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

extensions/browser/api/bluetooth_low_energy/bluetooth_low_energy_event_router.cc

Index: extensions/browser/api/bluetooth_low_energy/bluetooth_low_energy_event_router.cc
diff --git a/extensions/browser/api/bluetooth_low_energy/bluetooth_low_energy_event_router.cc b/extensions/browser/api/bluetooth_low_energy/bluetooth_low_energy_event_router.cc
index f012ae46bad2c09a8fcda6dfa91d89db38c1b8cb..7571caa9b7e48c5f1f2f43e920311e0db27212ae 100644
--- a/extensions/browser/api/bluetooth_low_energy/bluetooth_low_energy_event_router.cc
+++ b/extensions/browser/api/bluetooth_low_energy/bluetooth_low_energy_event_router.cc
@@ -157,7 +157,7 @@ namespace extensions {
 
 BluetoothLowEnergyEventRouter::BluetoothLowEnergyEventRouter(
     content::BrowserContext* context)
-    : adapter_(NULL), browser_context_(context), weak_ptr_factory_(this) {
+    : adapter_(nullptr), browser_context_(context), weak_ptr_factory_(this) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
   DCHECK(browser_context_);
   VLOG(1) << "Initializing BluetoothLowEnergyEventRouter.";
@@ -174,7 +174,7 @@ BluetoothLowEnergyEventRouter::~BluetoothLowEnergyEventRouter() {
     return;
 
   adapter_->RemoveObserver(this);
-  adapter_ = NULL;
+  adapter_ = nullptr;
 }
 
 bool BluetoothLowEnergyEventRouter::IsBluetoothSupported() const {
@@ -201,7 +201,7 @@ bool BluetoothLowEnergyEventRouter::InitializeAdapterAndInvokeCallback(
 }
 
 bool BluetoothLowEnergyEventRouter::HasAdapter() const {
-  return (adapter_.get() != NULL);
+  return (adapter_.get() != nullptr);
 }
 
 void BluetoothLowEnergyEventRouter::Connect(
@@ -1143,7 +1143,7 @@ BluetoothGattService* BluetoothLowEnergyEventRouter::FindServiceById(
       service_id_to_device_address_.find(instance_id);
   if (iter == service_id_to_device_address_.end()) {
     VLOG(1) << "GATT service identifier unknown: " << instance_id;
-    return NULL;
+    return nullptr;
   }
 
   const std::string& address = iter->second;
@@ -1151,14 +1151,14 @@ BluetoothGattService* BluetoothLowEnergyEventRouter::FindServiceById(
   BluetoothDevice* device = adapter_->GetDevice(address);
   if (!device) {
     VLOG(1) << "Bluetooth device not found: " << address;
-    return NULL;
+    return nullptr;
   }
 
   BluetoothGattService* service = device->GetGattService(instance_id);
   if (!service) {
     VLOG(1) << "GATT service with ID \"" << instance_id
             << "\" not found on device \"" << address << "\"";
-    return NULL;
+    return nullptr;
   }
 
   return service;
@@ -1170,7 +1170,7 @@ BluetoothLowEnergyEventRouter::FindCharacteristicById(
   InstanceIdMap::const_iterator iter = chrc_id_to_service_id_.find(instance_id);
   if (iter == chrc_id_to_service_id_.end()) {
     VLOG(1) << "GATT characteristic identifier unknown: " << instance_id;
-    return NULL;
+    return nullptr;
   }
 
   const std::string& service_id = iter->second;
@@ -1178,7 +1178,7 @@ BluetoothLowEnergyEventRouter::FindCharacteristicById(
   BluetoothGattService* service = FindServiceById(service_id);
   if (!service) {
     VLOG(1) << "Failed to obtain service for characteristic: " << instance_id;
-    return NULL;
+    return nullptr;
   }
 
   BluetoothGattCharacteristic* characteristic =
@@ -1186,7 +1186,7 @@ BluetoothLowEnergyEventRouter::FindCharacteristicById(
   if (!characteristic) {
     VLOG(1) << "GATT characteristic with ID \"" << instance_id
             << "\" not found on service \"" << service_id << "\"";
-    return NULL;
+    return nullptr;
   }
 
   return characteristic;
@@ -1197,7 +1197,7 @@ BluetoothGattDescriptor* BluetoothLowEnergyEventRouter::FindDescriptorById(
   InstanceIdMap::const_iterator iter = desc_id_to_chrc_id_.find(instance_id);
   if (iter == desc_id_to_chrc_id_.end()) {
     VLOG(1) << "GATT descriptor identifier unknown: " << instance_id;
-    return NULL;
+    return nullptr;
   }
 
   const std::string& chrc_id = iter->second;
@@ -1205,14 +1205,14 @@ BluetoothGattDescriptor* BluetoothLowEnergyEventRouter::FindDescriptorById(
   if (!chrc) {
     VLOG(1) << "Failed to obtain characteristic for descriptor: "
             << instance_id;
-    return NULL;
+    return nullptr;
   }
 
   BluetoothGattDescriptor* descriptor = chrc->GetDescriptor(instance_id);
   if (!descriptor) {
     VLOG(1) << "GATT descriptor with ID \"" << instance_id
             << "\" not found on characteristic \"" << chrc_id << "\"";
-    return NULL;
+    return nullptr;
   }
 
   return descriptor;
@@ -1351,7 +1351,7 @@ BluetoothLowEnergyConnection* BluetoothLowEnergyEventRouter::FindConnection(
 
   base::hash_set<int>* connection_ids = manager->GetResourceIds(extension_id);
   if (!connection_ids)
-    return NULL;
+    return nullptr;
 
   for (base::hash_set<int>::const_iterator iter = connection_ids->begin();
        iter != connection_ids->end();
@@ -1365,7 +1365,7 @@ BluetoothLowEnergyConnection* BluetoothLowEnergyEventRouter::FindConnection(
       return conn;
   }
 
-  return NULL;
+  return nullptr;
 }
 
 bool BluetoothLowEnergyEventRouter::RemoveConnection(
@@ -1402,7 +1402,7 @@ BluetoothLowEnergyEventRouter::FindNotifySession(
 
   base::hash_set<int>* ids = manager->GetResourceIds(extension_id);
   if (!ids)
-    return NULL;
+    return nullptr;
 
   for (base::hash_set<int>::const_iterator iter = ids->begin();
        iter != ids->end();
@@ -1417,7 +1417,7 @@ BluetoothLowEnergyEventRouter::FindNotifySession(
       return session;
   }
 
-  return NULL;
+  return nullptr;
 }
 
 bool BluetoothLowEnergyEventRouter::RemoveNotifySession(