Reduce SuspendableObjects

third_party/WebKit/Source/modules/webmidi/MIDIPort.cpp

Index: third_party/WebKit/Source/modules/webmidi/MIDIPort.cpp
diff --git a/third_party/WebKit/Source/modules/webmidi/MIDIPort.cpp b/third_party/WebKit/Source/modules/webmidi/MIDIPort.cpp
index e1cfb14a1f518a8bdd00d0d560f0a05a1b523afe..097876b18b46f41d469cafce96c548ec0b9b6394 100644
--- a/third_party/WebKit/Source/modules/webmidi/MIDIPort.cpp
+++ b/third_party/WebKit/Source/modules/webmidi/MIDIPort.cpp
@@ -46,7 +46,7 @@ MIDIPort::MIDIPort(MIDIAccess* access,
                    TypeCode type,
                    const String& version,
                    PortState state)
-    : SuspendableObject(access->getExecutionContext()),
+    : ContextLifecycleObserver(access->getExecutionContext()),
       m_id(id),
       m_manufacturer(manufacturer),
       m_name(name),
@@ -163,7 +163,7 @@ void MIDIPort::contextDestroyed() {
 DEFINE_TRACE(MIDIPort) {
   visitor->trace(m_access);
   EventTargetWithInlineData::trace(visitor);
-  SuspendableObject::trace(visitor);
+  ContextLifecycleObserver::trace(visitor);
 }
 
 DEFINE_TRACE_WRAPPERS(MIDIPort) {