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

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 <cmath>
 
 #include "base/android/jni_android.h"
 #include "base/android/jni_string.h"
@@ skipping 176 matching lines @@
       break;
   }
 }
 
 jint BrowserAccessibilityManagerAndroid::GetRootId(JNIEnv* env, jobject obj) {
   return static_cast<jint>(GetRoot()->GetId());
 }
 
 jboolean BrowserAccessibilityManagerAndroid::IsNodeValid(
     JNIEnv* env, jobject obj, jint id) {
-  return GetFromID(id) != NULL;
+  return GetFromID(id) != nullptr;
 }
 
 void BrowserAccessibilityManagerAndroid::HitTest(
     JNIEnv* env, jobject obj, jint x, jint y) {
   if (delegate())
     delegate()->AccessibilityHitTest(gfx::Point(x, y));
 }
 
 jboolean BrowserAccessibilityManagerAndroid::PopulateAccessibilityNodeInfo(
     JNIEnv* env, jobject obj, jobject info, jint id) {
@@ skipping 30 matching lines @@
       env, obj, info,
       base::android::ConvertUTF16ToJavaString(env, node->GetText()).obj(),
       node->IsLink());
 
   gfx::Rect absolute_rect = node->GetLocalBoundsRect();
   gfx::Rect parent_relative_rect = absolute_rect;
   if (node->GetParent()) {
     gfx::Rect parent_rect = node->GetParent()->GetLocalBoundsRect();
     parent_relative_rect.Offset(-parent_rect.OffsetFromOrigin());
   }
-  bool is_root = node->GetParent() == NULL;
+  bool is_root = node->GetParent() == nullptr;
   Java_BrowserAccessibilityManager_setAccessibilityNodeInfoLocation(
       env, obj, info,
       id,
       absolute_rect.x(), absolute_rect.y(),
       parent_relative_rect.x(), parent_relative_rect.y(),
       absolute_rect.width(), absolute_rect.height(),
       is_root);
 
   // New KitKat APIs
   Java_BrowserAccessibilityManager_setAccessibilityNodeInfoKitKatAttributes(
@@ skipping 240 matching lines @@
 BrowserAccessibilityManagerAndroid::UseRootScrollOffsetsWhenComputingBounds() {
   // The Java layer handles the root scroll offset.
   return false;
 }
 
 bool RegisterBrowserAccessibilityManager(JNIEnv* env) {
   return RegisterNativesImpl(env);
 }
 
 }  // namespace content