Implement support for accessible collapse and expand actions on Android

content/browser/accessibility/browser_accessibility_manager_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_manager_android.h"
 
 #include <stddef.h>
 
 #include <cmath>
 
@@ skipping 404 matching lines @@
       node->CanScrollForward(),
       node->CanScrollBackward(),
       node->CanScrollUp(),
       node->CanScrollDown(),
       node->CanScrollLeft(),
       node->CanScrollRight(),
       node->IsClickable(),
       node->IsEditableText(),
       node->IsEnabled(),
       node->IsFocusable(),
-      node->IsFocused());
+      node->IsFocused(),
+      node->IsCollapsed(),
+      node->IsExpanded());
   Java_BrowserAccessibilityManager_setAccessibilityNodeInfoClassName(
       env, obj, info,
       base::android::ConvertUTF8ToJavaString(env, node->GetClassName()));
   Java_BrowserAccessibilityManager_setAccessibilityNodeInfoText(
       env, obj, info,
       base::android::ConvertUTF16ToJavaString(env, node->GetText()),
       node->IsLink(), node->IsEditableText());
   base::string16 element_id;
   if (node->GetHtmlAttribute("id", &element_id)) {
     Java_BrowserAccessibilityManager_setAccessibilityNodeInfoViewIdResourceName(
@@ skipping 505 matching lines @@
 
   JNIEnv* env = AttachCurrentThread();
   return root_manager->java_ref().get(env);
 }
 
 bool RegisterBrowserAccessibilityManager(JNIEnv* env) {
   return RegisterNativesImpl(env);
 }
 
 }  // namespace content