Added tab notification to accessibility_event_router_views.

chrome/browser/ui/views/tabs/tab_unittest.cc

Index: chrome/browser/ui/views/tabs/tab_unittest.cc
diff --git a/chrome/browser/ui/views/tabs/tab_unittest.cc b/chrome/browser/ui/views/tabs/tab_unittest.cc
index dc046fc07d19e453ed14296581988fe3ea19fc59..3f033d967541abab7b03ee970046ed43e426141b 100644
--- a/chrome/browser/ui/views/tabs/tab_unittest.cc
+++ b/chrome/browser/ui/views/tabs/tab_unittest.cc
@@ -60,6 +60,8 @@ class FakeTabController : public TabController {
     return true;
   }
   virtual bool IsImmersiveStyle() const OVERRIDE { return immersive_style_; }
+  virtual int GetModelIndexOfTab(const Tab* tab) const OVERRIDE { return 0; }
+  virtual int GetTabCount() const OVERRIDE { return 1; }
 
  private:
   ui::ListSelectionModel selection_model_;