[C++11 Allowed Features] Declares a type-safe null pointer converting from NULL to nullptr

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/strings/utf_string_conversions.h"
 #include "content/browser/accessibility/browser_accessibility_manager_android.h"
 #include "content/common/accessibility_messages.h"
 
@@ skipping 189 matching lines @@
 
 bool BrowserAccessibilityAndroid::IsVisibleToUser() const {
   return !HasState(ui::AX_STATE_INVISIBLE);
 }
 
 bool BrowserAccessibilityAndroid::CanOpenPopup() const {
   return HasState(ui::AX_STATE_HASPOPUP);
 }
 
 const char* BrowserAccessibilityAndroid::GetClassName() const {
-  const char* class_name = NULL;
+  const char* class_name = nullptr;
 
   switch(GetRole()) {
     case ui::AX_ROLE_EDITABLE_TEXT:
     case ui::AX_ROLE_SPIN_BUTTON:
     case ui::AX_ROLE_TEXT_AREA:
     case ui::AX_ROLE_TEXT_FIELD:
       class_name = "android.widget.EditText";
       break;
     case ui::AX_ROLE_SLIDER:
       class_name = "android.widget.SeekBar";
@@ skipping 423 matching lines @@
 int BrowserAccessibilityAndroid::CountChildrenWithRole(ui::AXRole role) const {
   int count = 0;
   for (uint32 i = 0; i < PlatformChildCount(); i++) {
     if (PlatformGetChild(i)->GetRole() == role)
       count++;
   }
   return count;
 }
 
 }  // namespace content