Add hack so VoiceOver speaks updates to injected live regions.

content/browser/accessibility/browser_accessibility_manager.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 "content/browser/accessibility/browser_accessibility_manager.h"
 
 #include "base/logging.h"
 #include "content/browser/accessibility/browser_accessibility.h"
 #include "content/common/accessibility_messages.h"
 
@@ skipping 157 matching lines @@
       return;
     }
 
     // Set focus to the root if it's not anywhere else.
     if (!focus_) {
       SetFocus(tree_->GetRoot(), false);
       should_send_initial_focus = true;
     }
   }
 
+  OnTreeUpdateFinished();
+
   if (should_send_initial_focus &&
       (!delegate_ || delegate_->AccessibilityViewHasFocus())) {
     NotifyAccessibilityEvent(ui::AX_EVENT_FOCUS, GetFromAXNode(focus_));
   }
 
   // Now iterate over the events again and fire the events.
   for (uint32 index = 0; index < params.size(); index++) {
     const AccessibilityHostMsg_EventParams& param = params[index];
 
     // Find the node corresponding to the id that's the target of the
@@ skipping 167 matching lines @@
 
 void BrowserAccessibilityManager::OnNodeCreationFinished(ui::AXNode* node) {
   GetFromAXNode(node)->OnUpdateFinished();
 }
 
 void BrowserAccessibilityManager::OnNodeChangeFinished(ui::AXNode* node) {
   GetFromAXNode(node)->OnUpdateFinished();
 }
 
 }  // namespace content