Added tab notification to accessibility_event_router_views.

chrome/browser/ui/views/tabs/tab.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 <limits>
 
 #include "base/command_line.h"
 #include "base/debug/alias.h"
@@ skipping 992 matching lines @@
 
     default:
       break;
   }
   event->SetHandled();
 }
 
 void Tab::GetAccessibleState(ui::AXViewState* state) {
   state->role = ui::AX_ROLE_TAB;
   state->name = data_.title;
+  state->count = controller_->GetTabCount();
+  state->index = controller_->GetModelIndexOfTab(this);
   state->AddStateFlag(ui::AX_STATE_MULTISELECTABLE);
   state->AddStateFlag(ui::AX_STATE_SELECTABLE);
   if (IsSelected())
     state->AddStateFlag(ui::AX_STATE_SELECTED);
 }
 
 ////////////////////////////////////////////////////////////////////////////////
 // Tab, private
 
 void Tab::MaybeAdjustLeftForMiniTab(gfx::Rect* bounds) const {
@@ skipping 626 matching lines @@
                          const gfx::ImageSkia& image) {
   DCHECK_NE(scale_factor, ui::SCALE_FACTOR_NONE);
   ImageCacheEntry entry;
   entry.resource_id = resource_id;
   entry.scale_factor = scale_factor;
   entry.image = image;
   image_cache_->push_front(entry);
   if (image_cache_->size() > kMaxImageCacheSize)
     image_cache_->pop_back();
 }