[Extensions Toolbar] Refactor a few test classes

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

-// Copyright 2014 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/toolbar/test_toolbar_actions_bar_helper.h"
-
-#include "chrome/browser/ui/views/toolbar/browser_actions_container.h"
-#include "ui/views/view.h"
-
-namespace {
-
-// The views-specific implementation of the TestToolbarActionsBarHelper, which
-// creates and owns a BrowserActionsContainer.
-class TestToolbarActionsBarHelperViews : public TestToolbarActionsBarHelper {
- public:
-  TestToolbarActionsBarHelperViews(Browser* browser,
-                                   TestToolbarActionsBarHelperViews* main_bar);
-  ~TestToolbarActionsBarHelperViews() override;
-
- private:
-  // TestToolbarActionsBarHelper:
-  ToolbarActionsBar* GetToolbarActionsBar() override;
-
-  // The parent of the BrowserActionsContainer, which directly owns the
-  // container as part of the views hierarchy.
-  views::View container_parent_;
-
-  // The created BrowserActionsContainer. Owned by |container_parent_|.
-  BrowserActionsContainer* browser_actions_container_;
-
-  DISALLOW_COPY_AND_ASSIGN(TestToolbarActionsBarHelperViews);
-};
-
-TestToolbarActionsBarHelperViews::TestToolbarActionsBarHelperViews(
-    Browser* browser,
-    TestToolbarActionsBarHelperViews* main_bar)
-    : browser_actions_container_(
-          new BrowserActionsContainer(
-              browser,
-              main_bar ? main_bar->browser_actions_container_ : nullptr)) {
-  // The BrowserActionsContainer expects to have a parent (and be added to the
-  // view hierarchy), so wrap it in a shell view.
-  container_parent_.set_owned_by_client();
-  container_parent_.AddChildView(browser_actions_container_);
-}
-
-TestToolbarActionsBarHelperViews::~TestToolbarActionsBarHelperViews() {}
-
-ToolbarActionsBar* TestToolbarActionsBarHelperViews::GetToolbarActionsBar() {
-  return browser_actions_container_->toolbar_actions_bar();
-}
-
-}  // namespace
-
-// static
-scoped_ptr<TestToolbarActionsBarHelper>
-TestToolbarActionsBarHelper::Create(Browser* browser,
-                                    TestToolbarActionsBarHelper* main_bar) {
-  return make_scoped_ptr(new TestToolbarActionsBarHelperViews(
-      browser,
-      static_cast<TestToolbarActionsBarHelperViews*>(main_bar)));
-}