Attempt 3 at a better touch tabstrip. There is still a bunch to do,

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_
 #pragma once
 
 #include "base/compiler_specific.h"
 #include "chrome/browser/tabs/tab_strip_selection_model.h"
 #include "chrome/browser/ui/views/tabs/tab_strip_controller.h"
 
 class TabStrip;
 
 class FakeBaseTabStripController : public TabStripController {
  public:
   FakeBaseTabStripController();
   virtual ~FakeBaseTabStripController();
 
   void AddTab(int index);
   void RemoveTab(int index);
 
   void set_tab_strip(TabStrip* tab_strip) { tab_strip_ = tab_strip; }
 
   // TabStripController overrides:
   virtual const TabStripSelectionModel& GetSelectionModel() OVERRIDE;
   virtual int GetCount() const OVERRIDE;
   virtual bool IsValidIndex(int index) const OVERRIDE;
   virtual bool IsActiveTab(int index) const OVERRIDE;
+  virtual int GetActiveIndex() const OVERRIDE;
   virtual bool IsTabSelected(int index) const OVERRIDE;
   virtual bool IsTabPinned(int index) const OVERRIDE;
   virtual bool IsTabCloseable(int index) const OVERRIDE;
   virtual bool IsNewTabPage(int index) const OVERRIDE;
   virtual void SelectTab(int index) OVERRIDE;
   virtual void ExtendSelectionTo(int index) OVERRIDE;
   virtual void ToggleSelected(int index) OVERRIDE;
   virtual void AddSelectionFromAnchorTo(int index) OVERRIDE;
   virtual void CloseTab(int index) OVERRIDE;
   virtual void ShowContextMenuForTab(BaseTab* tab,
@@ skipping 13 matching lines @@
   TabStrip* tab_strip_;
 
   int num_tabs_;
 
   TabStripSelectionModel selection_model_;
 
   DISALLOW_COPY_AND_ASSIGN(FakeBaseTabStripController);
 };
 
 #endif  // CHROME_BROWSER_UI_VIEWS_TABS_FAKE_BASE_TAB_STRIP_CONTROLLER_H_