Added tab notification to accessibility_event_router_views.

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

 // 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.
 
 #include "chrome/browser/ui/views/tabs/tab.h"
 
 #include "base/strings/utf_string_conversions.h"
 #include "chrome/browser/ui/views/tabs/tab_controller.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "ui/base/models/list_selection_model.h"
@@ skipping 42 matching lines @@
   virtual Tab* GetTabAt(Tab* tab,
                         const gfx::Point& tab_in_tab_coordinates) OVERRIDE {
     return NULL;
   }
   virtual void OnMouseEventInTab(views::View* source,
                                  const ui::MouseEvent& event) OVERRIDE {}
   virtual bool ShouldPaintTab(const Tab* tab, gfx::Rect* clip) OVERRIDE {
     return true;
   }
   virtual bool IsImmersiveStyle() const OVERRIDE { return immersive_style_; }
+  virtual void UpdateTabAccessibilityState(const Tab* tab,
+                                           ui::AXViewState* state) OVERRIDE{};
 
  private:
   ui::ListSelectionModel selection_model_;
   bool immersive_style_;
   bool active_tab_;
 
   DISALLOW_COPY_AND_ASSIGN(FakeTabController);
 };
 
 class TabTest : public views::ViewsTestBase {
@@ skipping 216 matching lines @@
   tab.Layout();
   gfx::Insets close_button_insets_2 = tab.close_button_->GetInsets();
   EXPECT_EQ(close_button_insets.top(), close_button_insets_2.top());
   EXPECT_EQ(close_button_insets.left(), close_button_insets_2.left());
   EXPECT_EQ(close_button_insets.bottom(), close_button_insets_2.bottom());
   EXPECT_EQ(close_button_insets.right(), close_button_insets_2.right());
 
   // Also make sure the close button is sized as large as the tab.
   EXPECT_EQ(50, tab.close_button_->bounds().height());
 }