Exposes datetime attribute.

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>
 
 #import "content/browser/accessibility/browser_accessibility_cocoa.h"
 
 #include <map>
 
@@ skipping 605 matching lines @@
     return nil;
   }
 }
 
 - (id)disclosedRows {
   // The rows that are considered inside this row.
   return nil;
 }
 
 - (NSString*)dropeffect {
-  return NSStringForStringAttribute(
-      browserAccessibility_, ui::AX_ATTR_DROPEFFECT);
+  std::string dropEffect;
+  if (browserAccessibility_->GetHtmlAttribute("aria-dropeffect", &dropEffect))
+    return base::SysUTF8ToNSString(dropEffect);
+
+  return nil;
 }
 
 - (NSNumber*)enabled {
   return [NSNumber numberWithBool:
       GetState(browserAccessibility_, ui::AX_STATE_ENABLED)];
 }
 
 - (NSNumber*)expanded {
   return [NSNumber numberWithBool:
       GetState(browserAccessibility_, ui::AX_STATE_EXPANDED)];
 }
 
 - (NSNumber*)focused {
   BrowserAccessibilityManager* manager = browserAccessibility_->manager();
   NSNumber* ret = [NSNumber numberWithBool:
       manager->GetFocus(NULL) == browserAccessibility_];
   return ret;
 }
 
 - (NSNumber*)grabbed {
-  bool boolValue = browserAccessibility_->GetBoolAttribute(ui::AX_ATTR_GRABBED);
-  return [NSNumber numberWithBool:boolValue];
+  std::string grabbed;
+  if (browserAccessibility_->GetHtmlAttribute("aria-grabbed", &grabbed) &&
+      grabbed == "true")
+    return [NSNumber numberWithBool:YES];
+
+  return [NSNumber numberWithBool:NO];
 }
 
 - (id)header {
   int headerElementId = -1;
   if ([self internalRole] == ui::AX_ROLE_TABLE ||
       [self internalRole] == ui::AX_ROLE_GRID) {
     browserAccessibility_->GetIntAttribute(
         ui::AX_ATTR_TABLE_HEADER_ID, &headerElementId);
   } else if ([self internalRole] == ui::AX_ROLE_COLUMN) {
     browserAccessibility_->GetIntAttribute(
@@ skipping 1117 matching lines @@
         @"AXARIAAtomic",
         nil]];
   }
   if (browserAccessibility_->HasBoolAttribute(
           ui::AX_ATTR_LIVE_BUSY)) {
     [ret addObjectsFromArray:[NSArray arrayWithObjects:
         @"AXARIABusy",
         nil]];
   }
 
-  if (browserAccessibility_->HasStringAttribute(
-          ui::AX_ATTR_DROPEFFECT)) {
+  std::string dropEffect;
+  if (browserAccessibility_->GetHtmlAttribute("aria-dropeffect", &dropEffect)) {
     [ret addObjectsFromArray:[NSArray arrayWithObjects:
         @"AXDropEffects",
         nil]];
   }
 
-  // Add aria-grabbed attribute only if it has true.
-  if (browserAccessibility_->HasBoolAttribute(ui::AX_ATTR_GRABBED)) {
+  std::string grabbed;
+  if (browserAccessibility_->GetHtmlAttribute("aria-grabbed", &grabbed)) {
     [ret addObjectsFromArray:[NSArray arrayWithObjects:
         @"AXGrabbed",
         nil]];
   }
 
   // Add expanded attribute only if it has expanded or collapsed state.
   if (GetState(browserAccessibility_, ui::AX_STATE_EXPANDED) ||
         GetState(browserAccessibility_, ui::AX_STATE_COLLAPSED)) {
     [ret addObjectsFromArray:[NSArray arrayWithObjects:
         NSAccessibilityExpandedAttribute,
@@ skipping 166 matching lines @@
   if (!browserAccessibility_)
     return [super hash];
   return browserAccessibility_->GetId();
 }
 
 - (BOOL)accessibilityShouldUseUniqueId {
   return YES;
 }
 
 @end