Less strict checked state changes and introduce disabled state for content

content/browser/accessibility/browser_accessibility_android.cc

 // Copyright 2013 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_android.h"
 
 #include "base/i18n/break_iterator.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/string_util.h"
 #include "base/strings/stringprintf.h"
@@ skipping 177 matching lines @@
 
 bool BrowserAccessibilityAndroid::IsDismissable() const {
   return false;  // No concept of "dismissable" on the web currently.
 }
 
 bool BrowserAccessibilityAndroid::IsEditableText() const {
   return GetRole() == ui::AX_ROLE_TEXT_FIELD;
 }
 
 bool BrowserAccessibilityAndroid::IsEnabled() const {
-  return HasState(ui::AX_STATE_ENABLED);
+  return !HasState(ui::AX_STATE_DISABLED);
 }
 
 bool BrowserAccessibilityAndroid::IsFocusable() const {
   bool focusable = HasState(ui::AX_STATE_FOCUSABLE);
   if (IsIframe() ||
       GetRole() == ui::AX_ROLE_WEB_AREA) {
     focusable = false;
   }
   return focusable;
 }
@@ skipping 1203 matching lines @@
 int BrowserAccessibilityAndroid::CountChildrenWithRole(ui::AXRole role) const {
   int count = 0;
   for (uint32_t i = 0; i < PlatformChildCount(); i++) {
     if (PlatformGetChild(i)->GetRole() == role)
       count++;
   }
   return count;
 }
 
 }  // namespace content