[Extensions Toolbar] Move some popup logic to be platform-agnostic

chrome/browser/ui/cocoa/extensions/browser_action_test_util_mac.mm

 // Copyright (c) 2009 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/extensions/browser_action_test_util.h"
 
 #include "base/mac/foundation_util.h"
 #include "base/strings/sys_string_conversions.h"
 #include "chrome/browser/ui/browser.h"
 #import "chrome/browser/ui/cocoa/browser_window_cocoa.h"
@@ skipping 122 matching lines @@
 
 bool BrowserActionTestUtil::OverflowedActionButtonWantsToRun() {
   NSView* wrench = [[[BrowserWindowController browserWindowControllerForWindow:
       browser_->window()->GetNativeWindow()] toolbarController] wrenchButton];
   NSButton* wrenchButton = base::mac::ObjCCastStrict<NSButton>(wrench);
   WrenchToolbarButtonCell* cell =
       base::mac::ObjCCastStrict<WrenchToolbarButtonCell>([wrenchButton cell]);
   return [cell overflowedToolbarActionWantsToRun];
 }
 
+ToolbarActionsBar* BrowserActionTestUtil::GetToolbarActionsBar() {
+  return [GetController(browser_, bar_delegate_) toolbarActionsBar];
+}
+
 // static
 gfx::Size BrowserActionTestUtil::GetMinPopupSize() {
   return gfx::Size(NSSizeToCGSize([ExtensionPopupController minPopupSize]));
 }
 
 // static
 gfx::Size BrowserActionTestUtil::GetMaxPopupSize() {
   return gfx::Size(NSSizeToCGSize([ExtensionPopupController maxPopupSize]));
 }