button bounds];
     NSPoint anchor = NSMakePoint(
         NSMidX(bounds),
         NSMaxY(bounds) - extension_installed_bubble::kAppsBubbleArrowOffset);
     arrowPoint = [button convertPoint:anchor toView:nil];
   } else if (type_ == extension_installed_bubble::kBrowserAction ||
-             extensions::FeatureSwitch::extension_action_redesign()->
-                 IsEnabled()) {
+             (extensions::FeatureSwitch::extension_action_redesign()->
+                  IsEnabled() &&
+              type_ != extension_installed_bubble::kBundle)) {
     // If the toolbar redesign is enabled, all bubbles for extensions point to
-    // their toolbar action.
+    // their toolbar action. The exception is for bundles, for which there is no
+    // single associated extension.
     BrowserActionsController* controller =
         [[window->cocoa_controller() toolbarController]
             browserActionsController];
     arrowPoint = [controller popupPointForId:[self extension]->id()];
   } else if (type_ == extension_installed_bubble::kPageAction) {
     LocationBarViewMac* locationBarView =
         [window->cocoa_controller() locationBarBridge];
 
     ExtensionAction* page_action =
         extensions::ExtensionActionManager::Get(browser_->profile())->
@@ skipping 355 matching lines @@
   install_ui->OpenAppInstalledUI([self extension]->id());
 }
 
 - (void)awakeFromNib {
   if (bundle_)
     return;
   [self initializeLabel];
 }
 
 @end