Run clang-modernize -use-nullptr over src/extensions/.

extensions/browser/api/bluetooth_socket/bluetooth_socket_api.cc

Index: extensions/browser/api/bluetooth_socket/bluetooth_socket_api.cc
diff --git a/extensions/browser/api/bluetooth_socket/bluetooth_socket_api.cc b/extensions/browser/api/bluetooth_socket/bluetooth_socket_api.cc
index 77d19d1a66658057b6a00403e723f56351e20680..32cb30b37e538a6b58d1907b81a92801a8e7737c 100644
--- a/extensions/browser/api/bluetooth_socket/bluetooth_socket_api.cc
+++ b/extensions/browser/api/bluetooth_socket/bluetooth_socket_api.cc
@@ -140,7 +140,7 @@ bool BluetoothSocketAsyncApiFunction::PrePrepare() {
          "If this assertion is failing during a test, then it is likely that "
          "TestExtensionSystem is failing to provide an instance of "
          "ApiResourceManager<BluetoothApiSocket>.";
-  return manager_ != NULL;
+  return manager_ != nullptr;
 }
 
 bool BluetoothSocketAsyncApiFunction::Respond() { return error_.empty(); }
@@ -229,7 +229,8 @@ void BluetoothSocketUpdateFunction::Work() {
 }
 
 BluetoothSocketSetPausedFunction::BluetoothSocketSetPausedFunction()
-    : socket_event_dispatcher_(NULL) {}
+    : socket_event_dispatcher_(nullptr) {
+}
 
 BluetoothSocketSetPausedFunction::~BluetoothSocketSetPausedFunction() {}
 
@@ -238,7 +239,7 @@ bool BluetoothSocketSetPausedFunction::Prepare() {
   EXTENSION_FUNCTION_VALIDATE(params_.get());
 
   socket_event_dispatcher_ = GetSocketEventDispatcher(browser_context());
-  return socket_event_dispatcher_ != NULL;
+  return socket_event_dispatcher_ != nullptr;
 }
 
 void BluetoothSocketSetPausedFunction::Work() {
@@ -268,7 +269,7 @@ bool BluetoothSocketListenFunction::Prepare() {
   if (!CreateParams())
     return false;
   socket_event_dispatcher_ = GetSocketEventDispatcher(browser_context());
-  return socket_event_dispatcher_ != NULL;
+  return socket_event_dispatcher_ != nullptr;
 }
 
 void BluetoothSocketListenFunction::AsyncWorkStart() {
@@ -448,7 +449,7 @@ bool BluetoothSocketAbstractConnectFunction::Prepare() {
   EXTENSION_FUNCTION_VALIDATE(params_.get());
 
   socket_event_dispatcher_ = GetSocketEventDispatcher(browser_context());
-  return socket_event_dispatcher_ != NULL;
+  return socket_event_dispatcher_ != nullptr;
 }
 
 void BluetoothSocketAbstractConnectFunction::AsyncWorkStart() {
@@ -660,7 +661,7 @@ bool BluetoothSocketGetSocketsFunction::Prepare() { return true; }
 void BluetoothSocketGetSocketsFunction::Work() {
   std::vector<linked_ptr<bluetooth_socket::SocketInfo> > socket_infos;
   base::hash_set<int>* resource_ids = GetSocketIds();
-  if (resource_ids != NULL) {
+  if (resource_ids != nullptr) {
     for (base::hash_set<int>::iterator it = resource_ids->begin();
          it != resource_ids->end();
          ++it) {