Implement USB connection events through the WebUSB client interface.

Source/modules/webusb/USBConnectionEvent.cpp

Index: Source/modules/webusb/USBConnectionEvent.cpp
diff --git a/Source/modules/webusb/USBConnectionEvent.cpp b/Source/modules/webusb/USBConnectionEvent.cpp
index 517c21ac07b63656a48fe2a9f231f96e78165edb..084f9c54af08b188d157532789cffaa0dfca9125 100644
--- a/Source/modules/webusb/USBConnectionEvent.cpp
+++ b/Source/modules/webusb/USBConnectionEvent.cpp
@@ -10,14 +10,14 @@
 
 namespace blink {
 
-USBConnectionEvent* USBConnectionEvent::create(const AtomicString& type, const USBConnectionEventInit& initializer)
+PassRefPtrWillBeRawPtr<USBConnectionEvent> USBConnectionEvent::create(const AtomicString& type, const USBConnectionEventInit& initializer)
 {
-    return new USBConnectionEvent(type, initializer);
+    return adoptRefWillBeNoop(new USBConnectionEvent(type, initializer));
 }
 
-USBConnectionEvent* USBConnectionEvent::create(const AtomicString& type, USBDevice* device)
+PassRefPtrWillBeRawPtr<USBConnectionEvent> USBConnectionEvent::create(const AtomicString& type, USBDevice* device)
 {
-    return new USBConnectionEvent(type, device);
+    return adoptRefWillBeNoop(new USBConnectionEvent(type, device));
 }
 
 USBConnectionEvent::USBConnectionEvent(const AtomicString& type, const USBConnectionEventInit& initializer)