Fix accessible bounding box when page is scrolled.

content/browser/accessibility/browser_accessibility.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.h"
 
 #include "base/logging.h"
 #include "base/string_number_conversions.h"
 #include "base/string_util.h"
 #include "content/browser/accessibility/browser_accessibility_manager.h"
@@ skipping 123 matching lines @@
 }
 
 gfx::Rect BrowserAccessibility::GetLocalBoundsRect() {
   gfx::Rect bounds = location_;
 
   // Walk up the parent chain. Every time we encounter a Web Area, offset
   // based on the scroll bars and then offset based on the origin of that
   // nested web area.
   BrowserAccessibility* parent = parent_;
   bool need_to_offset_web_area =
-      (role_ == AccessibilityNodeData::ROLE_WEB_AREA);
+      (role_ == AccessibilityNodeData::ROLE_WEB_AREA ||
+       role_ == AccessibilityNodeData::ROLE_ROOT_WEB_AREA);
   while (parent) {
     if (need_to_offset_web_area &&
         parent->location().width() > 0 &&
         parent->location().height() > 0) {
       bounds.Offset(parent->location().x(), parent->location().y());
       need_to_offset_web_area = false;
     }
-    if (parent->role() == AccessibilityNodeData::ROLE_WEB_AREA) {
+    if (parent->role() == AccessibilityNodeData::ROLE_WEB_AREA ||
+        parent->role() == AccessibilityNodeData::ROLE_ROOT_WEB_AREA) {
       int sx = 0;
       int sy = 0;
       if (parent->GetIntAttribute(AccessibilityNodeData::ATTR_SCROLL_X, &sx) &&
           parent->GetIntAttribute(AccessibilityNodeData::ATTR_SCROLL_Y, &sy)) {
         bounds.Offset(-sx, -sy);
       }
       need_to_offset_web_area = true;
     }
     parent = parent->parent();
   }
@@ skipping 150 matching lines @@
     return name_;
   }
 
   string16 result;
   for (size_t i = 0; i < children_.size(); ++i)
     result += children_[i]->GetTextRecursive();
   return result;
 }
 
 }  // namespace content