Fixed algorithms that compute bounding rectangles and word start offsets to take into account IA2 h…

content/browser/accessibility/browser_accessibility_cocoa.mm

 // 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 <execinfo.h>
 #include <stddef.h>
 #include <stdint.h>
 
 #import "content/browser/accessibility/browser_accessibility_cocoa.h"
 
@@ skipping 1634 matching lines @@
       @"AXUIElementsForSearchPredicate",
       nil];
 
   if ([[self role] isEqualToString:NSAccessibilityTableRole] ||
       [[self role] isEqualToString:NSAccessibilityGridRole]) {
     [ret addObjectsFromArray:[NSArray arrayWithObjects:
         NSAccessibilityCellForColumnAndRowParameterizedAttribute,
         nil]];
   }
 
-  if (browserAccessibility_->IsEditableText()) {
+  if (browserAccessibility_->HasState(ui::AX_STATE_EDITABLE)) {
     [ret addObjectsFromArray:[NSArray arrayWithObjects:
         NSAccessibilityLineForIndexParameterizedAttribute,
         NSAccessibilityRangeForLineParameterizedAttribute,
         NSAccessibilityStringForRangeParameterizedAttribute,
         NSAccessibilityRangeForPositionParameterizedAttribute,
         NSAccessibilityRangeForIndexParameterizedAttribute,
         NSAccessibilityBoundsForRangeParameterizedAttribute,
         NSAccessibilityRTFForRangeParameterizedAttribute,
         NSAccessibilityAttributedStringForRangeParameterizedAttribute,
         NSAccessibilityStyleRangeForIndexParameterizedAttribute,
@@ skipping 162 matching lines @@
       }
     }
   } else if ([role isEqualToString:NSAccessibilityListRole]) {
     [ret addObjectsFromArray:[NSArray arrayWithObjects:
         NSAccessibilitySelectedChildrenAttribute,
         NSAccessibilityVisibleChildrenAttribute,
         nil]];
   }
 
   // Caret navigation and text selection attributes.
-  if (browserAccessibility_->IsEditableText()) {
+  if (browserAccessibility_->HasState(ui::AX_STATE_EDITABLE)) {
     [ret addObjectsFromArray:[NSArray arrayWithObjects:
         NSAccessibilityInsertionPointLineNumberAttribute,
         NSAccessibilityNumberOfCharactersAttribute,
         NSAccessibilitySelectedTextAttribute,
         NSAccessibilitySelectedTextRangeAttribute,
         NSAccessibilityVisibleCharacterRangeAttribute,
         nil]];
   }
 
   // Add the url attribute only if it has a valid url.
@@ skipping 119 matching lines @@
 
     return GetState(browserAccessibility_, ui::AX_STATE_FOCUSABLE);
   }
 
   if ([attribute isEqualToString:NSAccessibilityValueAttribute]) {
     return browserAccessibility_->GetBoolAttribute(
         ui::AX_ATTR_CAN_SET_VALUE);
   }
 
   if ([attribute isEqualToString:NSAccessibilitySelectedTextRangeAttribute] &&
-      browserAccessibility_->IsEditableText()) {
+      browserAccessibility_->HasState(ui::AX_STATE_EDITABLE)) {
     return YES;
   }
 
   return NO;
 }
 
 // Returns whether or not this object should be ignored in the accessibility
 // tree.
 - (BOOL)accessibilityIsIgnored {
   if (!browserAccessibility_)
@@ skipping 93 matching lines @@
   if (!browserAccessibility_)
     return [super hash];
   return browserAccessibility_->GetId();
 }
 
 - (BOOL)accessibilityShouldUseUniqueId {
   return YES;
 }
 
 @end