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

content/browser/accessibility/browser_accessibility_manager_win.cc

Index: content/browser/accessibility/browser_accessibility_manager_win.cc
diff --git a/content/browser/accessibility/browser_accessibility_manager_win.cc b/content/browser/accessibility/browser_accessibility_manager_win.cc
index b7424870cea93a3dae7302f5b9dc0662539c9b8e..ebc835d977063b232c261e6dcafad0df89081698 100644
--- a/content/browser/accessibility/browser_accessibility_manager_win.cc
+++ b/content/browser/accessibility/browser_accessibility_manager_win.cc
@@ -33,7 +33,7 @@ BrowserAccessibilityManagerWin::BrowserAccessibilityManagerWin(
     BrowserAccessibilityDelegate* delegate,
     BrowserAccessibilityFactory* factory)
     : BrowserAccessibilityManager(delegate, factory),
-      tracked_scroll_object_(NULL),
+      tracked_scroll_object_(nullptr),
       focus_event_on_root_needed_(false) {
   ui::win::CreateATLModuleIfNeeded();
   Initialize(initial_tree);
@@ -42,7 +42,7 @@ BrowserAccessibilityManagerWin::BrowserAccessibilityManagerWin(
 BrowserAccessibilityManagerWin::~BrowserAccessibilityManagerWin() {
   if (tracked_scroll_object_) {
     tracked_scroll_object_->Release();
-    tracked_scroll_object_ = NULL;
+    tracked_scroll_object_ = nullptr;
   }
 }
 
@@ -63,13 +63,13 @@ ui::AXTreeUpdate BrowserAccessibilityManagerWin::GetEmptyDocument() {
 
 HWND BrowserAccessibilityManagerWin::GetParentHWND() {
   if (!delegate_)
-    return NULL;
+    return nullptr;
   return delegate_->AccessibilityGetAcceleratedWidget();
 }
 
 IAccessible* BrowserAccessibilityManagerWin::GetParentIAccessible() {
   if (!delegate_)
-    return NULL;
+    return nullptr;
   return delegate_->AccessibilityGetNativeViewAccessible();
 }
 
@@ -102,7 +102,7 @@ void BrowserAccessibilityManagerWin::OnNodeWillBeDeleted(ui::AXNode* node) {
       obj->ToBrowserAccessibilityWin()->unique_id_win());
   if (obj == tracked_scroll_object_) {
     tracked_scroll_object_->Release();
-    tracked_scroll_object_ = NULL;
+    tracked_scroll_object_ = nullptr;
   }
 }
 
@@ -258,7 +258,7 @@ void BrowserAccessibilityManagerWin::NotifyAccessibilityEvent(
         IA2_EVENT_VISIBLE_DATA_CHANGED,
         tracked_scroll_object_->ToBrowserAccessibilityWin()->unique_id_win());
     tracked_scroll_object_->Release();
-    tracked_scroll_object_ = NULL;
+    tracked_scroll_object_ = nullptr;
   }
 }
 
@@ -285,7 +285,7 @@ BrowserAccessibilityWin* BrowserAccessibilityManagerWin::GetFromUniqueIdWin(
     if (result)
       return result->ToBrowserAccessibilityWin();
   }
-  return NULL;
+  return nullptr;
 }
 
 }  // namespace content