Makes the pinned tab title change indicator hide correctly

chrome/browser/ui/views/tabs/fake_base_tab_strip_controller.h

 // 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.
 
 #ifndef CHROME_BROWSER_UI_VIEWS_TABS_FAKE_BASE_TAB_STRIP_CONTROLLER_H_
 #define CHROME_BROWSER_UI_VIEWS_TABS_FAKE_BASE_TAB_STRIP_CONTROLLER_H_
 
 #include "base/compiler_specific.h"
 #include "base/macros.h"
 #include "chrome/browser/ui/views/tabs/tab_strip_controller.h"
 #include "ui/base/models/list_selection_model.h"
 
 class TabStrip;
 
 class FakeBaseTabStripController : public TabStripController {
  public:
   FakeBaseTabStripController();
   ~FakeBaseTabStripController() override;
 
   void AddTab(int index, bool is_active);
   void AddPinnedTab(int index, bool is_active);
   void RemoveTab(int index);
 
+  ui::ListSelectionModel* selection_model() { return &selection_model_; }
+
   void set_tab_strip(TabStrip* tab_strip) { tab_strip_ = tab_strip; }
 
   // TabStripController overrides:
   const ui::ListSelectionModel& GetSelectionModel() const override;
   int GetCount() const override;
   bool IsValidIndex(int index) const override;
   bool IsActiveTab(int index) const override;
   int GetActiveIndex() const override;
   bool IsTabSelected(int index) const override;
   bool IsTabPinned(int index) const override;
@@ skipping 25 matching lines @@
 
   int num_tabs_;
   int active_index_;
 
   ui::ListSelectionModel selection_model_;
 
   DISALLOW_COPY_AND_ASSIGN(FakeBaseTabStripController);
 };
 
 #endif  // CHROME_BROWSER_UI_VIEWS_TABS_FAKE_BASE_TAB_STRIP_CONTROLLER_H_